1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 123Get this manual
FUEL SYSTEMCARBURETION Carburetor InstallationKeihin Carburetor Installation
1Place new gaskets on intake manifoldCarefully set carburetors in place
Install intake silencer base with new gasketsThe silencer bolt flange must be positioned as shown towards the engine