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Engine & cooling

Buell 1125R Engine problems by year

9 complaints filed with NHTSA about the Buell 1125R's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Engine complaints by model year

YearEngine complaintsCrashesInjuriesRecalls
20098000
20081000

Latest 1125R engine complaints

2009 Buell 1125RTransmission & drivetrainElectrical systemEngine & cooling

Riding my 2009 buell 1125r, the oem stator overheated and fried 1 leg of the 3 leg stator. I had the harley davidson recall done on the bike and this made it worse, when going under 5k rpms the bike would overheat; which eventually led to the stator frying. This caused the regulator to be fried as well since the stator goes directly to the stator. This also almost killed my battery. The harley davidson fix doesn't work and they should implement a better fix for the bike. *Tr

Filed Incident Power train · Electrical system · EngineNHTSA 10702678
2009 Buell 1125REngine & cooling

Tl* the contact owns a 2009 buell 1125r. The contact stated that when the vehicle became hot and the engine fan would engage, the vehicle overheated and stalled. The vehicle was taken to the dealer where it was determined that the stator and the clutch had failed. The dealer replaced the original clutch and changed the wiring harness from a 4-charge to a 3-charge stator and clutch. The wiring harness failure also drained the battery prematurely. The contact changed the battery three times before discovering the...

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failure. The dealer stated that the manufacturer was aware of the problem and had three different companies producing the wiring harness and stator for the clutch, but the failure had not been corrected. The failure mileage was 1,400 and the current mileage was 3,509. *Tr

Filed Incident Engine and engine coolingNHTSA 10510420
2009 Buell 1125RElectrical systemEngine & coolingFuel system

It was a friday in september and I was looking at buying a 2009 buell 1125cr, I had done lots of research about the bike and knew about the stator/charging problem. I knew that it did happen while some people where riding the motorcycles. I went into a local dealership that was selling one and was granted a test drive of the bike. I took it out on some back roads to see how it would handle and I also took it on the freeway to see how it would ride in traffic. So while I was getting onto the freeway of I was getting...

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up to speed around 50 or so trying to get up to 70. The bike started to hesitate then chug at around 50, I could not get up to speed as the bike died and I was left coasting to the side of the road, I had traffic at 70 mph running up my back and was in a "panic mode" trying to get the bike over without getting hit.I was able to get it to the side of the road safely where I got off the bike and let it sit. After a minute or two I tried to start it up with no success and then repeated until it started. It finally started really heavily and doggy. I was able to ride it back to the dealership and inevitably not buy the bike. I know the bike has problems because there is multiple complains on buell forums on the internet. *Tr

Filed Incident Electrical system · Engine · Fuel / propulsion systemNHTSA 10496557
2009 Buell 1125RElectrical systemAcceleration & cruise controlEngine & cooling

I was riding the motorcycle in a 70 mph zone. The speedometer, tachometer started to 'flake out'. Then the bike started to miss and run rough all of the sudden. I was 'boxed' into traffic so I tried to speed up to get a quick gap to be able to stop because there was not a suitable shoulder where I was to safely get aside. Upon trying to speed up, the bike stopped running altogether. I tried to restart the bike by pulling in the clutch and then 'dropping' the clutch to bump the engine over. It did not. The...

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rear wheel locked and the bike skidded until I pulled the clutch back in. By that time I was nearly rear-ended and when the cars behind me swerved away, I was able to get to the side enough to safely stop. *Js

Filed Incident Electrical system · Vehicle speed control · EngineNHTSA 10462439
2009 Buell 1125REngine & cooling

Tl* the contact owns a 2009 harley davidson buell 1125r motorcycle. The contact stated that the vehicle would stall frequently and without warning. In addition, the turn signals and gauges would become inoperative. The vehicle was taken to the dealer who replaced parts that were unknown to the contact. The repair did not correct the failure. The manufacturer was notified who offered no assistance. The failure mileage was 1,400 and the current mileage was 8,242.

Filed Incident Engine and engine coolingNHTSA 10452480
2008 Buell 1125REngine & cooling

I purchased 08 buell w/ extended service plan from harley davidson hampton roads. It broke down in alabama on 9/3/11. I had a buell service center in alabama look at the bike & they advised me hdhr dealership is not a service center that specializes in buell & said hdhr overserviced my bike causing it to break down. Upon my return to va, I brought my bike back to hdhr. I requested my $150.00 Servicing fee be returned to me. Hdhr decided to further service my bike & said they found plastic in the oil which caused...

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the oil lines to clog & they needed to break down the engine. They said the bike was vandalized b/c there was no other way for plastic to clog the lines. I told them my bike was not vandalized & I never saw any damage indicated it was. They said they never saw any damage to suggest vandalism either but told me I had to file a claim thru my ins co. Despite it was already on record hdhr overserviced my motorcycle which created a break down, no evidence of vandalism, & buells known issue/recall of plastic particles in engines, they said the bike was vandalized & would not be covered under my service agreement. My insurance co declared the bike a total loss due to the particles in the engine & buell not releasing any engines to dealers unless it is a warranty issue. I spoke w/ hdhr service dept & found out the engine has not even been shipped to esp & so esp hasn't made any determination but hdhr says I need to pay for a new engine. Service dept also told me that they used the april 08 owners manual for the initial servicing of my bike (despite manual being amended & new procedures in place for proper servicing in 08) & that there was no evidence at all of vandalism but they were assuming someone put sand in the oil compartment even tho there was no evidence of sand settling in the oil compartment & previous records show plastic particles. *Tr

Filed Incident Engine and engine coolingNHTSA 10432362
2009 Buell 1125REngine & cooling

During highway speed operation of the motorcycle, there was an internal failure of the motor on the right side causing the rightside engine case to fracture and spray out all crankcase oil. The motor seized, and wholly failed. *Tr

Filed Incident Engine and engine coolingNHTSA 10429986
2009 Buell 1125REngine & cooling

2009 Buell 1125r was riding on freeway when battery light came on and voltage started to drop. Intense heat to frame burning legs through heavy riding gear, smoke pouring from under the seat. Vehicle engine cut out suddenly as I approached home and luckily I had the clutch pulled in. Vehicle would not restart and ignition is dead.. Very common issue with 2009 1125's and luckily it failed on a residential street or I would have been seriously injured. Voltage regulator, stator failed parts on backorder due to the amount of failures. *Tr

Filed Incident Engine and engine coolingNHTSA 10407318
2009 Buell 1125REngine & cooling

My 2009 buell 1125r motorcycle uses a hydraulically actuated clutch. The clutch fluid began to leak out of the engine cover, emanating a drop of fluid for each time the clutch was disengaged. There is a limited amount of clutch fluid in the reservoir, and the leakage will eventually deplete the reservoir. Without fluid in the reservoir, the rider's ability to disengage the clutch is eliminated. This could result in a crash. The dealership ordered new parts that are designed to repair the problem. However, the new...

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parts did not repair the leak. In addition to the potential loss of clutch control, the fluid itself is dot4 brake fluid. While riding, the leaked fluid sprays back onto the right hand side of the motorcycle. The fluid is very slippery, and if it sprays onto certain components it may cause the rear brake to fail to operate, or the rear tire to lose traction. I did not crash as a result of the clutch fluid leakage, but a less attentive rider may not notice the leak until they lose control of the motorcycle's clutch. *Tr

Filed Incident Engine and engine coolingNHTSA 10324792

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data

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