1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 66Get this manual

1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 66

MAINTENANCErrUNE UP Troubleshooting Engine OverheatingMiscSymptoms: Engine overheats Cooling water passages in pump restricted
Choke inoperative or not closing completely Fouled spark plug(s} Water in fuel Wornbroken or cracked reeds Restricted or
plugged low speedidle passages Symptoms: Low compression Choke or throttle closed (both must be wide open for test) Loose
cylinder head or head gasket failure Rings stuck or broken, or excessive end gap Piston damage (see piston damage) Cylinder
worn, improperly honed or bored, damaged Symptoms: Erratic idleno idleIdle speed improperly adjusted Plugged or restricted
low speed fuel passages Incorrectly adjusted low speed mixture screw Ignition problem Throttle linkage worn or sticking Air