1997-2001 Honda TRX250 Fourtrax Recon Service Manual, Page 86Get this manual
FUEL SYSTEM
HIGH ALTITUDE ADJUSTMENT
SPECIFICATIONS
PI LOT SCREW
I 5, 000ft
(1,500 m) :;+ 95 Pilot screw Facto ry prese opening
Betwee 3,0008,000 ft (1,0002,500 ml :;+ 92 18turns in from factory preset