Polaris A12MH46AX Service Manual page 60

Sportsman 500 H.O. Engine Service Data (EH50PLE 498cc Fuel Injected and Carbureted)
Cylinder / Piston / Connecting Rod
Surface warpage limit (mating with cylinder head)
Cylinder bore
Taper limit
Cylinder Out of round limit
Piston clearance
Boring Limit
Outer diameter
Piston
Standard inner diameter of piston pin bore
Outer diameter
Standard clearance - piston pin to pin bore
Piston Pin
Degree of fit
Piston Ring Piston Ring Installed gap
Standard clearance - 
Piston Ring
piston ring to ring groove
Connecting rod small end ID
Connecting rod small end radial clearance
Connecting Rod
Connecting rod big end side clearance
Connecting rod big end radial clearance
Crankshaft Crankshaft runout limit
KEY - Std: Standard; OS: Oversize; ID: Inner Diameter; OD: Outer Diameter; Mag: Magneto Side;
PTO: Power Take Off Side.
Std
.0098" (.25 mm) OS 3.6304-3.6310" (92.21-92.23 mm)
.0197" (.50 mm) OS 3.6403-3.6407" (92.46-92.47 mm)
Top ring
Second
ring
Oil ring
Top ring
Second
ring
9923412 - 2012 Sportsman 400/500 and EFI Tractor Service Manual
© Copyright 2011 Polaris Sales Inc.
EH50PLE (498cc)
.0020" (0.05 mm)
Std 3.6221-3.6228" (92.00-92.02 mm)
.0020" (0.050 mm)
.0020" (0.050 mm)
Std .0006-.0018" (0.015-0.045 mm)
Limit .0024" (0.060 mm)
.020" (.5 mm)
3.6204-3.6215" (91.970-91.985 mm)
.9055-.9057" (23.0-23.006 mm)
.9053-.9055" (22.994-23.0 mm)
.0002- .0003" (.004- .008 mm)
Piston Pin must be a push (by hand) fit at 68
o
F (20 C)
Std .0079-.0138" (.20-.36 mm)
Limit .039" (1.0 mm)
Std .0079-.0138" (.20-.36 mm)
Limit .039" (1.0 mm)
Std .0079-.0276" (.20-.70 mm)
Limit .059" (1.5 mm)
Std .0016-.0031" (.040-.080 mm)
Limit .0059" (.15 mm)
Std .0012-.0028" (.030-.070 mm)
Limit .0059" (.15 mm)
.9058 - .9063" (23.007 - 23.020 mm)
Std .0003-.0010" (.007-.026 mm)
Limit .0020" (.05 mm)
Std .0039-.0256" (.1-.65 mm)
Limit .0315" (.80 mm)
Std .0004-.0015" (.011-.038 mm)
Limit .0020" (.05 mm)
.0024" (.06 mm)
ENGINE
3
o
3.5