1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 52Get this manual
MAINTENANCEfTUNE UP Cooling System MaintenanceStorage Off Season Storage Procedures
When the craft will not be operated for periods greater than 30 days, the following maintenance items should be performed: Fuel System Storage Flush Engine Fog Engine Drain EngineFreeze Protection Corrosion Protection Battery Storage Complete Lubrication Cleaning Hull Interior and Exterior
Engine Draining
Engine draining is automaticYou willhowever, need to make sure the exhaust system is drainedTo do so, start and briefly rev up engineThis will remove enough water from the exhaust system to prevent any damage from freezing
Fuel System Storage
Top off the fuel tank with fresh fuel and add fuel conditionerstabilizerIt is recommended that the craft be operated for approximately 10-15 minutes after stabilizing fuel to ensure treated fuel reaches the entire fuel system and all componentsFollow the directions on the container for recommended amount to add for long term storageOn models equipped with fuelwater separator, drain any water present in the bowl before storage