Polaris 2005 Sportsman MV7, Service Manual

Page: 70 / 312

ENGINE
3.12
700 ENGINE SERVICE DATA
Cylinder Head / Valve Engine No. -- EH68ALOE / EH068OLE
Camshaft Cam lobe height In
Std 1.3194” (33.5118 mm)
g
Ex Std 1.3194” (33.5118 mm)
Camshaft journal OD Mag 1.654”
±
0.00039” (42
±
0.010 mm) j
Center 1.634”
±
0.00039” (41.50
±
0.010 mm)
PTO 1.614”
±
0.00039” (41
±
0.010 mm)
Camshaft journal bore
ID
Mag 1.656”
±
0.00039” (42.07
±
0.010 mm) j
ID
Center 1.637”
±
0.00039” (41.58
±
0.010 mm)
PTO 1.617”
±
0.00039” (41.07
±
0.010 mm)
Camshaft Oil clear- Std 0.00118”
±
0.00079” (0.03
±
0.02 mm)
ance
End Play
0.0167”
±
0.0098” (0.425
±
0.25 mm)
Counter
Balance
End Play 0.005” (0.127 mm)
Cylinder
H d
Surface warpage limit 0.00394” (0.1 mm) y
Head
Standard height 3.478” (88.35 mm)
Valve Seat Contacting width In Std 0.0472” + 0.00787” -- 0.0039”
(1.20 + 0.20 -- 0.10 mm)
Ex Std 0.0591” + 0.00787” -- 0.0039”
(1.50 + 0.20 -- 0.10 mm)
Seat Angle Std 44.75
±
0.25
°
Valve
G id
Inner diameter 0.2374”
±
0.00059” (6.030
±
0.015 mm)
Guide
Protrusion above head 0.5610”
±
0.00394” (14.25
±
0.10 mm)
Valve Margin thick- In Std 0.1394”
±
0.0065” (3.541
±
0.165 mm) g
ness
Ex
Std 0.1373”
±
0.0065”(3.488
±
0.165 mm)
Stem diameter In 0.2356”
±
0.00039” (5.985
±
0.01 mm)
Ex 0.2346”
±
0.00039” (5.96
±
0.01 mm)
Stem oil clear- Std In 0.00177”
±
0.00098” (0.045
±
0.025 mm)
ance
Ex 0.00334”
±
0.00039” (0.085
±
0.010 mm)
Overall length In 4.51”
±
0.01476” (114.5550
±
0.375 mm) g
Ex 4.5453”
±
.01496” (115.45
±
0.38 mm)
Valve
Spring
Overall length Free
Length
1.8267” (46.40 mm)
p g
Installed
Height
1.47” (37.34 mm)