Eh42Pl/Eh50Pl Engine Removal; Cylinder Head Bolts; Crankcase - Polaris Magnum 2x4 Service Manual

ENGINE
EH42PL/EH50PL Engine
Removal
The following components can be serviced or removed with the engine installed in the frame:
• PVT System
• Flywheel
• Alternator/Stator
• Starter Motor/Starter Drive
• Camshaft
Rocker Arms
Cam Chain and Sprockets
Cam Chain Tensioner and Guides
• Cylinder Head
• Cylinder
Piston/Rings
The following components require engine removal for service:
• Oil Pump
• Water Pump*
• Water Pump Mechanical Seal
• Counterbalancer Assembly
• Connecting Rod
Crankshaft
• Crankshaft Main Bearings
• Crankcase
* Complete engine removal is not necessary to inspect or replace the water pump impeller.
Engine Removal Preparation
1 . Clean work area.
2. Thoroughly clean the ATV engine and chassis.
3. Disconnect battery negative (-) cable.
4. Drain oil tank and engine sump.
5. Remove the following parts. Refer to the Body Chapter for removal procedures.
• Seat
• Left and Right Side Covers
• Fuel Tank Cover
• Fuel Tank (see Fuel System Chapter)
• Rear Rack
• Rear Cab
6. Disconnect spark plug high tension lead.
7. Remove air pre-cleaner and duct.
8. Disconnect engine breather line from engine.
9. Hold plastic fitting on airbox LH side with a wrench,
remove oil tank breather line clamp and remove line.
10. Loosen carburetor boot clamp and two bolts securing
airbox. Remove airbox.
7/96 3.38
Polaris Industries Inc.