What causes Seized or worn top end piston/rings on the Yamaha Dt 175?

Compression test, listen for rattling at idle Estimated fix cost: $80-$200

What causes Clogged or damaged carburetor jets on the Yamaha Dt 175?

Hard starting, rough idle, fuel smell in airbox Estimated fix cost: $20-$60

Erratic idle, poor low-end power response Estimated fix cost: $30-$70

Inspect tank interior with flashlight for rust flakes Estimated fix cost: $40-$150

Known issues to inspect before buying a used Yamaha Dt 175. What to check and how much repairs cost.

SERIOUS

Compression test, listen for rattling at idle

Fix cost: $80-$200

MODERATE

Hard starting, rough idle, fuel smell in airbox

Fix cost: $20-$60

MODERATE

Erratic idle, poor low-end power response

Fix cost: $30-$70

MODERATE

Inspect tank interior with flashlight for rust flakes

Fix cost: $40-$150

☐Do a cold start test immediately

☐Check exhaust for excessive blue smoke

☐Inspect frame for cracks near welds

☐Verify gearbox shifts cleanly through all gears

Solid if maintained, neglect kills them fast