What causes Cam chain tensioner rattle on startup on the Yamaha Xt 660?

Listen for ticking noise on cold start Estimated fix cost: $50-$150

What causes Cracked or warped exhaust header pipe on the Yamaha Xt 660?

Inspect welds and joints for cracks or soot Estimated fix cost: $80-$250

Look for oil residue below fork tubes Estimated fix cost: $60-$150

Test idle stability and throttle response Estimated fix cost: $100-$300

Known issues to inspect before buying a used Yamaha Xt 660. What to check and how much repairs cost.

MODERATE

Listen for ticking noise on cold start

Fix cost: $50-$150

MODERATE

Inspect welds and joints for cracks or soot

Fix cost: $80-$250

SERIOUS

Test idle stability and throttle response

Fix cost: $100-$300

MINOR

Look for oil residue below fork tubes

Fix cost: $60-$150

☐Check service history and valve clearance records

☐Test ride for smooth fueling and idle

☐Inspect frame for cracks near swingarm pivot

☐Verify cooling fan operation at temperature

Solid thumper, reliable with basic maintenance