Engine Installation Notes (2 Stroke); Bleed Cooling System; Transmission Readjustment; Engine Break In Period (2 Strokes) - Polaris Magnum 2x4 Service Manual

Engine Installation Notes (2 Stroke)
Bleed Cooling System
1. Fill coolant reservoir tank to full mark.
ENGINE
Engine Installation
2. Loosen bleed screw at top of cylinder head until all air is purged from coolant system. Tighten bleed screw.
3. Install radiator cap and squeeze coolant lines to force air out of system.
NOTE:Radiator must be full or coolant will not circulate, and reservoir will not refill radiator.
4. Remove cap and add coolant if necessary.
5. After reassembly is complete, start engine and observe coolant level in the radiator. Allow air to purge and top
off as necessary. Reinstall radiator cap and bring engine to operating temp. Check level in reservoir tank after
engine is cool and add coolant if necessary.
Transmission
1. Readjust transmission shift linkage as outlined in Transmission Chapter page 8.3.
Exhaust
1. Replace exhaust gaskets. Seal connections with high temp silicone sealant.
2. Check to be sure all springs are in good condition.
Engine Break In Period (2 Strokes)
1. Pre-mix first tank of fuel at a 40:1 ratio with Polaris Premium Synthetic 2 Cycle Lubricant. Verify proper oil
usage from oil tank during the first tank of fuel.
2. Avoid prolonged idle or periods of sustained full throttle. Vary throttle settings.
Polaris Industries Inc.
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