Polaris 9919820 Offroad Vehicle User Manual


 
ENGINE
3.9
SPECIAL TOOLS
PART NUMBER TOOL DESCRIPTION
PV--43527 Oil Filter Wrench
2200634 Valve Seat Reconditioning Kit
PU--45257 Valve Spring Compressor
PU--45652 Valve Pressure Hose
2871043 Flywheel Puller
2870390 Piston Support Block
PU--45497--2 Cam Gear Tooth Alignment Tool
PU--45497--1 Cam Gear Spring Installation Kit (Tapered Pins)
PU--45498 Cam Spanner Wrench
PU--45838 Gear Holder
PA--44995 Water Pump Mechanical Seal Installer
PU--45543 Universal Driver Handle
PU--45483 Main Seal Installer
PU--45658 Main Crankshaft Seal Saver
PA--45401 Water Pump Seal Saver
2870975 Mity Vact Pressure Test Tool
PU--45778 Oil System Priming Tool
ACCESSIBLE COMPONENTS
The following components can be serviced or
removed with the engine installed in the frame:
S Flywheel
S Alternator/Stator
S Starter Motor/Starter Drive
S Cylinder Head
S Cylinder
S Piston/RIngs
S Camshaft
S Rocker Arms
S Oil pump/Water Pump and Oil
Pump Drive Gear
S Gear Train Components
The following components require engine
removal for service:
S Counterbalance Shaft or Bearing(s)
S Connecting Rod
S Crankshaft
S Crankshaft Main Bearings
S Crankcase
PISTON IDENTIFICATION
Four stroke enginerings have arectangular profile. See text onPage 3.29for ringinstallation. Use the information
below to identify pistons and rings.
NOTE: The pistons have no directional identification marks. New pistons are non--directional.
Engine Model No. Piston Diameter Standard Piston Identification
EH076OLE 80 mm None
EH068OLE 80 mm None