What causes Regulator/rectifier failure, kills battery on the Harley-davidson Night Rod Special?

Test voltage output at idle and revs Estimated fix cost: $150-$400

What causes Cam chain tensioner wear and noise on the Harley-davidson Night Rod Special?

Listen for ticking on cold start Estimated fix cost: $300-$600

Check for hesitation or hard starting Estimated fix cost: $200-$500

Inspect lower legs for oil residue Estimated fix cost: $100-$250

Known issues to inspect before buying a used Harley-davidson Night Rod Special. What to check and how much repairs cost.

SERIOUS

Test voltage output at idle and revs

Fix cost: $150-$400

MODERATE

Listen for ticking on cold start

Fix cost: $300-$600

SERIOUS

Check for hesitation or hard starting

Fix cost: $200-$500

MINOR

Inspect lower legs for oil residue

Fix cost: $100-$250

☐Pull service history and mileage records

☐Check for aftermarket tune with stock exhaust

☐Inspect frame for crash damage or welds

☐Cold start the bike yourself before buying

Solid but electrical issues bite neglected bikes