What causes Noisy cam chain and tensioner wear on the Yamaha Jupiter Z (110)?

Rattling top-end noise at idle and cold start Estimated fix cost: $30-$80

What causes Clutch slip and hard gear shifting on the Yamaha Jupiter Z (110)?

Revs rise without acceleration, false neutrals uphill Estimated fix cost: $40-$90

Wet grime around left case, kickstart, drain bolt Estimated fix cost: $15-$50

Grinding whirr on start, dim horn and lights Estimated fix cost: $25-$70

Known issues to inspect before buying a used Yamaha Jupiter Z (110). What to check and how much repairs cost.

MODERATE

Rattling top-end noise at idle and cold start

Fix cost: $30-$80

MODERATE

Revs rise without acceleration, false neutrals uphill

Fix cost: $40-$90

MINOR

Wet grime around left case, kickstart, drain bolt

Fix cost: $15-$50

MINOR

Grinding whirr on start, dim horn and lights

Fix cost: $25-$70

☐Cold start, listen for top-end rattle

☐Test all four gears under load

☐Check frame and swingarm for rust

☐Verify papers, engine and frame numbers

Tough simple engine, cheap parts, high-mileage wear common