1985-1987 Honda TRX 250 Fourtrax 250 Service Manual, Page 48Get this manual

FUEL SYSTEM PISTON THROTTLE VALVE Install the needle clip on the jet needleSTANDARD SETTING3rd groove
Install the piston throttle valve in the reverse order of removal
(11 JET NEEDLE
121 3,d GROOVE

THROTTLE VALVE SYNCHRONIZATION
Close the butterf ly throttle valve fully

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives