1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 70Get this manual
FUEL SYSTEMCARBURETION Carburetor Specifications and Initial Settings 1999 SLH
Carburetor Type Size Main Jet Pilot Jet High Speed Screw Low Speed Screw Idle Speed (in water) Pop-Off Pressure Valve Spring Keihin 38 mm w33 mm venturi #142 #68 None 78 turn open 1400 RPM 50 RPM 1820 PSI (See test procedure this section) 70 gram
1999 SLTH
Carburetor Type Size Main Jet
Keihin 38 mm w33 mm venturi #142 #68 None 78 turn 1400 50 RPM 18-20 PSI (See test procedure this section) 70 gram