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Spark Plug Gap

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Hello again all. Sorry if this a stupid question but what's the correct gap for a 2006 txt pro 280? And do all trials bikes run the same gap?

Thanks bounce.

I used to set mine to 0.6.

A few months ago I noticed I was getting a slight mis fire at the top end of the revs, I changed the plug and it didn't cure it.

To cut a long story short I changed the plug a few times after checking all other stuff and then it suddenly stopped.

What I found a few rides later when I checked the plug, I forgot to gap it so I set it to 0.6 and then the mis fire started again.

I re gapped the same plug to 0.8 and the bike was fine again and running sweet.

If you have a healthy stator running 0.7 to 0.8 will be fine, Don't go any larger as it may put strain on the electrics.

Big gap seems to be better! mine is 0.7 and runs great :thumbup:

These questions are not stupid if you don't know then ask, The details in different manuals all vary.

e.g. Electrode gap

GasGas say 0.6 to 0.7mm

GasGas USA say 0.9mm

Fuel mix says 2% (50:1) when 1.33% (75:1) is preferred.

Gear oil quantity says 550ml this was right for 'pre Pro' models but this was cut + pasted into the Pro manual and should more like 350ml.

Edited by richt

  • 4 weeks later...
  • Author

Thanks for the info lads it's helped me a lot.

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