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Discussion Starter #1
What size main jet works best below 3000 ft? Mine had a 153.8 stock, I put the 155 in that came with the dyno-jet kit. Seems too rich now, no power! Might try the 150. Anyone have advice? Thanks
 

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Why you changing the jet? Have you done other modifications? Have you done plug check?
 

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Does anyone know what the stock jet size on the grizzly is?
 

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153.8 Mikuni small round
 
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