1997-2004 Honda Fourtrax Recon TRX250TE/TM Service Manual, Page 98Get this manual
FUEL SYSTEM
HIGH ALTITUDE ADJUSTMENT
SPECIFICATIONS
Below 5,000 ft
Between 3,0008,000 ft
Main 'at Pilot screw opening
Factory preset
(10002,500 m)92
18 turns in from factorY oresel
The carburetor must be adjust ed for high altitude
riding (between 3,000-8,000 fVl,OOO2,500 mISTANDARD SETTING: Below 5,000 ft (1,500 m)
HIGH AlnTUDe SETIlNG: Between 3,0008,000 ft (1,000- 2,500 m)