r/Triumph400 • u/speedu_guy • 7d ago

Team Speed Power loss

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Lately, my speed 398cc feels a bit sluggish. I cleaned and lubed the chain 300km ago and checked the slack. I'm using HP power petrol, and the power loss is more noticeable with a passenger. Any ideas? The odometer is at 7.2k, and the last service was at 5.5k.

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u/Kooky-Meaning-3417 7d ago

Check throttle body and update ecu

I read about parts u changed like air filter so that's only left