Harley-davidson Fat Bob Common Problems
Known issues to inspect before buying a used Harley-davidson Fat Bob. What to check and how much repairs cost.
Primary chain tensioner wear and noise
MODERATEListen for rattling on cold start near primary cover
Fix cost: $200-$500
Cam chain tensioner failure on Twin Cam engines
SERIOUSCheck for ticking noise, ask for service history
Fix cost: $500-$1500
Electrical gremlins and charging system issues
MODERATETest battery voltage, inspect stator and regulator outputs
Fix cost: $150-$600
Fuel pump failure and stalling
MODERATEListen for weak fuel pump hum, check for stall reports
Fix cost: $300-$700
Pre-Purchase Checklist
โPull service records, verify cam tensioner done
โCold start test, listen for chain rattle
โCheck charging voltage at idle and revs
โInspect for crash damage on lower frame rails
Decent if maintained, avoid neglected examples