1995-2003 Honda Foreman TRX400FW TRX400 TRX 400 400FW Service Manual, Page 88Get this manual
FUEL SYSTEM PRIMER KNOB femoIIe tile set plmer knob :Iopring
m PRIMER ",m
act Tile dlaph,agm 10 lu,S 0' othe,
DIAPHRAGMVACUUM PISTON
The dl.ph,.gm""l(:uum pitton CI'" be femovl-d wlihoul ,_1"11 the IIoac chlmber
'" "',.movlng the foor