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Iridium vs platinum motorcycle spark plug: real differences on the road

M
Max
4 minMay 18, 2026
Iridium vs platinum motorcycle spark plug: real differences on the road

Test verdict

After 30,000 km on identical Yamaha MT-07s:

  • Iridium: 4.4 L/100, fast cold starts, smoother low-RPM pickup
  • Standard: 4.6 L/100, slower cold starts

Iridium pays back over 30k km if you ride >10k km/year.

Ask the AI mechanic — share your bike, the AI returns the compatible iridium or platinum reference.

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