1999-2002 TRX400EX Fourtrax Service Manual, Page 68Get this manual

1999-2002 TRX400EX Fourtrax Service Manual, Page 68

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FUEL SYSTEM Check the jet needle for stepped wear or damageCheck the throttle valve for scoring, scratches or damageTHROTILE VALVE
Remove the pump cover, spring and the diaphragm, being careful