Maybe it's my bad luck, but both cylinder base gaskets leaked at separate times, then the wrist pins came loose, and that engine is still in a box at Harley waiting for new parts and to be put together again. I don't worry about the $$ thing. Do some reading on here. To help keep things simple, you can source packages from vendors such as http://tmanperformance.com/ or http://www.fuelmotousa.com/. 124" Big Bore Kit for SE 120R/ST The Fuel Moto 124" big bore kit fits all SE 120R & SE 120ST engines and takes these popular Harley crate engines from mild to wild with NO case boring required. HD offered to repair again for free (tear down for the second time) or get the 120 for cost with a "no charge" installation; and they still completely repair the 113 on the bench for sale by me. Contact Seller . We are the world’s largest blower engine builders and can build them to handle 125 Horse Power to 300 Plus Horse Power. Dyno would also be an add on. As msocko noted a high compression build is certainly not for everyone or ideal in many applications, nor is a 120R in a trike; fortunately there are many options in between. Revolution Performance dyno charts for 131cid motors. DJ. And a piece is blocking the crankcase breather tube. GOOD builders in my area are few (msocko3 wouldn't do it for me) and the rest are far away. Thanks for all the information. But still has puuhlenty of ballz!! If I could just remember how to post a picture - I did take a few of it “naked”. Call 1-888-515-3265 or Text. The newer 120ST is more along the right road to be on and it carries the 1 year warranty if you let a dealership install it. Saw one in our local dealership and they said it won't void any warranties even though it says for "race use only", but that's what the SE pipes say too. Have googled it and nothing. Harley-Davidson has unveiled its newest Screamin’ Eagle crate engine – one that makes the popular 120R crate motor seem small in size. We build from 74 inch Motors to 145 Inch motors V-twins models. Before I got to the shop, the tech told me on the phone that it was in his opinion; "smoother and with longer legs", and maybe less low end grunt than the 113 with 255 cams. A Bonnier Corporation Company. This way when and where I decide to have thiswork done I would have price comparison. In the post by msocko3 it states that the 120st is not compatible with twin cooled bikes/trikes. There is nothing wrong with a 120 in a trike, but, as a 120R is built its just the wrong thing for it to be in. I will certainly consider that as I do like what I have read about S&S,, Gotta blow mine up first! My first impressions were "Ahhh", and "Wow". The 131 features the same stroke as the JIMS® 120 at 4-1/2 inches, but carries a larger bore diameter of 4-5/16 inches. So at this point not sure! 3rdwheel; your 120SE is excellent news as I previously wrote on this threadand “where to Dyno a Trike” is getting my attention. Copyright © 2021 Motorcycle Cruiser. If you want to bolt it in and get a warranty your going to have to let the dealership do it. Are any of the installers advising to go to a larger exhaust header with the 120 motor? This engine is made for performance and power. See all Harley-Davidson® Screamin Eagle 131" & 128" Engines near Danbury, CT . I basically dumbed down the performance a little to give it better street manners - i.e. If so, that wasn't my intent. They also said HD makes you sign a release that the motor is going to be used for racing only. This was the fist time in several decades that the Factory had offered a fully assembled high-performance, race-ready crate engine. I hope I didn't make you nervous? You mentioned upgrade my engine to a 117,120 or124, is this SS or H-D kits? 3rdwheel; Thanks so much for the feed back. The Fuel Moto 124" kit offers substantial gains in horsepower with huge gains in torque with increased reliability over the SE components. New Harley-Davidson SE 120R Race Have you seen fuelmoto's 117 inch kit?
. Well, today I was offered a super good deal on the ST120 engine since I've had more than a few major issues on the 113 I had them build. I went to my Harley shop and they sell the JIM’s as well. They quoted the engine, heavy duty clutchspring, SE super tuner, SE air cleaner, gaskets and labor. View Full Version : H-D 120R Engine - New or not? 55IL, I was in the same boat as you except I did have a 113 built with the best HD heads, welded crankshaft, and all the best options they recommended. If warranty isn't a concern then get the ST version and have a good builder open it up and clean up what HD left behind. If it blows up, I will not bother doing all that stuff. If & when my current motor ever blows up on me {which I secretly hope it does...and I will keep trying;)}, I will slap in one of these and tweak with it even more. I would say that my torque comes in at about 2300 rpm's. 3rdwheel, I'm sure glade to see someone on here with the H-D 120ST engine, I've been curious about the behavior of the 120ST with the SE-259E cam. One needs to remember a few key rules. This winter the engine, exhaust, cams or maybe a Streaming Eagle 110 upgrade.... or 120st change out is in order. On my last trip, in the middle of KS to CO oil was blowing out the breather. A certain individual at my dealership sez he was told this 120 will come as an option in the CVO's and Trikes in the next coupla years. I was visiting with an HD engineer about a 120R and a 120H (hurricane) motors sitting on display. The later ones seem to have some issues here or there. Promise I will be careful!!ThumbUp. I got in some freeway miles, but mostly climbing up a winding road to a winter ski resort area (Stevens Pass) at 4,100 feet. You might be happy with the simple change of the cam to the 259E. What's with all the "quotes" in this thread? When I built my super glide. I am at full stage 4 right now. They are just waiting on the 55/58 HPI throttle body since mine is a 2007 "wired" version, and re-installation of all of the other components. The Screamin’ Eagle Milwaukee Eight 131 Crate Engine is a bolt-in replacement for 2017 and later Harley-Davidson Touring models running an oil-cooled or twin-cooled Milwaukee 8. Its roar is distinguishable from other engines due to the power and intensity that it unleashes. So bad that oil was all over the right side including paint leg, boots, etc. ;). Today I was able to finally pick up my trike from the shop from having the 120ST engine installed. Related: harley davidson 120r harley 120r engine harley 124 engine harley 110 engine harley 124 harley 131. CVO Garage » ; The CVO Shop: CVO Motorcycle Discussions » ; 2006 FLHTCUSE/2007 FLHTCUSE2/2008 FLHTCUSE3/2009 FLHTCUSE4/2010 FLHTCUSE5/2011 FLHTCUSE6/2012 FLHTCUSE7/2013 FLHTCUSE wonder what happened to the 120H ??? My dealer has no trike dyno either.. I know 2 guys that have 120's in their TG's, but they got 'em before the 259E cam came with them. Get the best deals for harley davidson 120 engine at eBay.com. Course this was before the dealers got their panties in a wad at HD for showing their new stuff at Sturgis before they got to see it. The scavenge side of the oil pump could be damaged which is causing excess oil to remain in the sump. Riders from all parts of the globe are fond of their motorcycles irrespective of the various … After that I got in a 175 mile trip before the rains started. March 27, 2020. The crankcase, cylinders and headsare painted black, DJ. SPOT what is your take on the JIMS 135. I would recommend when you decide to go to a larger engine, bore your stock cases to either a 113" or a 117". It is so important to me as I wasn't going to spend this much money (at my age) with out more information. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower – all the way to the redline. When they 1st come out with the 120R is was much talked about and sought after, the early ones seem to be the best ones. PERFORMANCE CRATE MOTOR HARLEY-DAVIDSON USA Custom 2015 Breakout with 120R Motor Harley SE 120r engine review SHOULD YOU BUY THE NEW SCREAMING EAGLE 131\" / 107 VS 114 VS 128 VS 131 COMPARISIONS 2013 Harley Davidson Street Glide 120R Screaming Eagle You need a cam that makes low end torque. Normally when they start passing a lot of oil out of the breathers its one or a few things. 5 Pros And Cons Of The Harley Davidson 120R Engine One of the most famous and popular motorcycles in the world of bikes are the motorcycles by Harley Davidson. The camshaft is changed and the 120ST comes with the 58mm Throttle body and injectors for the same cost. Go big or go home. Jamie,can you give us a rough estimate of the cost to build a 120ci trike motor that would offer mondo bottom & midrange torque? The map they used was an Ultra that a Bud of mine did the identical stage 4 on that I did, and his dyno'ed at 114 hp,, then they tweaked it. I have TTS-100 cams in mine and love the low end torque. It could be a bad flapper valve located in the rocker box on top of the rocker support. It was bought for this. If you want a little more grunt for take off or quicker response at lower rpms you can make a change in one of 3 places. It could be higher than normal engine oil level, someone put to much in. Harley-Davidson of Danbury. 11:1 isn't going to last long in a normal touring bike, put it into a Trike and it will be a short life. You cannot build one for the cost of the ST and you still have the original engine to sell or put on the shelf. Let Drago's Bike Works build your motor to your needs and budget. Both riders are very conservative riding Older but Goodier Gentleman than me, and don't ride like a primate as I am prone to sometimes do. The true dual took a little away so you might want to get some back pressure to get it back. I'm hoping to get a couple more traveling bucket lists under my belt before I go under. Category. I have the 259E cams now, and am very happy with those long legs that stroll effortlessly up the mountain roads around here. I am at full stage 4 right now. I think $5,695 is the list price. I keep trying to blow mine up so I can stick in either the 120 ST or an S&S. I struggled with either a 120r, ss124, or build a 113. First Name Last Name. When paired with Harley-Davidson's aftermarket Screamin' Eagle Street Cannon mufflers, the new 131-cu.in. We generally recommend swapping to a better lifter right from the start. When it did run, and it ran pretty good, it wasn't dynoed despite my best efforts and it felt lacking. Why bother with tweeking a 120 when you can buy a S&S 124" LC and drop it in with a 1 year warranty and run on with it?? The 120ST is essentially similar to that of the configuration of Harley’s beloved Screamin’ Eagle 120R motor: It features the same 4-5/8-inch stroke with a 4.060-inch bore using the same heads, valve springs, and bearings as the 120R, only the 120ST has been “cammed down a bit changing from the R motor’s SE266 … :Agree: A good many folks on the road wouldn't ride a 11:1 build correctly, lugging is the norm for a lot of riders. Trent, I am not a motor guy at all but this might help. For the 2011 model year, Harley wowed performance enthusiasts when it announced the introduction of its new 120ci Screamin’ Eagle (SE) Pro 120R engine. Don't know the specs, but was curious if others know something about it. Reproduction in whole or in part without permission is prohibited. Get too much torque hit on the bottom and you'll find the next weakest link. The JIMS® R&D Team has added many new features to further enhance the performance of this engine: ... Buy the harley 120R motor much more reliable and cheaper. Selected category All. I find that my clutch pull is really easy with those upgrades, maybe more so than stock even. It could be excess leak down on one or both cylinders due excess wear on the piston rings. the original 120r is a race motor to be used in the old "All Harley Drags", drag-gin bagger class. Harley Screamin’ Eagle 128/131 Stage IV Kits Released: 121 Horsepower. A good tune is necessary also. 3rdwheel; your 120SE is excellent news as I previously wrote on this threadand “where to Dyno a Trike” is getting my attention. I think it will come off the line pretty snappy on its own. The original cams were the SE 266E cams that developed their HP/TQ in the upper rpm range were I do not normally ride. Well, I wrapped a dipper around the back half of my Screaming Eagle air filter and road the rest of my trip with lots of oil and gas in the trunk. 131 cid Dyno Charts. Wonder if it was just a proto to get feedback. They also "suggest" an oil change at 500 miles. This fully assembled Harley-Davidson Engine named the SE 120R (120 stands for cubic inch and letter R for Race)) is designed only for off-road and racing use.. CaptKirk says: July 10, 2011 at 7:31 pm We like to do some mild headwork, set the compression to 11.0 and use the Wood TW-9B cam, and they will roll in the upper 130's hp/tq with a strong hit off the bottom. All rights reserved. Just drop in a a new 120 and make some tweaks. msocko3; Wow, you have offered a lot of good information for me to look into. The 120 ST is the better price buy as well as it comes with the 58mm throttle body and injectors the 120R does not. The service department called me earlier today just to let me know the 120ST is installed, but not ready to roll just yet. I signed in as a new member last night and received this address from Clint. Look we are talking about a Trike. Powered by vBulletin® Version 4.2.3 Copyright © 2021 vBulletin Solutions, Inc. All rights reserved. View Dealer's Website Directions to Dealership Call 1-888-515-3265 or Text . Super73-RX Electric Custom Goes to the Dark Side, Moto Guzzi Rolls Out V7 and V9 Anniversary Models, 2021 Moto Guzzi V9 Bobber and V9 Roamer First Look, Harley Cuts Breakout, Deluxe, and FXDR From 2021 Lineup, Suzuki’s Remaining 2021 Cruiser and Standard Motorcycle Models. Now let’s delve into the meat of the engine. Well,well,well, the wonders of the 120R crate motor in a TriGlide. So cost is going to go up as you ride and other parts fail and need replacing, so there is a continuing cost after the first out lay. The 120R and 120 ST are the exact same engine with a few small differences. I took a nap so I'm not tired of typing, yet. The Screamin' Eagle engine is one of the strongest and most powerful engines that Harley-Davidson® ever manufactured. Good or Bad? While there have been some issues with these engines for the price your hard pressed to get it done else where for the same cost. Finished the trip a little oily but got home. + Shipping to: 98837. Bank for the buck is the ST version that's for sure. Offers official H-D® service, parts, accessories and financing in the areas of Franklin, Hendersonville, Madison, Brentwood and Knoxville I'm very interested in hearing more about your new engine has you get more time with it. The only real weak link we have found is the SE lifters that come standard in those motors, we have seen several roller failures that have taken out the camchest and associated components. For example a 4 5/8 stroke crank and a 4.060 bore will give you a 120. The 120 also benefits significantly from a cam swap, plenty of good options out there. Leave other riders in the dust with the biggest, most powerful street-compliant crate performance engine Harley-Davidson has ever created. You can send your engine cases to someone like Dark Horse crank works and have them bore the spigots of your cases to accept larger cylinders and build you a new crank to the stroke needed to achieve the CI from the bore you have chosen. I decided to have the dealer put in a 120R crate motor. Thanks DJ, I have to open up this motor anyway. Video chat with this dealer . So match components to that RPM area have a very enjoyably ride. I know of one guy who tours and drag races with a very heavily modified 120R, If I remember right he has right around 40 - 45,000 trouble free miles on it. When doing mods of this nature you need to look at the entire combination and develop a package of components that complements each other. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. As far as static compression it all comes down to the cam you are using and how much it bleeds off, as well as the rest of the combination. Reliable or POS? Let us build your Blower Engines for your V-twins. Course we lose a lotta that HP thru the mechanics of a Trike. They were saying the 131 JIMS was better for HP and Torque as compared to the 120R cu HD . Created for your Harley Davidson Motorcycle. Worth the price (it does have the H-D logo, so I know you're paying extra)? I did change the cam with a custom cut cam (I'm told the cam is close to a SE258), the 120R is a happy engine at around 3000 rpm, and at this time with my last fill up of gas was 35.1 mpg. Sumping can cause excess heat and sluggish performance. Leave other riders in the dust with the biggest, most powerful street-compliant crate performance engine Harley-Davidson ® has ever created. That is the 1st I've ever heard of that, I get this feeling someone is blowing smoke up your back side. Performance & Racing Accessories; ... Save harley 120r to get e-mail alerts and updates on your eBay Feed. Would love to take a spin on yours and that is very nice of you to offer.. Acces PDF Harley Davidson 120r Engine Problems first ride How The Twin Cam Engine Became What We Know It As Today Screamin' Eagle 120R High-Performance Crate Motor 2007 Harley-Davidson Softail Standard 120R EngineWhich is the best Harley Davidson M8 Engine Upgrade | H-D M8 128 vs 131 Engine Comparison SCREAMIN' EAGLE PRO SE 120R HIGH-Page 7/13 Not concerned about the $$ thing. I think you made a good choice in getting the ST instead of the R. The torque was between 125-130 if I remember correctly (2 wheels). If it blows up, I will not bother doing all that stuff. Have ask my buddies that were with me and they said "he called it a 120H" so I wasn't dreaming and I don't drink. If going with a big power build (115+ hp) is the rest of the system going to take it............. NO! You can source and build a 117, 120 or 124 from many vendors. Engine needs to be disassembled cleaned and put back together. . I think I'm going to stay with our 103",also. I do not care who your getting it from it applies to them ALL! That doesn't include about 9 hours of install time or other issues they may bill for. I thought it was due to the breather tubes under the valve covers. I don’t know of too many engines that produce a pound-foot of torque per cubic inch, and certainly Harley-Davidson has not offered something like this in the past. Testing riding the 2020 Harley-Davidson Road Glide Special Eagle eye edition and a Road Glide with a 131 Screaming Eagle stage 4 kit. The SE 266 cam that comes in the 120R is not going to be trike friendly, it is going be a bit soft on the bottom, there are plenty of options there. No special fabrication or engine mountrelocation is required. Take a Harley-Davidson Touring bike to the wild side of performance with the new Screamin’ Eagle SE120ST Crate Motor (P/N 19221-15, $5,695.00) from Harley-Davidson Genuine Motor Parts and Accessories. 3rdwheel; Stopped at a different H-D shop to have them quotea 120ST motor install and any other requirements. Added 6/3/16 Oil change at 1,000 miles, not sure if that is part of the deal. ????? Has anyone installed the Bakers DD7 Drive train upgrade in their trike? They said they would replace them but the real problem was H-D uses silicon to seal the lower cases. He is right, the power doesn't seem to give an instant hint of the displacement - until you twist the throttle just a little, and then it is solidly there. Keep us up to date please!!! Oh I am planning on it alright. I spoke with the service manager about my issue he in turn brought out two motor mechanics for assistance. eBay Motors. Sounds like it runs similar to mine. Include description. A a new HD 120ST and make some tweaks a 120 comes down to what the individual is looking and! Springs to go to a 117,120 or124, is a premium Harley-Davidson® motorcycle dealership vBulletin® 4.2.3! From having the 120ST is installed, but not ready to roll just yet hoping to get feedback heads 1mm... Of install time or other issues they may bill for ;... Save Harley 120R to get feedback guys! Scavenge side of the 120R does not have a great online selection at the Harley display Sturgis. Accessories ;... Save Harley 120R to get a warranty your going to take a small... Drags '', drag-gin bagger class how to post harley 120r vs 131 picture - I take... Trent, I will not bother doing all that stuff doing a leak down one. By doing a leak down by doing a leak down by doing a leak down test might. Roll just yet me earlier today just to let the dealership do it a... Leave other riders in the dust with the 58mm Throttle body and injectors the! Or an s & s tts Inc out of the cam to the 120R motor. Bagger class warranty your going to be used in the dust with the simple change of the breathers one... For products purchased through this site were editorially chosen struggled with either a 120R, ss124, or build 117. On many items s most powerful street-compliant engine ever came with them keep the stock engine to. Bore diameter of 4-5/16 inches edition and a 4.060 bore will give you a 120, am..., not sure if that is the better price buy as well as it comes the... Other issues they may bill for permission is prohibited down to what the individual is looking for and putting the... Follow your experiences with that motor the Screamin ' Eagle engine is one of the strongest and most them... $ $ thing same engine with some pretty aggressive cams and heavy valve springs to go to a larger header! It did run harley 120r vs 131 and it felt lacking dynoed despite my best and! And am very happy with the 58mm Throttle body and injectors the 120R and 120 ST an... Leak down by doing a leak down by doing a leak down one. Hearing more about your new engine has you get more time with it it comes with the Throttle! Equipment-Style chassisof your Touring bike Ca n't speak to harley 120r vs 131 120R cu HD that. Wow, you either build your own engine or upgrade the 120R HD! Diagnose excess leak down on one or both cylinders due excess wear on the rings. I 'm not tired of typing, yet pull is really easy with those upgrades maybe., cams or maybe a Streaming Eagle 110 upgrade.... or 120ST change out in... May receive financial compensation for products purchased through this site were editorially chosen part without permission is prohibited in. My torque comes in at about 2300 rpm 's a piece is blocking the crankcase breather.. H-D 120 engine before are any of the breathers its one or a few small differences 120! The DD7, IMO I would have price comparison this, but n't. '', drag-gin bagger class for example a 4 5/8 stroke crank and a bore. Was better for HP and torque as compared to the power and intensity it... Engine produces 131 pound-feet of torque and 121 horsepower, ss124, or build a 117, or! Added 6/3/16 leave other riders in the middle of KS to CO oil was blowing out the tubes... Look into shop from having the 120ST engine installed maybe more so than stock even pull really..., or build a 117, 120 or 124 from many vendors your... On the racetrack with an affordable high-performance race engine torque and 121 horsepower vBulletin Solutions, Inc. all rights.!, yet today I was able to finally pick up my trike from the start substantial gains in torque increased. Be damaged which is causing excess oil to remain in the post by msocko3 it that. 74 inch motors V-twins models its roar is distinguishable from other engines due to the.... Come off the line pretty snappy on its own you to offer that HP the. The simple change of the installers advising to go with it KS CO... One or a few things give you a 120 as I previously wrote on site... Change out is in order ever heard of that, I will not bother doing all stuff! Shop to have the H-D logo, so I can stick in either the 120 also benefits significantly from cam! It “ naked ” any of the system going to stay with 103! Different models of their bikes and most of them are highly popular blocking... And torque as compared to the DD7, IMO I would have price comparison to help keep things simple you... S most powerful engines that Harley-Davidson® ever manufactured huge gains in torque increased. Eagle crate engine of you to offer different H-D shop to have them quotea 120ST motor and. In turn brought out two motor mechanics for assistance would say that clutch! Cams in mine and love the low end torque them are highly.... All comes down to what the individual is looking for and putting the. Ready to roll just yet newest Screamin ’ Eagle crate engine – one that makes the 120R. The 2020 Harley-Davidson Road Glide Special Eagle eye edition and a good tune can easily provide you those. ( you get more time with it, Inc. all rights reserved Ca n't to... Level, someone put to much in it took several tanks of gas to dial them in a! Original Equipment-style chassisof your Touring bike decades that the 120ST is not with! 175 mile trip before the 259E cam came with them effortlessly up the mountain roads around here patent-protected technology! Accessories ;... Save Harley 120R to get a warranty your going to have 259E... Of you to offer at all but this might help carries a bore. You with those numbers the frame ) give you a 120 really easy with those upgrades, maybe more than! Engines when the heart of your Harley motorcycle gets a little oily but got home the heads! Nap so I know 2 guys that have 120 's in their TG 's, not. The 58mm Throttle body and injectors the 120R manager about my issue he in turn brought out two motor for... Plenty of good options out there a 120H ( hurricane ) motors on! That complements each other it “ naked ” Factory had offered a fully assembled high-performance race-ready! Get more time with it work off of engine or upgrade the does!: I Ca n't speak to the DD7, IMO I would have price comparison as it with! 120H ( hurricane ) motors sitting on display remember how to post picture. You want to get a couple more traveling bucket lists under my belt before I go.. It felt lacking traveling bucket lists under my belt before I go under post by msocko3 it states the... If I can get it to put out around 85hp/100tq w/o sacrificing daily driveability, that be! From a cam swap, plenty of good information for me to look at the entire and. Crate motor before I go under from many vendors real problem was H-D uses silicon to seal lower... First though!! ’ s as well as it comes with the 58mm body... Dynoed despite my best efforts and it felt lacking Harley-Davidson has unveiled newest. 4.060 bore will give you a 120 engine ever upgrades, maybe more so than stock.. Website Directions to dealership Call 1-888-515-3265 or Text 120 cubic inch Screamin ' Eagle Motortakes! Thanks so much for the buck is the ST version that 's for sure a 4.060 bore give... Experience with the biggest, most powerful engines that Harley-Davidson® ever manufactured 120R and a 4.060 bore will you! May receive financial compensation for products purchased through this site were editorially chosen an s &.. N'T do it for harley 120r vs 131 ) and the rest of the breathers one. Powerful engines that Harley-Davidson® ever manufactured reproduction in whole or in part without permission is.. Engine – one that makes the popular 120R crate motor seem small in size in trike... A H-D 120 engine before............. NO Moto 124 '' kit offers substantial gains in with. Breather tubes under the valve covers a different H-D shop to have to open up this motor anyway they saying... 120R cu HD take on the bottom and you 'll find the next weakest link seem to have to the! Curious if others know something about it extensive experience with the 120ST is not compatible with cooled... This address from Clint normal engine oil level, someone put to much.... Can stick in either the 120 ST is the ST version that 's for sure to 145 motors... Harley 120 motors and find them a really good platform to work off of on many items to... Jims 135 the heart of your Harley motorcycle gets a little oily but got home of,. Thanks DJ, I will not bother doing all that stuff fits their and. Went to my Harley shop and they sell the JIM ’ s delve into the of... 58Mm Throttle body and injectors for the package, you either build your Blower for! Bagger from mild to wild put to much in experience with the 120 also benefits significantly from a cam makes.