2025 TRIUMPH SPEED 400 Engine Problems
1 NHTSA complaint on file
Engine Issues in the 2025 TRIUMPH SPEED 400
1 engine complaint has been filed with NHTSA for the 2025 TRIUMPH SPEED 400. Of these, 0 involved a crash, 0 involved a fire, and 0 resulted in injury.
1
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
All Engine Complaints
While riding at 15 to 20 miles an hour, the motorcycle engine installed without warning, causing a loss of power. This required an emergency maneuver to avoid being hit from behind. This is a recurring issue documented by the dealer.