Menu
🏍️
Bikes
⭐
Reviews
⚖️
Compare
📚
Guides
📊
Samples
camera_alt
Free Inspection
Start a new bike check
Privacy
Terms
All Bikes/Harley-davidson/Dyna Fat Bob/Problems
← Back to Harley-davidson Dyna Fat Bob

Harley-davidson Dyna Fat Bob Common Problems

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

Primary chain tensioner wear causes clunking noise

MODERATE

Listen for clunking on cold start at idle

Fix cost: $150-$400

Cam chain tensioner failure on Twin Cam engines

SERIOUS

Ticking noise, check service history for upgrade

Fix cost: $400-$900

Rear isolator mount bushing deterioration

MODERATE

Excessive vibration, inspect rubber mounts visually

Fix cost: $200-$500

Stator and regulator rectifier charging failure

SERIOUS

Check battery voltage at idle, look for burnt wiring

Fix cost: $300-$700

Pre-Purchase Checklist

☐Pull service records and cam tensioner history
☐Test ride cold to catch chain noise early
☐Check charging system voltage with multimeter
☐Inspect frame welds and isolator mounts closely

Solid bike, maintain cam system religiously