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View Full Version : FMF Fatty exhaust for an 85 250R jetting specs



Chris McDaniel
09-23-2004, 01:39 PM
Anybody out there at sea level know what jets, needle clip position and air screw settings are? for a full FMF headpipe and silencer on a 1985 250R 3 wheels? My trike is all stock right now and runs hard.

OldSchoolin86
09-23-2004, 01:42 PM
Main jet 145
Pilot Jet 42
Needle @ stock
Air screw 1.5 out