Harley-davidson Dyna Fat Bob (fxdf) Common Problems
Known issues to inspect before buying a used Harley-davidson Dyna Fat Bob (fxdf). What to check and how much repairs cost.
Cam chain tensioner shoe wear (2006-2006 Twin Cam)
SERIOUSOil pressure light, metal flakes in oil filter
Fix cost: $1000-$2000
Excess rear cylinder heat and heat soak
MODERATEStalling when hot, idle quality, tune status
Fix cost: $150-$600
Twin Cam 96 compensator sprocket noise/failure
MODERATERattle at startup and low-rpm from primary
Fix cost: $400-$900
Front fork seal leaks and worn steering head bearings
MINOROil on lower legs, notchy bars at center
Fix cost: $200-$500
Pre-Purchase Checklist
☐Cold start, listen for primary rattle
☐Cut open or inspect oil filter
☐Check for aftermarket tune with exhaust
☐Verify service records and cam service history
Solid if serviced; known cam/compensator weak points