2001-2006 Honda TRX 300EX Sportrax 300EX Factory Service Manual, Page 88Get this manual
Quality of the image is intentionally reduced!
FUELSVSTEM TIghten the assembly screws securelyTHI'O"rTf VALVE ARM
Install the new O-ring on tho carburetor body groove securely_
Inslall the throttle velva cover and tighten screws