IllustrationSQUEALING NOISE COMING FROM PRIMARY GETS LOUDER AS IT REACHES NORMAL OPERATING TEMPERATURE. DEALER SAYS THEY DON'T KNOW WHAT IS WRONG. AFTER MANUFACTURER HAD THE BIKE FOR 3 WEEKS, THEY SAID "WE GAVE IT OUR BEST SHOT WITH OUR BEST TECH, HAVE YOUR ATTORNEY CALL US". ONE OF NUMEROUS PROBLEMS NOT FIXED. *NM
2004 Bigdog Mastiff
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 Mastiff years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 2 of 2 reports include usable mileage. There isn’t enough coverage to show a useful chart.
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 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
Power Train complaints
1 reportsOfficial recalls
406V019000 · Structure:motorcycle:kickstand/center Stand
Jan 25, 2006
ON CERTAIN MOTORCYCLES, THE KICKSTAND SPRING MAY STRETCH AND DETACH FROM THE MOUNTING BRACKET OR THE KICKSTAND.
Consequence & remedy
Consequence: THIS WILL ALLOW THE KICKSTAND TO DEPLOY INTO THE EXTENDED POSITION AND CAUSE A CRASH.
Remedy: DEALERS WILL INSTALL A NEW KICKSTAND SPRING FREE OF CHARGE. THE RECALL BEGAN ON FEBRUARY 17, 2006. OWNERS MAY CONTACT BIG DOG AT 316-267-9121.
04V523000 · Structure:motorcycle:kickstand/center Stand
Nov 2, 2004
ON CERTAIN MOTORCYCLES, THE KICKSTAND SPRING ATTACHING STUD MAY BREAK OFF ALLOWING THE KICKSTAND TO DEPLOY INTO THE EXTENDED POSITION.
Consequence & remedy
Consequence: IF THE KICKSTAND DEPLOYS, IT COULD CAUSE A CRASH WITHOUT PRIOR WARNING.
Remedy: DEALERS WILL INSPECT AND INSTALL A NEW KICKSTAND UNIT. THE RECALL BEGAN ON DECEMBER 20, 2004. OWNERS SHOULD CONTACT BIG DOG AT 316-267-9121.
04V164000 · Steering: Steering Wheel/handle Bar
Apr 6, 2004
ON CERTAIN MOTORCYCLES, A SCREW MAY BECOME LOOSE IN THE HANDLEBAR CONTROL DUE TO THE LACK OF A LOCK WASHER AND LOCTITE.
Consequence & remedy
Consequence: THIS COULD CAUSE THE THROTTLE OR FRONT BRAKE CONTROL TO BIND, WHICH COULD RESULT IN A CRASH.
Remedy: DEALERS WILL INSTALL A LOCK WASHER AND LOCTITE. OWNER NOTIFICATION BEGAN ON APRIL 12, 2004. OWNERS SHOULD CONTACT BIG DOG AT 1-316-219-7006.
04V137000 · Service Brakes, Hydraulic:foundation Components:master Cylinder
Mar 23, 2004
ON CERTAIN MOTORCYCLES, THE PISTON IN THE REAR MASTER CYLINDER MAY HAVE BEEN IMPROPERLY SIZED, WHICH COULD CAUSE THE REAR BRAKES TO DRAG OR LOCKUP.
Consequence & remedy
Consequence: THIS COULD RESULT IN A CRASH.
Remedy: DEALERS WILL REMOVE THE PISTON FROM THE REAR MASTER CYLINDER AND REPLACE IT WITH A NEW PISTON. OWNER NOTIFICATION BEGAN ON APRIL 12, 2004. OWNERS SHOULD CONTACT BIG DOG AT 1-316-267-9121.
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
0No exact-year investigations in this snapshot.