What causes Carburetor clogging and rough idle on the Jawa 42 Bobber?

Cold start behavior, idle stability, throttle response Estimated fix cost: $40-$120

What causes Electrical gremlins, weak charging system on the Jawa 42 Bobber?

Battery voltage at idle, indicator lights functioning Estimated fix cost: $50-$200

Inspect tank interior, check petcock for drips Estimated fix cost: $80-$300

Bounce test rear end, look for oil leaks Estimated fix cost: $60-$180

Known issues to inspect before buying a used Jawa 42 Bobber. What to check and how much repairs cost.

MODERATE

Cold start behavior, idle stability, throttle response

Fix cost: $40-$120

MODERATE

Battery voltage at idle, indicator lights functioning

Fix cost: $50-$200

SERIOUS

Inspect tank interior, check petcock for drips

Fix cost: $80-$300

MINOR

Bounce test rear end, look for oil leaks

Fix cost: $60-$180

☐Test cold start without choke assistance

☐Check all lights and horn function

☐Look for rust inside fuel tank

☐Inspect frame welds near rear bobber section

Decent budget bike, needs attentive maintenance always