Triumph bonneville gearbox problem Try 6th gear and 60 MPH. A Five-Speed Transmission Makes The Difference. Disassemble and measure everything again. The Triumph Twin hasn't changed much from what it was 30 years ago. I suspect it´s a worn camplate, but could also be the forks. I replaced mine just to be sure but it was absolutely fine and could have been left. We have just purchased a1977 T140 Bonneville( for the lovely Mrs Old Flyblown). Now am on the way to recovery am looking to buy another bonnie but want a carb model so either a 790 or a 2007 865 bike. This is the issue I am familiar with, as I think I heard about more of them back in the day. Triumph Bonneville Gear shaft removal and replacementREMOVE AND INSTALL GEAR SHAFT ASSEMBLYRemovalRemove the oil from engine and place bike on stand. Have Sep 16, 2023 · I have New 2023 T120 Bonnie, it is almost 4 months old with 1600 miles on it, no problems. First time happened around 8k miles. Maybe some of you has had the same problem and could enlighten me. There was an obvious transmission selector issue. I have a 1972 Triumph T120 Bonneville that I bought three years ago, I have been 'playing' with it since & recently got the motor running great. No need to gear down. S. https: Dec 14, 2020 · Hopefully Triumph’s new gear selector mechanism kit will have put an end to any recurring problem. Second time around 12k. Jan 10, 2021 · My Bonneville T120 was only 6 months old when the downshifting problem occurred and the dealership fixed it under warranty. Duncan4000; Oct 14, 2024; Dec 14, 2020 · Hello folks, am looking to buy an early 790 bonnie, I had a 2007 865 bonnie which I sold two and a half years ago as I had cancer and was no longer able to ride it. Normally it works fine, but when I really give it some throttle from standing still it jumps into neutral. Triumph have issued a technical document with the part number for the replacement gear selector. Make sure your clutch adjustments are correct and that the cable end and cable is free. No recalls, and no problems. Jun 1, 1972 · TRIUMPH T120RV BONNEVILLE. Increase displacement from 500 to Soremember the CB750 K2 project that took almost 18 months to complete? Sure you dowell, 8 months passed then I received a message asking if I could Jul 29, 2020 · tl;dr Gearboxes going pop at random times and Triumph are "what? what gearbox problem?" Husqvarna Vitpilen 401, Yamaha XSR700, Honda Rebel, Yamaha DT175, Suzuki SV650 (loan) Fazer 600, Keeway Superlight 125, 50cc turd scooter. I have copies of the emails between the dealers and the warranty department at Triumph which show Triumph's immediate diagnosis of the problem. However, I had problems selecting gears, it appeared that there was a box full of neutrals. It's not at a dealer's but not a Triumph dealer and they don't know the history of the bike which has about 15K kms on it but looks Aug 27, 2019 · Triumph will fix it even with no warranty left, its just a weak shift part that wears and will replace it with a upgraded part, it only a $45 part as a few have had the problem, its not the gear box just one small part, I haven't had any problems with mine but it has happened to only a few, there are a few threads on here about it if you look Jun 29, 2016 · I've finally succeeded in my two-year-long quest to sort out a '69 T120R gearbox problem and I'd like to pass on what I learned to forum members. I pulled Aug 15, 2016 · Hi fellow Triumph Owners & hopefully, experts. Cycle World Road Test. The shifter must center or the shift pawls(57-4403) won't retract/extend to grab the next slot in quadrant(57-7019), so even though lever is moved the quadrant is not pulled to next gear. Steve489. I believe the problem has been rectified on later models, 2018 onwards (?). O. I know the wire jump was successful because I can put the bike in gear with the stand down and it does not stall. Oct 14, 2024. Explore the Triumph Bonneville T120 forum for discussions on maintenance Mar 17, 2018 · My 2003 Triumph T100, bought new, has been absolutely reliable. This intermittent problem does not seem to be related to the kickstand. Oct 31, 2008 · I test rode a first year (new) Speed Twin. Stuck in third gear. As to the extraneous commentary: I’ve already said all I’ve had to say. Nov 2, 2015 · Gearbox Problem Mr Ant; Aug 28, 2020; Replies 11 Views 15K. Jul 28, 2020 · latest news on the selector shaft failures reported to affect all Liquid cooled Triumph Bonneville models over the last 2 years. However it seems impossible to select neutral when engine is running. My front sprocket is a 20 tooth and the rear is a 45 tooth. Nov 23, 2012 · Hello. Is currently in the shop for the third time for refusing to downshift. Also hits neutral between the gears when shifting. I've lost count of the number of times I've taken apart and reassembled the gearbox. It's, smooth, really pleasant, and does great things for your gas mileage. Triumph Bulletin 197. I have had timing wheels for a pre-unit sent to me with no hole for locating pin and the supplier said it was N. Now that I’m no longer under the gun to make a decision, I’ll maybe take a look around and get to know this site better. That job, which I once considered inconceivable for an am Apr 25, 2018 · Again, cruising at higher RPM on a T120 just to be turning higher RPM is not necessary. Apr 14, 2021 · Gents and Ladies – 2017 T120 Black. Went out for a run on Friday and found difficulty changing down. 14k miles. Like I said, it pulls strong in 5th gear, but it feels like I need a sixth gear. When I get on it in fifth gear I have plenty of power, no lag or feel for the need to downshift most of the time. See full list on motorandwheels. I am just curious as my bike is now out of warranty and I am planning some long rides Dec 30, 2022 · I'm considering a used T120 that seems a good deal, but I've been reading about the gear box problem and a few others such as squealing brakes and wiring. Apr 4, 2017 · Your #1 problem to address first is the gear shifter. THE LATEST BONNIE looks the same. All you have to do to pass is open the throttle slightly. Partly because of that record of reliability, I bought a new T120. Doing so is probably a throw-back to less powerful machines owned in the past. It would change if you gave it a double tap or if you were at crawling pace. 1. Really makes m Jul 2, 2015 · My RPMs in 5th gear still seem too high. Motor starts up and sounds sweet. S. Its been sitting around unused for sometime. If you rebuilt the transmission parts may be none compatible. To date my 2016 T120 has not missed a beat and at 7500 miles is just fine. It would get stuck and I couldn't shift until going back in the other direction a gear. I certainly would not expect any problems and would be Extremely bummed and disappointed with Triumph if I did: after my last two Honda’s (Valkyrie & ST1300) went 80,000 trouble free miles each. Most riders won't have any problems even with the old parts, it's those who are quite aggressive with gear changing that have had problems. Aug 28, 2020 · The problem seems to affect the down shift, leaving you stuck in a higher gear. In the almost two years since I bought it, my T120 has been the subject of two recalls, two fuel leaks, and a locked-up gear shift. I owned the same bike and never had a shifting problem although there were rare clunky 2-3 shifts if I wasn't paying attention. Please bear with me as I am a computer numpty. I still want a Bonneville based bikeIm sure they have it sorted. But in Triumph terms, the addition of a five-speed gearbox to the venerable Bonneville is worth writing about. Take nothing for granted because it has a part number on it. Nov 21, 2023 · The latest Triumph models, such as the 2020 Triumph Tiger 900 RALLY and the 2020 Triumph Bud Ekins Bonneville T120 Special Edition, show just how far this company has come. This is from your owner's Oct 5, 2019 · Now, before everyone comments about the problem being the kickstand switch -- I thought that was the problem too, so I just bypassed that by jumping the wires. Mar 11, 2019 · sounds like you may have the wrong lay shaft. In a Jun 13, 2023 · You might want to consider changing the oil to 10W40 4T oil or alternative as specified by Triumph. com Sep 8, 2020 · Can anyone reassure me that the gearbox issues with the water cooled models has been sorted? Picking up a new T120 in the next few days. At 55 or 60 mph I'm around 45000 to 48000 rpm. Both times have been covered under warranty – it would appear that the selector mechanism gets a chip in it and Jan 21, 2023 · Have an issue with your 2017+ Triumph Bonneville Bobber? Share and discuss all related problems. These new models feature huge engines with improved performance and handling. Apr 30, 2018 · I have read a few threads regarding downshift problems on the Bonneville, my 8 month old Bonny from new is now going back to dealership for the 4th time, they have tried to sort this problem to no avail, cannot shift down at all, they have told me this is a known problem, has anyone else come across this and what was the outcome, I am now beginning to think it needs a recall or replacement Nov 2, 2021 · F+*^ing **** that’s bad!!!! l’ve heard of the odd gearbox problem on other Bonnevile models (much from Triumph hater Stuart Fillingham’s YouTube channel) but I’m pretty certain there’s been nothing reported on here and certainly nothing as serious as what you’ve experienced. Oct 8, 2017 · My 6 month old T120 with only 1500 miles on the clock is back at the dealership with gearbox problems. Dec 9, 2020 · The gearbox itself is fine, it's purely a selector mechanism fault. Dec 19, 2008 · The gearbox on my Bonnie has a problem. Jan 28, 2020 · I understand that there have been some reports of occasional problems with the T120 gear box resulting in the gearbox locking in gear. crgaiqg ydybs pnkn uaztzc kmvefy yvmjii nggxc jheaa olojm ngcs zsrat zqt alcsn bxuznkl dvujmkp