What causes Carb jetting too lean from factory on the Suzuki Dr-z400?

Popping on decel, flat spots during acceleration Estimated fix cost: $20-$80

What causes Cam chain tensioner wear and noise on the Suzuki Dr-z400?

Ticking rattle on cold start, top end noise Estimated fix cost: $50-$150

Battery dies repeatedly, test charging voltage at idle Estimated fix cost: $150-$300

Check valve clearances, inspect kickstart ratchet mechanism Estimated fix cost: $30-$100

Known issues to inspect before buying a used Suzuki Dr-z400. What to check and how much repairs cost.

MODERATE

Popping on decel, flat spots during acceleration

Fix cost: $20-$80

MODERATE

Ticking rattle on cold start, top end noise

Fix cost: $50-$150

SERIOUS

Battery dies repeatedly, test charging voltage at idle

Fix cost: $150-$300

MINOR

Check valve clearances, inspect kickstart ratchet mechanism

Fix cost: $30-$100

☐Cold start the bike before buying

☐Check for oil leaks around head gasket

☐Inspect frame for cracks or welds

☐Verify proper charging with multimeter test

Very reliable, parts cheap, long lifespan