1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 71Get this manual
FUEL SYSTEMCARBURETION Carburetor Specifications and Initial Settings 1999 SLTX
Carburetor Type Size Main Jet Mid Jet Pilot Jet High Speed Screw Low Speed Screw Idle Speed (in water) NeedleSeat Pop Off Pressure Valve Spring Keihin 40 mm w35 mm venturi #140M #140C #135P #35 #65 None 34 turn 135050 RPM 18-20 PSI (See test procedure this section) 70 gram
1999 SLX
Carburetor Type
Keihin 40 mm w35 mm venturi #140M #140C #135P #65 None 34 turn 135050 RPM 18-20 PSI (See test procedure this section) 70 gram
Size Main Jet Pilot Jet High Speed Screw Low Speed Screw Idle Speed (in water) NeedleSeat Pop Off Pressure Valve Spring