ENGINE
3.7
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 engine rings have a rectangular profile. See text on Page 3.29 for ringinstallation. Use theinformation
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
EH680ALE 80 mm None
EH590ALE 76.50 mm None
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