What causes Cam chain tensioner failure (pre-2000 models) on the Harley-davidson Sportster?

Listen for ticking at idle, ask service history Estimated fix cost: $300-$600

What causes Oil leaks from rocker boxes and pushrod tubes on the Harley-davidson Sportster?

Inspect gaskets for wet oil residue around engine Estimated fix cost: $150-$400

Clunking sound on startup or throttle application Estimated fix cost: $200-$500

Test battery voltage, check for dimming lights Estimated fix cost: $100-$350

Known issues to inspect before buying a used Harley-davidson Sportster. What to check and how much repairs cost.

SERIOUS

Listen for ticking at idle, ask service history

Fix cost: $300-$600

MODERATE

Inspect gaskets for wet oil residue around engine

Fix cost: $150-$400

MODERATE

Clunking sound on startup or throttle application

Fix cost: $200-$500

MODERATE

Test battery voltage, check for dimming lights

Fix cost: $100-$350

☐Check for oil leaks under engine and primary

☐Start cold, listen for unusual ticking noises

☐Inspect frame for cracks near neck welds

☐Verify title is clean, no salvage history

Solid bike, maintain well, avoid neglected examples