What causes Throttle-by-wire glitches causing hesitation on the Triumph Daytona 660?

Test throttle response at low RPM, check for software updates Estimated fix cost: $100-$300

What causes Exhaust header discoloration and bluing on the Triumph Daytona 660?

Inspect headers for excessive heat damage or warping Estimated fix cost: $0-$150

Look under engine for coolant residue or wet staining Estimated fix cost: $200-$450

Check clutch feel, inspect slave cylinder for fluid seepage Estimated fix cost: $150-$350

Known issues to inspect before buying a used Triumph Daytona 660. What to check and how much repairs cost.

MODERATE

Test throttle response at low RPM, check for software updates

Fix cost: $100-$300

MINOR

Inspect headers for excessive heat damage or warping

Fix cost: $0-$150

MODERATE

Look under engine for coolant residue or wet staining

Fix cost: $200-$450

MODERATE

Check clutch feel, inspect slave cylinder for fluid seepage

Fix cost: $150-$350

☐Verify full Triumph service history exists

☐Check for recall completion via VIN

☐Cold-start the engine, listen for knocks

☐Inspect fairings for crash repair signs

Generally solid but still early production model