What causes Stator/charging system failure on the Yamaha Xsr155?

Battery voltage at idle, look for dimming lights Estimated fix cost: $150-$300

What causes Throttle body sensor issues causing rough idle on the Yamaha Xsr155?

Cold start behavior, idle hunting or stalling Estimated fix cost: $80-$200

Cold start metallic rattle from engine top end Estimated fix cost: $100-$250

Oil residue on fork tubes, soft front suspension feel Estimated fix cost: $60-$150

Known issues to inspect before buying a used Yamaha Xsr155. What to check and how much repairs cost.

SERIOUS

Battery voltage at idle, look for dimming lights

Fix cost: $150-$300

MODERATE

Cold start behavior, idle hunting or stalling

Fix cost: $80-$200

MODERATE

Cold start metallic rattle from engine top end

Fix cost: $100-$250

MINOR

Oil residue on fork tubes, soft front suspension feel

Fix cost: $60-$150

☐Check service history and valve clearance records

☐Test ride cold start for unusual noises

☐Inspect frame for crash damage or welds

☐Verify charging voltage with multimeter at 3000rpm

Generally reliable, maintain well, avoid neglected examples