2004 Big Dog Mastiff Problems
- Complaints
- 6filed with NHTSA
- Median mileage
- 5,000miles, 5 complaints with mileage
- Recalls
- 5campaigns on record
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
Sources: NHTSA records for the 2004 Big Dog Mastiff (complaints, recalls, investigations). Report an error
NHTSA recorded 6 consumer complaints for the 2004 Big Dog Mastiff. The part named most often is electrical system, with 5 complaints (83% of the total), followed by exterior lighting (2) and transmission and drivetrain (1). 5 of the complaints include a mileage, and 100% of those were filed for vehicles with under 50,000 miles; the median is 5,000 miles. NHTSA lists 5 recall campaigns and 6 technical service bulletins for this model year. Electrical system complaints overlap with 1 recall campaign and 3 technical service bulletins filed under the same part. Exterior lighting complaints overlap with 1 technical service bulletin filed under the same part.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Electrical system5 83%
- Exterior lighting2 33%
Example complaints
Electrical system: “The electrical system had intermittent problems since the bike was new. Headlight would flicker on & off, rear tail lights flashed on & off. Nothing was found when bike was taken to local dealer for routine maintenance. Ehc module completely failed now and bike will not run. Told the replacement part is not yet available and when it is, it will cost well over $1000.00 to repair and big dog refuses to cover it and said sorry, bike is out of warranty . I have never been contacted about a recall.”
NHTSA complaint #10374072, filed 2011-01, 12,000 milesTransmission and drivetrain: “Squealing 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.”
NHTSA complaint #10165706, filed 2006-08, 4,600 milesMileage when problems were reported
100% of the 5 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 4,600 and 8,000 miles.
Complaints by year filed
Fewer than 15 complaints, too few for a reliable trend.
Recalls and investigations
- 10V180000May 3, 2010Electrical systemCovers: Big Dog Mastiff 2004, Chopper 2004, Ridgeback 2004 +3 more
Big dog is recalling certain 2004 chopper, bulldog, ridgeback, mastiff, boxer, and pitbull motorcycles. There is a possible loose connection between the harness connector and the electronic harness controller.
- 06V019000Jan 25, 2006Structure › Motorcycle › Kickstand/center standCovers: Big Dog Mastiff 2004–2006, Chopper 2004–2006, Ridgeback 2004–2006 +5 more
On certain motorcycles, the kickstand spring may stretch and detach from the mounting bracket or the kickstand.
- 04V523000Nov 2, 2004Structure › Motorcycle › Kickstand/center standCovers: Big Dog Mastiff 2003–2004, Chopper 2003–2004, Ridgeback 2004 +4 more
On certain motorcycles, the kickstand spring attaching stud may break off allowing the kickstand to deploy into the extended position.
- 04V164000Apr 6, 2004Steering › Steering wheel/handle barCovers: Big Dog Mastiff 2004, Chopper 2004, Ridgeback 2004 +3 more
On certain motorcycles, a screw may become loose in the handlebar control due to the lack of a lock washer and loctite.
- 04V137000Mar 23, 2004Service brakes, hydraulic › Foundation components › Master cylinderCovers: Big Dog Mastiff 2004, Chopper 2004, Ridgeback 2004 +4 more
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.
Recall details for the 2004 Big Dog Mastiff → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 6 on record; the latest 6 are shown.
- 10026832Jan 11, 2008Fuel system. Bigdog motorcycle: fuel tank vent may become flooded with fuel, causing the motorcycle to run poorly due to a fuel mixture that is too rich.
- 10020152Jun 30, 2006Electrical system. Horn harness wires may break.
- 10020045Jun 23, 2006Electrical system. Ehc contact improvement procedure (revised). Current seal does not allow connector pins to seat properly and moisture may be present in connector.
- 10020065Jun 16, 2006Exterior lighting. Headlamp connector may melt, making bulb replacement difficult.
- 10019909May 3, 2006Electrical system. Dielectric grease addition to connectors.
- 10019984Apr 27, 2006Body and structure. Tachometer board replacement - inaccurate tachometer readings or fluctuation in readings due to moisture.
Other model years of the Big Dog Mastiff
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2004 | 6 | 5,000 | 5 | — | — | — | Not enough data |
All Big Dog Mastiff model years
Frequently asked questions
How many NHTSA complaints does the 2004 Big Dog Mastiff have?
NHTSA recorded 6 consumer complaints for the 2004 Big Dog Mastiff as of Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2004 Big Dog Mastiff is reported most often?
Electrical system is named most often, in 5 complaints (83% of the total), followed by exterior lighting with 2.
Has the 2004 Big Dog Mastiff been recalled?
NHTSA lists 5 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
At what mileage are problems with the 2004 Big Dog Mastiff reported?
Among the 5 complaints that include a mileage, the median is 5,000 miles and the middle half falls between 4,600 and 8,000 miles; 100% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.