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
MODERATEListen for clunking on cold start at idle
Fix cost: $200-$500
Cam chain tensioner failure on Twin Cam
SERIOUSCheck for ticking noise, ask for service history
Fix cost: $500-$1500
Compensator sprocket wear and shudder
MODERATEFeel for rough engagement when pulling from stop
Fix cost: $300-$800
Fork seal leaks on front suspension
MINORInspect 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