What causes Cam chain tensioner failure on older models on the Harley-davidson Sportster 1200 Custom?

Listen for ticking at idle, check service history Estimated fix cost: $300-$800

What causes Oil leaks from rocker boxes and pushrod tubes on the Harley-davidson Sportster 1200 Custom?

Inspect gaskets around top end for wet residue Estimated fix cost: $150-$400

Test charging voltage, look for dimming lights Estimated fix cost: $100-$250

Grab engine and check for excessive movement Estimated fix cost: $80-$200

Known issues to inspect before buying a used Harley-davidson Sportster 1200 Custom. What to check and how much repairs cost.

SERIOUS

Listen for ticking at idle, check service history

Fix cost: $300-$800

MODERATE

Inspect gaskets around top end for wet residue

Fix cost: $150-$400

MODERATE

Test charging voltage, look for dimming lights

Fix cost: $100-$250

MINOR

Grab engine and check for excessive movement

Fix cost: $80-$200

☐Check for oil pooling under engine cases

☐Start cold and listen for top-end noise

☐Test battery and charging system voltage

☐Verify title is clean, no salvage history

Solid if maintained, watch pre-2004 cam tensioners