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has anybody tried a hotter spark plug? i think i need to go hotter but i have heard rumor of burning a hole in the piston and i dont want to do that.

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Still having jetting problems? Have you checked the TPS? A hotter plug will not be the solution, especially if the problem is electrical.

If you need instruction on checking the TPS, let me know.

Exactly what jetting, modifications, temperature and elevation are you riding in?

Let us know.



86TT225, 99WR, WR timing, throttle stop trimmed, air box lid removed, White Bros head pipe, silencer and air filter. De-octopussed. Works frame guards and Thumper Rad Guards, Scotts steering damper. Odometer and headlight removed. Moose hand and mud guards. YZ stock tank, IMS seat and number plate. Renthal Jimmy Button "highs" and Renthal Soft half waffle grips. AMA, SETRA, Happy Ramblers MXC.

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