Yamaha Nmax 125/155 Common Problems
Known issues to inspect before buying a used Yamaha Nmax 125/155. What to check and how much repairs cost.
CVT belt and roller wear
MODERATESluggish acceleration, shuddering, or belt slipping noise
Fix cost: $80-$150
Fuel injector clogging
MODERATEHard cold starts, rough idle, poor fuel economy
Fix cost: $40-$100
Front fork oil leaks
MODERATEOil stains on fork legs, soft or bouncy front suspension
Fix cost: $60-$120
Battery drain from smart key system
MINORSlow crank or no-start after sitting few days
Fix cost: $30-$80
Pre-Purchase Checklist
βTest ride for smooth CVT acceleration
βCheck fork legs for oil residue
βInspect service history for belt changes
βVerify smart key and immobilizer work
Generally reliable, maintain CVT every 8000km