Honda Cb Series (likely Cb400 Or Cb450) Common Problems
Known issues to inspect before buying a used Honda Cb Series (likely Cb400 Or Cb450). What to check and how much repairs cost.
Carb jets clogged from ethanol fuel
MODERATECold start behavior, idle quality, throttle response hesitation
Fix cost: $50-$150
Cam chain stretch causing engine rattle
MODERATEMetallic ticking at idle, especially cold startup
Fix cost: $100-$300
DOHC valve clearances out of spec
SERIOUSService history records, ticking noise under load
Fix cost: $150-$400
Corroded or seized front brake caliper
MODERATEUneven brake drag, pulling to one side when braking
Fix cost: $50-$200
Pre-Purchase Checklist
☐Check for oil leaks around head gasket
☐Test all electricals and charging system
☐Inspect frame for cracks or prior crash
☐Compression test both cylinders minimum 150psi
Solid vintage bike, maintenance-dependent longevity