While driving down long steady hills with closed or partial throttle, the engine backfires, stalls, and would no longer respond to the throttle. In two cases, the engine would restart after turning the ignition off and back on while still moving. In another instance, repeated attempts had to be made to get the engine restarted, after coasting to a stop on the side of the road. *Tr
Electrical system
Triumph Thunderbird Electrical problems by year
2 complaints filed with NHTSA about the Triumph Thunderbird's electrical system. Dead batteries, warning lights, wiring, alternators, infotainment and electronic module failures.
Electrical complaints by model year
Latest Thunderbird electrical complaints
The rear brakes on my 2010 triumph thunderbird began making noise. I took the bike into the dealer and apparently the brake pads are worn to nothing and the rotor is worn to the point of having to be replaced. The bike only has 4000 miles on it and the first scheduled maintenance check on the brakes is 6000 miles. In addition to this issue, the speedometer on the bike has stuck 3 times but the dealer has not been able to witness this issue and so they will not replace the speedometer. It will sometimes show a...
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much slower speed than actually traveling and at other times has shown a much higher speed than is actually being traveled (e.G. Shows 30 mph when doing 55 and shows 100 mph when doing 60). Usually clears when motorcycle is turned off. *Tr
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