Common Specifications For All Models - Polaris Playmate 1971 Shop Manual

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Cyl.
Oisp.
(CC)
175
294
335
398
436
488
648
795
Engine Year
Models Built
EC17P
1969·1970
EC29P
1969·1970
EC35P 1969· 1970
EC40P 1969·1970
EC44P 1969·1970
EC50P
1969·1970
EC65P 1969··1970
EC79P 1969·1970
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COMMON SPECIFICATIOI\1S FOR ALL MODELS
BOLT TORQUE
Standard Piston Skirt
No.
Piston Ring
Crank·
Cylinder Stroke To Bore Cyl.
Bore
(MM)
Of
Clearance
End Gap
Head
Case
(MM)
Cyl.
(Inches)
(Inches) Bolts
62 58 1 .004/.006 .010/.016 21·23 11·13
58 55.6 2 .0035/.0055 .008/.014 18 ft. lb. 21·23
62 55.6 2 .004/.006 .010/.016
18 ft. lb.
21·23
65 60 2
.0045/.0065 .010/.016 18 ft. lb.
21 ·23
68 60 2 .005/.007
.010/.016 18 ft. lb.
21·23
72 60 2 .0055/.0075 .012/.0175 18 ft. lb. 21·23
67.75 60 3 .0045/.0065 .010/.016 18 ft. lb. 21·23
- - 3 .0055/.0075 .012/.0175 18 ft. lb. 2 1·23
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CRANKCASETORQUE?ATTERN
RUNNING T IMING CAN BE CHECKED BY MOVING
T HE ADVANCE CAM TO THE FUL L A DVANCE
POS IT ION.
SPARK PLUG GAP: .017 - .020
STAT IC TIMING RUNNING TIMING
Degree M.M. Inches Degree M.M. Inches
Before
Before Before Before Before Before
T.O.C. T.O.C. T.O.C. T.O.C. T.O.C. T .O.C.
-
- - 23
0 -
-
8
0
.27 .012 23
0
2.3 .093
8
0
.27 .012 23
0
2.3 .093
8
0
.29 .012 23
0
2.5 .099
8
0
.29 .012 23
0
2.5 .099
8
0
.29 .012 23
0
2.5 .099
-
-
- 23
0
-
-
-
-
- 23
0
-
-
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CYLINDER H EAD TORQUE PATT ER N
I
I
I
R.P.M .
Engine
I
!
6,000
i
6,000
6,000
6,000
6,000
6,000
6,000
6,000
.....