1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 120Get this manual

1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 120

FUEL SYSTEMCARBURETION Carburetor AssemblyKeihin 4Install jet block and tighten screw securelyGrease high and low speed mixture
each carb bore and verify throttle plates are just below first bypass hole (not on or above)Adjust accordingly with idle
stop screw Bypass Ports Idle Port Correct NOTE: These are initial settings from which additional fine tuning may be necessaryIncorrect
Idle Port Do not force screw past lightly seated or screw andor seat will be damagedOperation of the craft with mixture screws
improperly adjusted (too lean) may cause serious engine damageAlways read spark plugs under actual operating conditions after