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OlaGB

Jetting.. once again..

12 posts in this topic

Jetting.. once again.. Only a little problem.

Installed JD kit, zip ty screw, hotcams in/ex, and a FMFq slipon.

Everything works great.. Going with 170mj, blue needle 4th clip. The rest is stock.

But when i am riding at normal speeds on the road, say 40-50mph, the enginge miss a little.. Almost as a plug/spark problem.. Every 10-15`th second it get 1 little miss.. a little more throttle, and nothing`s wrong..

Great response as well..

Is it the needle that needs to be down/up 1 clip, or do i need to change pilot jets or something else?

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If the TPS does not work try the red needle on the 4th or 5th clip. I had studder problems with the blue at 4th and 3rd. After installing the red at 4 cleaned right up. Good luck.

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Thank you for great help! Dropped the needle 1clip, and adjusted fuel screm from 1 3/4 down to 1turn..

Much better!

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Nice to hear!

Remember, rich will run rough like you experienced and lean will make it run like it is breathing real hard and won't pick up speed easily.

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Is the White Bros pipe on my 01 426F compatible to place on a 05 WR 450?

Thanks!

no, only '03 - '05 same.

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I `ve got an european WR, so i don`t think the cutting of the grey wire would work on mine?

Or?

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Just pull it out of the harness. Don't cut it. Wrap some electrical tape around it.

You can reconnect it up if it does nothing for you.

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Hmm ok, i will look into some threads about it for locating it, and try cutting it..

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