What causes Carb/throttle body gumming from ethanol fuel on the Yamaha Xt660r?

Cold start behaviour, rough idle, hesitation on acceleration Estimated fix cost: $50-$150

What causes Rear subframe cracking near seat mounts on the Yamaha Xt660r?

Flex or cracks around rear frame welds visually Estimated fix cost: $200-$600

Ticking at idle, ask for service history records Estimated fix cost: $150-$300

Oil residue below fork legs on inspection Estimated fix cost: $80-$200

Known issues to inspect before buying a used Yamaha Xt660r. What to check and how much repairs cost.

MODERATE

Cold start behaviour, rough idle, hesitation on acceleration

Fix cost: $50-$150

SERIOUS

Flex or cracks around rear frame welds visually

Fix cost: $200-$600

MODERATE

Ticking at idle, ask for service history records

Fix cost: $150-$300

MINOR

Oil residue below fork legs on inspection

Fix cost: $80-$200

☐Check subframe welds for cracks

☐Cold start test, listen for ticking

☐Inspect forks for oil seepage

☐Request full service history documents

Solid dual-sport, well maintained examples last long