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All Bikes/Harley-davidson/Fat Boy/Problems
← Back to Harley-davidson Fat Boy

Harley-davidson Fat Boy Common Problems

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

Primary chain tensioner wear causing noise

MODERATE

Listen for clunking on cold start at idle

Fix cost: $200-$500

Cam chain tensioner failure on Twin Cam

SERIOUS

Check for ticking noise, ask for service history

Fix cost: $500-$1500

Compensator sprocket wear and shudder

MODERATE

Feel for rough engagement when pulling from stop

Fix cost: $300-$800

Fork seal leaks on front suspension

MINOR

Inspect lower fork legs for oil residue staining

Fix cost: $150-$350

Pre-Purchase Checklist

☐Cold start it, listen for odd noises
☐Check for oil leaks around primary cover
☐Inspect tires and brake pad thickness
☐Verify VIN matches title, no salvage title

Solid bike, maintenance history is everything