AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2008 Triumph Rocket Iii

Overall rating NHTSA-grounded

Below average

Estimated 5-year repair + maintenance cost: $5,000–$12,000

The 2008 Triumph Rocket III shows above-average risk for power train issues with multiple complaints. A recall regarding engine stalling further impacts reliability, while repair costs for common issues can be significant.

Most-common failures

Part Typical mileage Cost range Frequency
power train20,000–40,000 miles$1,500–$3,000common
fuel injection system15,000–30,000 miles$500–$1,500common
engine30,000–50,000 miles$2,000–$4,000occasional

Scheduled maintenance to budget

Routine items every owner should plan for.

  • Oil and filter changes
  • Brake fluid replacement
  • Coolant replacement
  • Spark plug replacement
  • Inspect drive belt
  • Throttle body synchronization

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • Rough idling
  • Unresponsive throttle
  • Stalling at idle
  • Noise from power train
  • Uneven wheel wear

Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.