Triumph Tiger 660 Sport Common Problems
Known issues to inspect before buying a used Triumph Tiger 660 Sport. What to check and how much repairs cost.
Throttle-by-wire glitches causing jerky low-speed fueling
MODERATETest slow roll-on in traffic, check for ECU updates
Fix cost: $0-$150
Clutch slave cylinder seal leaks on early units
MODERATEInspect clutch lever feel, look for fluid weeping near engine
Fix cost: $150-$350
Front brake caliper sticking after low-mileage neglect
MODERATEFeel for uneven drag, check rotor for hot spots or scoring
Fix cost: $100-$250
Exhaust header bluing from lean fueling map
MINORCheck headers for excessive blue tint, ask about remap history
Fix cost: $0-$200
Pre-Purchase Checklist
☐Confirm all service intervals completed on time
☐Test ride focusing on smooth throttle response
☐Check for any active Triumph recall campaigns
☐Inspect frame and swingarm for crash damage signs
Generally solid, minor niggles, well-maintained examples fine