Harley-davidson Road King Common Problems
Known issues to inspect before buying a used Harley-davidson Road King. What to check and how much repairs cost.
Compensator sprocket wear and failure
SERIOUSListen for clunking noise on cold startup at idle
Fix cost: $300-$600
Cam chain tensioner failure on Twin Cam
SERIOUSTicking or rattling at startup, check service history
Fix cost: $500-$1200
Fuel pump failure or weak pressure
MODERATEHard starts, sputtering at highway speeds under load
Fix cost: $200-$450
Leaking inner primary gasket or seal
MINOROil puddles under left engine side, inspect gasket area
Fix cost: $150-$350
Pre-Purchase Checklist
☐Cold start the bike before buying
☐Check for oil leaks under engine and primary
☐Pull service records for cam tensioner updates
☐Test ride at highway speed for fuel issues
Solid bike, maintain it and it lasts