Yamaha Mt-15 Common Problems
Known issues to inspect before buying a used Yamaha Mt-15. What to check and how much repairs cost.
Gear shifting stiffness or false neutrals
MODERATEShift through all gears during test ride carefully
Fix cost: $30-$80
Radiator fan failure or overheating
SERIOUSIdle for 5 mins, confirm fan kicks on
Fix cost: $60-$150
Throttle body sync issues causing rough idle
MODERATECheck idle stability and throttle response at warmup
Fix cost: $40-$100
Chain and sprocket wear from poor maintenance
MINORInspect chain slack, sprocket teeth for hooking
Fix cost: $50-$120
Pre-Purchase Checklist
βCheck service history and oil change records
βInspect frame for crash damage or welds
βTest ABS braking function if equipped
βVerify VIN matches all documents and plates
Reliable if maintained, check service history first