1988-1994 Honda TRX300 Fourtrax, 1988, 1990-1994 TRX300FW Fourtrax Service Manual, Page 61Get this manual
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FUEL SYSTEM
(11) FLOAT
(12) FLOAT CHAMBER
(17) NEEDLE JET
r-l- (16) NEEDLE
JET HOLDER (19) PILOT SCREW (15) MAIN JET
(13) PRIMER