2008 Triumph Rocket Iii problems, complaints & recalls
Most-reported problem areas: Power Train (4) · Wheels (1)
🧭 Reliability snapshot
Compared against other Triumph Rocket Iii model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (93)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Electrical System 2026-09-22 · COM2_35786 · Service Bulletin/Repair Instructions
dealer notice announcing the availability of daignostic software and dealers should begin using it immediately.
Electrical System 2026-07-14 · COM1-35109 · Service Bulletin/Repair Instructions
dealer notice announcing the availability of triumph diagnostic tool 2026-07 and dealers should begin using it immediately.
Electrical System 2026-06-23 · COM2 - 34886 · Service Bulletin/Repair Instructions
dealer notice announcing the availability of triumph diagnostic tool 2026-06.1 and dealers should begin using it immediately.
Electrical System 2026-05-19 · COM6 - 34491 · Service Bulletin/Repair Instructions
dealer notice announcing the availability of triumph diagnostic tool version 2026-06 and dealers should begin using it immediately.
Unknown Or Other 2026-05-19 · COM5 - 34490 · Service Bulletin/Repair Instructions
dealer notice announcing the availability of technical bulletin 264.
Unknown Or Other 2026-05-18 · TB264 · Service Bulletin/Repair Instructions
technical bulletin 264 provides instructions that relates to: triumph diagnostic tool - new motorcycle connection and diagnostics workflow, triumph diagnostic tool - end of support for microsoft windows 10.
Showing the 6 most recent of 93 bulletins. Search all of them free at nhtsa.gov.
What owners report
2020-01-27 · Power Train · 31,000 mi“during acceleration bike drops between gears and you have no power it is in nuetral have to try.to shift up or down and pray you get it before someone hits you from behind. happens most of the time when you down shift make a turn and try to accelerate. also at freeway speeds and acceleration it happens. very dangerous. i called a dealer he wants …”
2019-03-21 · Power Train · 30,000 mi“after bike sat a summer due to illness when i rode bike it started coming out of gear on acceleration and speed changes. i had shift cove replaced 2 years prior now this only has 32,000 miles…”
2015-02-27 · Power Train · 13,000 mi“tl* the contact owns a 2008 triumph rocket iii. the contact stated while driving 25 mph upward on a hill, the motor vehicle made a loud noise. the failure recurred multiple times and there were issues with the vehicle staying in gears. the vehicle was taken to the dealer and multiple repairs were made and updates to the vehicle. however, the failur…”
2013-06-19 · Power Train · 11,000 mi“tl* the contact owns a 2008 triumph rocket iii motorcycle. the contact stated that while attempting to accelerate, the transmission slipped out of gear. the vehicle was taken to the dealer where the technician diagnosed that a spring inside of the transmission fractured and needed to be replaced. the vehicle was repaired however, the failure recurr…”
2012-07-29 · Wheels · 10,240 mi“metzeler me880 tire produced cupping and tire separation after 3000 miles or wear. metzeler continues to ignore my request for investigation into this tire which should have delivered a minimum of 6000 miles. a quick internet search reveals several similar incidents with the same tire. given that this is a motorcycle tire, tire failure carries a…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.