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need help with jetting specs- 06 yz250f

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2006 Yamaha YZ250F needs to be rejetted... I have everything at the stock setting which is

#178 Main Jet

#42 Pilot Jet

OBELQ Jet Needle

#80 Leak Jet

The track i ride at is 152 m above sea level... what should i change

BTW- Only mod that MIGHT make a difference in my jetting is a ready racing air filter

thanks in advance :applause:

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