LOWER TIMING CHAIN SPROCKET FAILURE. DESTROYING ENGINE,AND POSSIBLY LOCKING REAR TIRE AT SPEED. *JB
2005 Triumph Rocket Iii
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Rocket Iii years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
20 reports with mileage · 0 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
20 reportsI HAVE A TRIUMPH ROCKET III MOTORCYCLE. 2005 MODEL YEAR BOUGHT IT IN OCT OF 2004. IT CAME WITH A TWO YEAR UNLIMITED MILES WARRANTY. AFTER OWNING FOR ABOUT ONE YEAR I STARTED TO DEVELOPED ENGINE NOISE/VIBRATION, I TOOK IT TO THE DEALER/SERVICE CENTER WHERE I BOUGHT IT AND THEY KEPT DENYING THAT IT HAD A PROBLEM AND THAT THEY COUL…
Read full complaint
I HAVE A TRIUMPH ROCKET III MOTORCYCLE. 2005 MODEL YEAR BOUGHT IT IN OCT OF 2004. IT CAME WITH A TWO YEAR UNLIMITED MILES WARRANTY. AFTER OWNING FOR ABOUT ONE YEAR I STARTED TO DEVELOPED ENGINE NOISE/VIBRATION, I TOOK IT TO THE DEALER/SERVICE CENTER WHERE I BOUGHT IT AND THEY KEPT DENYING THAT IT HAD A PROBLEM AND THAT THEY COULDN'T DETECT THE NOISE OR VIBRATION. I TOOK IT TO ANOTHER LOCAL TRIUMPH DEALER/SERVICE CENTER FOR THE SAME ISSUE, THEY HAD IT FOR OVER TWO WEEKS, AND THEY CLAIMED THEY COULD NOT DETECT ANY NOISE OR VIBRATION, AND THEY CHARGED ME SHOP RATE FEES FOR THE ASSESSMENT, CLAIMING THAT SINCE THEY COULD NOT FIND ANYTHING THEN THEY COULD NOT WRITE IT UP AS A WARRANTY CLAIM. NOW MY TWO YEAR WARRANTY PERIOD IS OVER AND NOW THE VIBRATION IS SO BAD IT CAN NOW BE DETERMINED THAT IT IS A PROBLEM WITH THE CRANKSHAFT SPROCKET TO THE TIMING CHAIN. AND THEY WANT OVER 1500 DOLLARS JUST FOR PARTS. IT IS KNOWN TO BE A COMMON PROBLEM WITH THIS ENGINE. MY INQUIRY INTO THIS PROBLEM WITH OTHER ROCKET III OWNERS REVEALED THAT TRIUMPH IS AWARE OF A SPECIFIC LOT OF TIMING CHAIN SPROCKETS THAT WERE SUBSTANDARD. MY CONTENTION IS THAT THIS PROBLEM WITH MY BIKE SHOULD BE COVERED UNDER A RECALL, OR UNDER A EXTENSION OF WARRANTY FOR CIRCUMSTANCES AS DESCRIBED ABOVE. OF THE MANY OWNERS THAT I KNOW THAT HAVE HAD THIS PART FAIL IT WILL TAKE OUT THE CHAIN AND BOTH CAMSHAFTS WILL STOP TURNING AND BEND ALL OF THE VALVES AND IN SOME CASES IT HAS BROKEN THE PISTONS. I BELIEVE MY ENGINE SHOULD BE FIXED BY TRIUMPH BEFORE IT BECOMES A CATASTROPHIC FAILURE. RIGHT NOW I CAN STILL RIDE IT, BUT I FEEL THAT IT COULD BREAK AT ANY TIME, AND IT CAN LOCK UP THE ENGINE/CAUSE CRASH, BUT I AM ONLY HOPING THAT A RECALL OR ADMISSION OF RESPONSIBILITY WILL COME. I AM STILL PAYING $363 DOLLARS A MONTH FOR THIS THING AND CANNOT FATHOM THAT I SHOULD HAVE TO FUND THIS MISTAKE ON THEIR PART. NO PUN INTENDED. THANKS.... *TR
TIMING CHAIN, SPROCKETS, BLADES AND TENSIONER ARE CONSTRUCTED AND ENGINEERED UNDER SUBSTANDARD GUIDELINES CAUSING FAILURE OF ONE OR ALL TIMING COMPONENTS AND ENGINE FAILURE WHICH COULD RESULT IN THE LOSS OF VEHICLE CONTROL AND CAUSE A VEHICLE CRASH. TRIUMPH HAS UPDATED THE DESIGN AND CONSTRUCTION OF THESE COMPONENTS IN LATER MO…
Read full complaint
TIMING CHAIN, SPROCKETS, BLADES AND TENSIONER ARE CONSTRUCTED AND ENGINEERED UNDER SUBSTANDARD GUIDELINES CAUSING FAILURE OF ONE OR ALL TIMING COMPONENTS AND ENGINE FAILURE WHICH COULD RESULT IN THE LOSS OF VEHICLE CONTROL AND CAUSE A VEHICLE CRASH. TRIUMPH HAS UPDATED THE DESIGN AND CONSTRUCTION OF THESE COMPONENTS IN LATER MODEL YEARS BUT HAS NOT ISSUED A RECALL FOR THE EARLIER YEARS CONTAINING THE FAULTY COMPONENTS. INSTANCES OF FAILURE HAVE OCCURRED ANYWHERE FROM 1,000 TO 35,000 MILES ON THE VEHICLE AND HAS BEEN DOCUMENTED NUMEROUSLY ON TRIUMPH ROCKET III OWNERS GROUP WEBSITES UNDER THE TERM "PAINT CAN RATTLE" AS THE SOUND THAT IS PRODUCED BY THE FAILING COMPONENTS SOUNDS SIMILAR TO THE BALL BEARING RATTLE INSIDE A SPRAY CAN OF PAINT. SEVERAL FAILURES HAVE HAPPENED OUTSIDE OF MANUFACTURER WARRANTY AND THE REBUILD COST OF $2,000+ HAS BEEN PUSHED ON TO THE CUSTOMER. IT IS UNDERSTANDABLE THAT A TIMING CHAIN IS A CONSUMABLE ITEM MUCH LIKE TIRES AND BRAKES BUT COMPLETE SPROCKET AND ENGINE FAILURE SHOULD NOT BE CONSIDERED CONSUMABLE. *TR
HIGH ENGINE IDLE WHEN COMING TO A STOP OR RELEASING THE THROTTLE. NO ENGINE BRAKING AVAILABLE. HIGH IDLE 1300-2000RPM WHEN SHIFTING . PROBLEM DEVELOPED AFTER SERVICE BULLETIN 386 WAS PERFORMED BY DEALERSHIP. RETURNED TO DEALERSHIP , THEY FOUND HIGH IDLE BUT COULD NOT DO ANYTHING TO FIX IT. ECU PROGRAM PROBLEM I WAS TOLD. *JB
TL*THE CONTACT OWNS A 2005 TRIUMPH ROCKET THREE. WHILE AT A STOP LIGHT THE VEHICLE BEGAN SHAKING AND IT SHUT OFF. THIS HAPPENED WHENEVER THE VEHICLE HAD LESS THAN 1000 RPMS. HE WAS ABLE TO RESTART THE VEHICLE IMMEDIATELY. THE DEALER STATED THE COMPUTER NEEDED TO BE TUNED. THE DEALER TUNED THE COMPUTER. HOWEVER, THE PROBL…
Read full complaint
TL*THE CONTACT OWNS A 2005 TRIUMPH ROCKET THREE. WHILE AT A STOP LIGHT THE VEHICLE BEGAN SHAKING AND IT SHUT OFF. THIS HAPPENED WHENEVER THE VEHICLE HAD LESS THAN 1000 RPMS. HE WAS ABLE TO RESTART THE VEHICLE IMMEDIATELY. THE DEALER STATED THE COMPUTER NEEDED TO BE TUNED. THE DEALER TUNED THE COMPUTER. HOWEVER, THE PROBLEM CONTINUED TO OCCUR. THE DEALER TUNED THE COMPUTER FOUR MONTHS LATER AND THE FAILURE CONTINUED TO OCCUR. THE FAILURE MILEAGE WAS 1000 ,AND THE CURRENT MILEAGE WAS 2600. *AK UPDATED 05/23/07. *JB
DT*: THE CONTACT STATED WHILE TRAVELING AT VARIOUS SPEEDS, THE VEHICLE WOULD NOT SHIFT ABOVE THIRD GEAR. THE VEHICLE WAS TAKEN TO THE DEALERSHIP AND A SPRING IN THE TRANSMISSION WAS REPLACED.
DT*: THE CONTACT STATED THE MOTORCYCLE INTERMITTENTLY STALLED WHILE DRIVING 20-25 MPH AND WHILE STOPPED AT STOP SIGNS AND LIGHTS. THE MOTORCYCLE ALWAYS RESTARTED AFTER THE THROTTLE WAS TWISTED FOR ONE MINUTE. THE DEALERSHIP WAS UNABLE TO DETERMINE THE CAUSE OF THE STALLING, BUT RESET THE COMPUTER TWICE. HOWEVER, THE INTERMITT…
Read full complaint
DT*: THE CONTACT STATED THE MOTORCYCLE INTERMITTENTLY STALLED WHILE DRIVING 20-25 MPH AND WHILE STOPPED AT STOP SIGNS AND LIGHTS. THE MOTORCYCLE ALWAYS RESTARTED AFTER THE THROTTLE WAS TWISTED FOR ONE MINUTE. THE DEALERSHIP WAS UNABLE TO DETERMINE THE CAUSE OF THE STALLING, BUT RESET THE COMPUTER TWICE. HOWEVER, THE INTERMITTENT STALLING CONTINUES. *AK
DT: RIDING AT 5 TO 10 MPH COMING TO STOP, CONSUMER'S FRONT BRAKES LOCKED UP, AND A LOUD METAL PING SOUND OCCURRED. THE CONSUMER WENT TO THE DEALER FOR THIS PROBLEM, AND THE DEALER STATED THAT THE BRAKES WERE NOT PROPERLY INSTALLED AND THAT HAPPENED AT THE FACTORY. THE CONSUMER HAD HEARD LOUD SCRAPING SOUND WHEN DRIVING AT LOW SP…
Read full complaint
DT: RIDING AT 5 TO 10 MPH COMING TO STOP, CONSUMER'S FRONT BRAKES LOCKED UP, AND A LOUD METAL PING SOUND OCCURRED. THE CONSUMER WENT TO THE DEALER FOR THIS PROBLEM, AND THE DEALER STATED THAT THE BRAKES WERE NOT PROPERLY INSTALLED AND THAT HAPPENED AT THE FACTORY. THE CONSUMER HAD HEARD LOUD SCRAPING SOUND WHEN DRIVING AT LOW SPEEDS, AND REPORTED THIS FACTOR TO THE DEALER WHICH FOUND NOTHING. 20 MINUTES LATER THE BRAKES LOCKED UP, BUT MANAGED TO KEEP THE BIKE UPRIGHT INJURING SELF IN PROCESS. THE MODEL IS A SPEEDMASTER . *NM THE DEALER FOUND THAT THE RIGHT HAND FRONT BRAKE CALIPER MOUNT BOLTS HAD NOT BEEN PROPERLY TORQUED AT THE FACTORY. THE UPPER MOUNT WAS LOOSE AND THE LOWER BOLT HAD BACKED OUT ALMOST COMPLETEY. *TT *SB
THE TIRES ON THE MOTORCYCLE WERE BOUGHT WITH UNEVEN WEAR, AND THE DEALER SANDED THEM WITH AN ORBIT SANDER. THE SECOND SET OF TIRES WERE NOT BALANCED, THEY SHOOK WHILE DRIVING. THE ENGINE IS NOT RUNNING CORRECTLY. TOOK TO DEALER FOR 16 DAYS. DEALER SAID IT WAS FIXED BUT IT WAS NOT. *AK
THE KICK STAND EXTENDER RIDES UP TOO HIGH. AS A RESULT, CONSUMER LOST BALANCE WHEN COMING TO A STOP, AND FELL OUT INTO ONCOMING TRAFFIC. NO INJURIES REPORTED. *AK
Official recalls
207V455000 · Fuel System, Gasoline:fuel Injection System
Sep 26, 2007
ON CERTAIN MOTORCYCLES, WHEN THE ENGINE IS RETURNING TO IDLE IT MAY STALL.
Consequence & remedy
Consequence: IF THE MOTORCYCLE STALLS, THE RIDER WILL HAVE TO RESTART THE ENGINE INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL INSPECT AND DOWNLOAD NEW ENGINE MANAGEMENT SOFTWARE FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 17, 2007. OWNERS MAY CONTACT TRIUMPH AT 678-854-2010.
05V004000 · Power Train:driveline:driveshaft
Jan 7, 2005
ON CERTAIN MOTORCYCLES, DAMAGE TO THE OIL SEAL OCCURRED DURING FINAL ASSEMBLY. ONCE DAMAGED SOME OF THE OIL IN THE DRIVE UNIT COULD ESCAPE PAST THE SEAL.
Consequence & remedy
Consequence: IF UNDETECTED THE FINAL DRIVE UNIT COULD RUN LOW OF OIL AND SEIZE CAUSING THE REAR WHEEL TO LOCKUP, WHICH COULD RESULT IN A CRASH.
Remedy: DEALERS WILL REPLACE THE FINAL DRIVE UNIT. THE RECALL BEGAN ON JANUARY 25, 2005. OWNERS MAY CONTACT TRIUMPH AT 678-854-2010.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1PE07030 · Motorcycle Stalling
Opened Jun 20, 2007 · Closed Oct 19, 2007
Status: closed (inferred from source dates) · Fuel System, Gasoline:fuel Injection System
FOLLOWING OUR OPENING OF THIS PE AND SUBSEQUENT DISCUSSIONS WITH TRIUMPH MOTORCYCLES LTD, THE COMPANY DECIDED TO LAUNCH A SAFETY-RELATED RECALL OF ALL ROCKET III MODEL MOTORCYCLES TO ADDRESS OCCURRENCES OF SUDDEN AND UN-FORESEEN TIP-OUT STALLING.THIS ACTION WAS TAKEN IN LIEU OF RESPONDING TO NHTSA'S INFORMATION REQUEST AND INVOLVES THE INSTALLATION OF AN UPGRADED ECU INCORPORATING REVISED ENGINE MANAGEMENT SOFTWARE. WITH TRIUMPH'S SAFETY-RELATED RECALL, THIS PE IS CLOSED.
Illustration