Polaris 2004-2005 Sportsman 6x6, Service Manual

Page: 61 / 289

GENERAL INFORMATION
3.3
EH50PLE10 ENGINE SERVICE DATA
Cylinder Head / Valve EH50PLE10
Rocker Arm Rocker arm ID .8669-.8678
″
(22.020-22.041 mm)
Rocker shaft OD .8656-.8661
″
(21.987-22.0 mm)
Rocker shaft Oil Clear- Std .0008-.0021
″
(.020-.054 mm)
ance
Limit .0039
″
(.10 mm)
Camshaft Cam lobe height In Std 1.2884-1.2924
″
(32.726-32.826 mm) g
Limit 1.2766
″
(32.426 mm)
Ex Std
1.2884-1.2924
″
(32.726-32.826 mm)
Limit 1.2766
″
(32.426 mm)
Camshaft journal OD
Mag 1.4935-1.4941
″
(37.935-37.950 mm)
j
PTO 1.4935-1.4941
″
(37.935-37.950 mm)
Camshaft journal bore ID Mag
1.4963-1.4970
″
(38.005-38.025 mm)
j
PTO 1.4963-1.4970
″
(38.005-38.025 mm)
Camshaft Oil clearance
Std .0022-.0035
″
(.055-.090 mm)
Limit .0039
″
(.10 mm)
Cylinder Head
Surface warpage limit .0020
″
(.05 mm)
y
Standard height 3.870
″
(98.3 mm)
Valve Seat Contacting width In Std .028
″
(.7 mm) g
Limit .055
″
(1.4 mm)
Ex Std .039
″
(1.0 mm)
Limit .071
″
(1.8 mm)
Valve Guide Inner diameter .2362-.2367
″
(6.0-6.012 mm)
Protrusion above head .689-.709
″
(17.5-18.0 mm)
Valve Margin thickness In Std .039
″
(1.0 mm) g
Limit .031
″
(.8 mm)
Ex Std .047
″
(1.2 mm)
Limit .031
″
(.8 mm)
Valve Stem diameter In .2343-.2348
″
(5.950-5.965 mm)
Ex .2341-.2346
″
(5.945-5.960 mm)
Stem oil clearance Std In .0014-.0024
″
(.035-.062 mm)
Ex .0016-.0026
″
(.040-.067 mm)
Limit .0059
″
(.15 mm)
Overall length
In 3.976
″
(101.0 mm)
g
Ex 3.984
″
(101.2 mm)
Valve Spring Overall length
Std 1.654
″
(42.0 mm)
p g g
Limit 1.575
″
(40.0 mm)
Squareness .075
″
(1.9 mm)