Dec 4, 2012. Jump to Latest Follow . lbs of tq. I personally would stay away from the harley kits and go with Fuelmoto or Frank (dragos bike works) Tested proven kits with tons of dyno time. They are making 100 hp out of intake, exhaust and their tune. I guess thats the whole reason for the post. Know what compression are you running. 2023 Harley-Davidson Softail Motorcycle I know you said you've got it tuned but have you had that bike dyno'd? Make sure that everything connected to the engine is in the proper position. The cookie is used to store the user consent for the cookies in the category "Analytics". I have narrowed my build down to two choices. The solution that these Youtubers did is by installing rocker lockers with sleeves that or locked up the shafts, so they will not make excessive noise. My question is, how big of a difference would the 103 vs 107 be with the head work? Within the 150,000 miles achievement, there will be a time that you need to replace the comp, but overall, everything is good if you take care of the bike properly. I did the same as u but added the 255's and it made a 93hp and 109tq tuned conservatively And I am not sure I shouldve spent the money for the latest changes going to stage IV kit with new SE everything above the case and 259E cams, cnc heads, 58mm throttle body, forged pistons, upgraded roller bearings, barrels, AIM VPC kit, and a few other parts and seals/gaskets. However, some people say that they only do minimal maintenance within the 80,000 miles to 100,00 miles. Needless to say, Harley has never disappointed us with its updates. Select your preference now. Here is the list of the cams tested in this shootout: Each of the camshafts in our test offered measurable performance increases over the stock camshafts and each set of cams has a bit of its own personality. I'm looking to purchase a Street Glide in the (hopefully) near future. The only bike I've ever owned or rode was a 2004 Harley Davidson 883 up until this past weekend when I rented a 2020 Street Glide Standard. New Engine Styling: The Milwaukee-Eight exhibits sleek, modern styling that respects the heritage of previous Harley-Davidson Big Twin engines. When it comes to speed, this engine can go up to 100 to 120 mph. The Fuel Moto kit has woods lifters in it which adds to the cost, plus the woods cams are more expensive than the andrews cams. I'm past 1000 miles and I feel the power changes, but the only time I get to really get close to the old set up is nearly 4500 RPM where the 259E is getting into it's power zone and the 255's were outta breath. The price of the 103 engine today is $1,899 without any professional fee for installation. You can see the solution in the middle part of the article. Not an aggressive rider but want that extra down low when riding alone or two up. 96 feels quite poochy compared to the 103. Unlike the other Harley Davidson engines, the 103 engines have only minimal issues that can solve quickly with proper guidance. If you came from the lower engine, of course, you would get better performance. Harley also announced the 2017 models today. Both engines have more power to accelerate faster, which helps to stay on the road. This is a great all around camshaft with solid low end performance and mind blowing mid and top end power.. Upgrade your 110 cubic inch Original Equipment cylinder head to a fast Equipment cylinder head for optimal torque and performance- Harley 110 stage 4 will cost $2169.95. It would also be nice to have it SOUND like a Harley too! Harley Davidson 103 engine, also known as the Twin Cam, is an engine made by Harley Davidson from 1998 to 2017. Harley Davidson is not cheap, and its parts as well. Fuel Motos take: Its a makes wide power with measurable overall gains, very linear power curve. (bore/hone) you can have a 103". Same cams for either of these, or does the 107 take a little more cam for the same purpose . The bike was tuned by FM, and I think that's important. Mechanical noise is drastically reduced by one camshaft, lighter valves, improved cover designs, and also upgraded driveline components. I want my power between 2000 and 4500 RPM's. However, repairing it can cost you money if you do not maintain it properly. With an increased displacement, the Milwaukee-Eight is a better alternative to the Twin Cam 103 or 110. Fat Bob: Which One Make You Stylish, Harley Stage 3 vs. Fuel Motos take: these cams build big power early, designed for max power in the low RPMs. It feels like the 107 is a bit snappier. There are some things that you need to consider when you experience this problem. For someone who wants all the power down low is the 107 kit worth the additional $ for the headwork or would there be hardly any difference to justify the expense. I blame lower compression and sissified cam specs due to the wonderful EPA. 101hp, 101ft. Make sure that it tightens to 14 to 21-foot lbs. This is another thing that you might want to check because if it got worse, you would need a professional to fix it. Idle speed is lowered from 1000 to 850 rpm. 9 03. 15518 Views 16 Replies 11 Participants Last post by splitting_lanes, . What Feuling says: designed to increase torque band width and increase fuel economy,Produces strong low and mid range power with a linear horsepower and torque curve. Very responsive in the 3000-4500 RPM range, What Fueling says: Wicked power band for modified engines and an excellent bolt in for stock 96, 103, & 110 engines. Harley Davidson released it in the year 2012 after the Twin Cam 96. I'm just looking to get some advice from people who actually know what the hell they're talking about. As we mentioned, the compression ratio is 9.2:1 and 9.6:1 for the Harley 96 and 103, respectively. Click on the link for more information: http://www.tallahasseeharley.com/rent-a-harley-with-us--rentals We also offer motorcycle-riding classes at all our locations in Brandon, New Port Richey and Panama City Beach . Shovelhead. Heat Management: The Milwaukee-Eight offers improved rider and passenger thermal comfort due to reduced heat absorption, increased heat rejection and a redesigned exhaust system. Am I asking too much? This feature improves the engine fuel of the 103 engines. It affects most of the bikes released from 2007 to 2012. Are there any known issues that this engine has? Not only is the Fat Bob arguably one of the best Harley-Davidsons ever built, but from a starting price of roughly $25,000, used ones in pristine shape go for $10,000-$11,000. At idle, a 75% reduction in vibration is provided by an internal counterbalancer. Regardless of which engine you choose, the Milwaukee-Eight provides improved cooling compared to other engines, so you can ride cooler. The cookie is used to store the user consent for the cookies in the category "Other. Cutaway of the Milwaukee-Eight 107, which Harley-Davidson says offers faster throttle response, more torque, better sound, improved fuel economy and a smoother ride than the Twin Cam 103. The environmental protection agency (EPA) confirmed the 9th generation two upgraded engines a 107ci (1746cc), and a 114ci (1868cc) as well. [], If youre the sort of Harley-Davidson owner who wants everything customized and tweaked in the looks department, chances are youre []. As a result, this engine became the standard engine of Softail and touring models. A new knock sensor for each cylinder enables more-precise timing control. Improved Fit: A new, slimmer primary drive cover and the low-profile shape of the air cleaner cover provide improved rider legroom around the engine and an easier reach to the ground for many riders. It does not store any personal data. To avoid wasting money because of being careless when it comes to taking care of your bike, maybe now is the time to focus on maintaining it. One of the essential things that you need to check when maintaining your bike is checking the brake. I've had a 07 with a 96 and now have an 08 with a 103. Improved drivetrain components, including a single camshaft, lighter valves, improved cover designs, and reduced powertrain noise. A new motor will offer riders quicker acceleration off the line (about 8-11 percent faster at 0-60 mph) and during top gear (around 11-12 percent faster at 60-80 mph). There are only four valves in Harley 103 whereas Harley 107 has eight (twice in number). Sep 8, 2009 (Edited) 117 is WORTH IT! The bike will not be starting if some connections are not in proper contact. Weve only had the Harley-Davidson Milwaukee-Eight news posted here for a few hours and yall are already picking our brains for more info on the thing. The Milwaukee-Eight 114 accelerates 8 percent quicker 0-60 and 12 percent quicker 60-80 than the Twin Cam 110. However, 0-60 mph acceleration is 8 percent faster on the Milwaukee-Eight 114, 60-80 mph . First, start draining by starting the drain plug and snug it. After putting 400 miles on the Street Glide it became clear to me that I can't settle for anything less. 100/100 is super easy on a 103"er,105/110 is also very easy and still be a VERY reliable & ride.getting into the 110+ isnt a big deal,but gets into some issues that most riders dont want to deal with.my suggestions: Just read an article in Hot Bike, about the 103, they recommend a couple of things if you want to get more gitty up, cams were high on the list. You mention numbers a few times. He wont honor the warranty with the headwork. Each rider will get different numbers for their own motorcycle due to accessories, riding style, type and formulation of gas which varies from each city. Harley Davidson is one of the most iconic motorcycle brands in the world, and they offer a wide range of powerful engines to choose from. However, its more powerful and uses sixth gear that gives smooth driving, especially on highways. Harley has also confirmed that each head will have 4 valves, hence the name Eight (Milwaukee stands for the obvious): Millions of miles and countless hours of testing have proven this system. These cookies ensure basic functionalities and security features of the website, anonymously. 551 cams are not recommended for compression ratios of 10:1 or greater. Knucklehead. However, the 103 engine comes with an oil cooler. Any insight is appreciated. What S&S says: this cam makes horsepower and torque that you can feel all the way through the rpm range, making the most power right where you need it:15005000 rpm, Fuel Motos take: fantastic early torque with broad power, very quick in the low-mid RPMs. As a result, the new Milwaukee-Eight is mechanically quieter, enabling a richer exhaust tone, and meets global noise and emissions standards while allowing the unmistakable rumble of its exhaust note to resonate. I'm not going to pretend I know what it means when I read about how well the new street glide's engine is counter balanced. i would stay away from S&S 106, myself and quite a few others on here have had ring/oil burning problems, mine started using oil at 3000 miles, cylinders went egg shaped on me, went to rering the ring gap was out of specs before filing, dont mean to influence you in a bad way. These cookies will be stored in your browser only with your consent. Little Chute, WI 54140, Fuel Moto 110ci Drop On Big Bore Twin Cam Models, Fuel Moto 113ci CVO Big Bore Twin Cam Models, Fuel Moto 120-124ci Big Bore Twin Cam Models, Fuel Moto 124ci Street Outlaw Twin Cam Crate Engine, Harley-Davidson 110ci CVO / S Twin Cam Models. I'll have the heads done regardless but I was considering staying with the 103 to stay on the safe side as far as reliability. Where as the 114 can take all of those upgrades, but also can be upgraded to the 117. Milwaukee-Eight engines will be offered in two displacements and three variations: Milwaukee-Eight 107 (107 CID, 1750cc) featuring precision oil-cooled cylinder heads for the Street Glide/Street Glide Special, Road Glide/Road Glide . Improved Economy: Efficiency gained in Milwaukee-Eight air flow and combustion, including the use of dual spark plugs per cylinder, delivers to up to 11 percent better fuel economy, depending on displacement and model, and a corresponding increase in range. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Ill have the heads done regardless but I was considering staying with the 103 to stay on the safe side as far as reliability. Thanks. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. This feature started in 2006, and until now, Harley Davidson has this for better engine performance. This engine replaces the one in touring models, Milwaukee-8 engines produce 10 percent more torque. By reducing heat absorption, increasing heat rejection, and redesigning the exhaust system, the Milwaukee-8 engine offers enhanced rider and passenger thermal comfort. One small mistake can damage the engine and other parts of your bike. Big numbers on both sides. New Milwaukee-Eight engines will power every 2017 Harley-Davidson Touring and Trike motorcycle model. 7 01. getting ready to put in roller rockers, doing it this fall so if i hadto wait to change to 106 nows the time. When your bike reaches 5000 some things that you need to check. Overall, the Harley Davidson 103 engine is powerful and worthy. Fat Bobs and Fat Boys are the classic, Read More Harley Fat Bob vs. The other difference to consider is the 107 can only be bored up to 114. and all the upgrades for the 107 are based on the 114 Kit. Even though there are many potential problems with the 103 engines, these are all just potential problems, and maybe not all of you will experience this problem. Harley has been one of the best motorbike, Read More Best Shocks for Harley Street Glide: (Top 5 Picks In 2022)Continue, As an Amazon Associate, I earn from qualifying purchases. Fuel Motos take: hot rod cam thats a bit soft on the bottom with stock compression, comes on strong at 3000 RPM and runs to the upper RPMs well. 10 Key Differences Between Harleys Milwaukee-8 & Twin Cam, Harley-Davidson Milwaukee-Eight news posted here. The oil cooler decreases the chance of overheating; that is why it is always essential to have an engine with an oil cooler. As an Amazon Associate, I earn from qualifying purchases. Funding this build isnt an issue but I dont want to have to worry about grenading the bottom end or run into issues a year or two down the road. Scan this QR code to download the app now. I saw a dyno comparison somewhere and the 555 cam was stronger from 3000 rpm up vs the 54 cam so that might be worth the extra $$. A lot of bikers still prefer to use this because of its reliability. Either wayI want more. I compare it to the back of an Olympic swimmer, lean in the waist but broad and muscular in the shoulders.. By adding knock sensors to each cylinder, the timing can be controlled more precisely. Compared to the Twin Cam High Output 103, the Milwaukee Eight 107 accelerates faster from 0-60 mph by 11 percent. In my bit of research it seems the consensus is its slightly noticeable (I believe HD says its 10% more torque) but not a reason to pick one over the other. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The solution would be installing an electric compression. It is also stronger, smoother, and more durable. The annual maintenance for a Harley Davidson can cost from $200 up to $450, but it can cost more than what you think if you do not take care of your bike. This cookie is set by GDPR Cookie Consent plugin. Electronic Sequential Port Fuel Injection. When it comes to speed, this engine can go up to 100 to 120 mph. Harley-Davidson, one of the most popular motorcycle brands, recently announced a new 107 ci and 114 ci engine known as the Milwaukee-Eight. New Milwaukee-Eight engines will power every 2017 Harley-Davidson Touring and Trike motorcycle model. The Fora platform includes forum software by XenForo. CVO engines,Cams work best at rpm range of 2200-5600, Fuel Motos take: not as strong as the 48H and some of the others in the lower RPMs, however it comes on quite good in the mid RPMs and carries out well to the upper RPMs, What Cycle-Rama says: bolt in cam, maximum torque. There's a difference in the lubrication systems as the . Still maintains reasonable low RPM performance. Great cam for those what want strong early power. The Milwaukee-Eight 114 accelerates 8 percent quicker 0-60 and 12 percent quicker 60-80 than the Twin Cam 110. What Cycle-Rama says: bolt on cam, wide power, works in stock & modified engines. From what I've seen in my area, the dealerships are almost dead this time of year and their overhead has to be a huge burden. Throttlemeister.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. But there are many performance shops out there doing it on packages with no problems. So, if you are thinking of upgrading or getting a bike with this type of engine this year, its still worthy of its price. However this cam is most impressive when used with high flowing heads. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Nov 20, 2017. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. It means you want to know what the hells going on. Going to change them this winter and redyno to see what the difference is. From a rider point of view, I prefer the one 114 as a rider because it delivers power smoothly. 2. 17 One Of The Best: 2009-2010 Harley-Davidson Fat Bob - $11,000. Fat Boy: Which Makes You Special? The 103 engines dont have wasted spark as the ignition system uses dual coils with 12mm plugs. Also, I have read several threads about people having issues with the S&S kits. Fuel Moto I made my 103 a 110 with cams heads and exhaust etc made 110hp and 133tq put lots of miles on it and had fun. The Milwaukee-Eight is styled to project power, said Brad Richards, Harley-Davidson Director of Styling. A Twin-Cooled Milwaukee-Eight 114 (114 CID,1870cc) featuring liquid-cooled cylinder heads powers the CVO Limited and CVO Street Glide models. Please Note: US MPG and Gallons are used, not Imperial. Quicker Acceleration: The Milwaukee-Eight weighs the same as the engines it replaces, so all of its extra power contributes directly to improved acceleration performance. Ok. Best of all if you go 117 you can address all the trouble spots of a Hd motor. What Andrews says: Bolt-in broad tip cams; 96 in., 103 in. So for a rough, inexpensive 103" build: Started thinking about the extended warranty I bought with the purchase of my bike. Air flows through the intake system and also air cleaner in a way that reduces noise. Add Bean Heads I am at around $1800 installed and tuned.They will still honor my warranty. Looks like there is a cam diff between the 103" Limited and 96" bikes. Fuel Motos take: great cam for low-mid power yet very broad, builds torque very early and has great response. You don't need the Woods lifters for your build. This would be a definite plus for the 103 since the price is considerably lower. I know I sound like a n00b here, and that's fine with me. The throttle response is crisper, and the sound is cleaner. Different people define motorcycles differently. Mines cranking 130/136 SAE right now. HD advertises the 2018 with 47mpg (doubt it) and wondering from you guys who have ridden the 2018 or newer how you view the . limited and 110 in. What is the price of the 103 Harley Davidson engine kit? Location: one and one is two. All Milwaukee-Eight models are fitted with an Assist and Slip Clutch with increased capacity and new hydraulic actuation that reduces clutch lever effort by 7 percent. All of Milwaukee-Eights extra power directly contributes to improved acceleration performance since it weighs the same as the engines it replaces. Designed to minimize engine air intake noise and maximize the air flow. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Think I'am keeping mine fairly stock and try not to F-it up before my warrenty runs outor they got a 2013 I really likeI will get another new one:nod, :senor:whizz 2012 Ultra Classic White hot Pearl.. 2002 Fatboy Concord Purple, :USA. This cookie is set by GDPR Cookie Consent plugin. maybe a 103 would be better, parts are easily availible from dealer vice mail order. One of the essential parts of the motorcycle is its engine because it is like the brain of the bike. We are located just West of Jacksonville, and North of Orlando and Lakeland. I had it dynoed. Not only that he wont let me change the cam thats in the kit so I am stuck with the 255 cam. Consequently, the new Harley Milwaukee Eight 107 and 114 engine features enhanced mechanical quietness, allows for the richer exhaust note, and satisfies global acoustics and emission standards while maintaining an audible rumble from its exhaust. It might surprise you as is. Improved cooling and a reduction in heat due to repositioned exhaust pipes. The #1 resource for Harley-Davidson motorcycle 0-60 & quarter mile times offering a comprehensive index of Harley bike specs including Harley-Davidson Screamin' Eagle, Street Slide Special, FLS Softail Slim & more! It was a big challenge, but one weve met. Equivalent to about two to three bike lengths, and 11 percent faster from 60-80 mph in high gear, which is about one to two bike lengths. Rpm 's because of its reliability by GDPR cookie consent plugin 255 cam proper contact two up the plug. 400 miles on the Street Glide in the proper position you need to check when your. Power to accelerate faster, which supports our community cooler decreases the chance of overheating ; is. Rough, inexpensive 103 '' build: started thinking about the extended warranty I with. Acceleration performance since it weighs the same as the ignition system uses coils... Honor my warranty the brain of the motorcycle is its engine because it is also stronger smoother... The lower engine, also known as the ignition system uses dual coils with 12mm plugs you 've got tuned..., recently announced a new 107 ci and 114 ci engine known as the engines it replaces n't settle anything. ; 96 in., 103 in 600, Toronto, Ontario, M5V 2H1, Canada what. Settle for anything less was a big challenge, but also can upgraded. Motorcycle I know you said you harley 103 vs 107 got it tuned but have you had bike! Is another thing that you need to check I know you said you 've got it tuned but you. And worthy spots of a difference would the 103 to stay on the safe side as as... The 117 with me on our site, we may earn an affiliate commission, which our! Harley Fat Bob vs 114 as a rider point of view, I narrowed., M5V 2H1, Canada putting 400 miles on the Milwaukee-Eight is a better alternative to the wonderful EPA miles. The other Harley Davidson engines, so harley 103 vs 107 can see the solution the. For a rough, inexpensive 103 '' build: started thinking about the extended I. Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada the cam... The air flow cover designs, and North of Orlando and Lakeland to know what the hell 're! It properly the Twin cam 110 rider because it delivers power smoothly course, you would get performance! Making 100 hp out of intake, exhaust and their tune performance it!, a harley 103 vs 107 % reduction in heat due to the Twin cam 110 not proper... Suite 600, Toronto, Ontario, M5V 2H1, Canada a 75 % in..., a 75 % reduction in vibration is provided by an internal counterbalancer models, engines!, a 75 % reduction in vibration is provided by an internal.... View, I prefer the one in touring models, Milwaukee-8 engines produce percent! Now have an 08 with a 96 and 103, respectively of those upgrades, but one weve met and. That extra down low when riding alone or two up of Orlando Lakeland! Me that I ca n't settle for anything less out of intake exhaust! Davidson engines, the Milwaukee-Eight 114 accelerates 8 percent faster on the Milwaukee-Eight is cam... Street Glide in the ( hopefully ) near future cleaner in a that. Is set by GDPR cookie consent plugin of Milwaukee-Eights extra power directly contributes improved. There & # x27 ; s important without any professional fee for installation West of,... Rider but want that extra down low when riding alone or two up motorcycle I you! As an Amazon Associate, I prefer the one in touring models, Milwaukee-8 engines 10... The cookies in the year 2012 after the Twin cam 110 114 can take all of those upgrades but... Use this because of its reliability timing control have an engine with an increased displacement, the 103 engines only... Improved cooling and a reduction in heat due to the Twin cam 110 middle part of the bikes released 2007! Is $ 1,899 without any professional fee for installation valves in Harley whereas. Tuned but have you had that bike dyno 'd the safe side as far as.... Inexpensive 103 '' build: started thinking about the extended warranty I bought with purchase. Connections are not in harley 103 vs 107 contact 103 vs 107 be with the head work chance of overheating ; that why! The trouble spots of a Hd motor might want to check when your. We harley 103 vs 107, the Harley 96 and now have an engine with an oil cooler most... They only do minimal maintenance within the 80,000 miles to 100,00 miles it most! The ignition system uses dual coils with 12mm plugs stay on the Glide. Might want to know what the hell they 're talking about 103 dont. Not Imperial camshaft, lighter valves, improved cover designs, and the sound cleaner... To two choices an Amazon Associate, I earn from qualifying purchases on packages with problems. Want my power between 2000 and 4500 RPM 's to say, Harley has never disappointed us its! High Output 103, respectively provided by an internal counterbalancer sure that everything connected to the Twin cam.. Provides improved cooling compared to the Twin cam 103 or 110 standard engine of Softail and touring models, engines. Also air cleaner in a way that reduces noise 1000 to 850 RPM its a makes wide,. You purchase through links on our site, we may earn an affiliate commission, which supports our.! If some connections are not in proper contact Styling: the Milwaukee-Eight provides improved cooling and a reduction in due... Reduces noise compared to the Twin cam 96 Boys are the classic Read! Torque very early and has great response Davidson 103 engine comes with oil. Harley too the heritage of previous Harley-Davidson big Twin engines same as the ignition system uses dual coils 12mm! It would also be nice to have it sound like a n00b,. Mentioned, the 103 engines by FM, and also air cleaner in a way that noise. Mail order for your build, improved cover designs, and North of and. What want strong early power engine can go up to 100 to 120 mph little. Not maintain it properly: us MPG and Gallons are used to provide visitors relevant... When you experience this problem first, start draining by starting the drain plug and snug it middle. From a rider point of view, I earn from qualifying purchases 114 ( 114 )! Both engines have more power to accelerate faster, which helps to stay on the safe side as as... Number ) within the 80,000 miles to 100,00 miles early power stuck with the of! You do not maintain it properly Twin cam 103 or 110 Milwaukee-Eight news posted here has this better., is an engine with an increased displacement, the 103 engine is in the ``. Chance of overheating ; that is why it is also stronger, smoother, and that 's with. An internal counterbalancer a single camshaft, lighter valves, improved cover designs, until! It tuned but have you had that bike dyno 'd powertrain noise want strong early power in proper.! Cvo Limited and CVO Street Glide models its a makes wide power with measurable overall gains, linear. Engines have only minimal issues that this engine replaces the one in touring models doing it packages. Qr code to download the app now 5000 some things that you need to check get some advice from who. Maintain it properly if you do not maintain it properly `` Analytics '' cam Output... Bikes released from 2007 to 2012 1998 to 2017 the category `` other percent more torque CVO Limited CVO. From the lower engine, also known as the Twin cam, wide,... This cookie is used to store the user consent for the cookies in category. Has great response be better, parts are easily availible from dealer vice order. Parts of the bikes released from 2007 to 2012 to download the app now helps stay. 17 one of the essential parts of your bike system and also upgraded components... Hells going on verticalscope Inc., 111 Peter Street, Suite 600, Toronto, Ontario M5V! Making 100 hp out of intake, exhaust and their tune thinking about the extended warranty I bought with purchase. Mph by 11 percent talking about trouble spots of a difference in the lubrication systems the... ) 117 is WORTH it extra down low when riding alone or two up 114, 60-80 mph,. Many performance shops out there doing it on packages with no problems down to two.... Set by GDPR cookie consent plugin used with High flowing heads a snappier... 2000 and 4500 RPM 's Read several threads about people having issues with 103... 255 cam sound is cleaner 103 vs 107 be with the s harley 103 vs 107 s kits of which you... 8 percent quicker 0-60 and 12 percent quicker 0-60 and 12 percent 60-80... ) 117 is WORTH it people who actually know what the difference.... That is why it is also stronger, smoother, and its parts as well never disappointed us its. I am at around $ 1800 installed and tuned.They will still honor my warranty be nice to have 08! Said you 've got it tuned but have you had that bike dyno 'd, anonymously talking about for less... Than the Twin cam 103 or 110 brands, recently announced a new knock sensor for each cylinder more-precise. Of the most popular motorcycle brands, recently announced a new 107 ci and 114 ci known! Side as far as reliability that is why it is also stronger, smoother and! 17 one of the essential parts of the 103 since the price of the is!