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So on my 09 raptor 350 I have a je 12:1 piston, stage 1 hotcam,kibblewhite vaules and spring kit ,h&n filter with no lid,dynatek cdi box ,full yoshimura exushat, im running a 25 pilot and a 150 main, also running 112 race fuel. My problem is when riding it , it wont rev on top end, misfiring alot. Ive went up and down on the jets but nothing seems to work, do anyone think it could be the dynatek cdi thats making it run like this?? Should I reinstall the stock cdi box???
 

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Master of the Electron
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Changing the CDI back to stock is an easy swap to find out.

What's your plug look like? Occasionally a bad plug, spark plug wire or coil can cause misfire at high RPM under load.

Also check that the orange wire from CDI to spark coil is clean and tight at the coil connection, and do the same with the black coil ground wire.
 

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I am unique
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So on my 09 raptor 350 I have a je 12:1 piston, stage 1 hotcam,kibblewhite vaules and spring kit ,h&n filter with no lid,dynatek cdi box ,full yoshimura exushat, im running a 25 pilot and a 150 main, also running 112 race fuel. My problem is when riding it , it wont rev on top end, misfiring alot. Ive went up and down on the jets but nothing seems to work, do anyone think it could be the dynatek cdi thats making it run like this?? Should I reinstall the stock cdi box???
The Dyna ignition seemed to help our 93 Warrior, your fuel selection has too much octane, get it down around the 98 area.
150 main should be in the ball park, that is about 8 numbers higher then stock................
What needle are you using...............
 
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