Standard Dimensions & Running Clearances - Champion A Series Operating And Service Manual

CYLINDER BORE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PISTON -- RING LAND DIAMETER
PISTON TO CYLINDER -- AT RING LAND
PISTON -- SKIRT DIAMETER
PISTON TO CYLINDER -- AT SKIRT
RING GAP -- COMPRESSION
RING SIDE CLEARANCE -- COMPRESSION
RING GAP -- OIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RING SIDE CLEARANCE -- OIL
PISTON -- PIN BUSHING BORE
PISTON PIN DIAMETER
PISTON PIN TO BUSHING
CONNECTING ROD -- CRANKPIN INSERT BORE
CRANKSHAFT -- CRANKPIN DIAMETER
INSERT THICKNESS . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSERT TO CRANKPIN
CONNECTING RODS SIDE CLEARANCE ON
CRANKPIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CRANKSHAFT DIAMETER -- AT MAIN BEARING
MAIN BEARING I.D. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MAIN BEARING HOUSING BORE
CRANKCASE . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BEARING HOUSING
MAIN BEARING O.D. . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONNECTING ROD PISTON PIN BORE
MAIN BEARING END CLEARANCE
STANDARD DIMENSIONS & RUNNING CLEARANCES
UNIT COLD - - NEW COMPONENTS
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C1- -1- -608
Inches
7.875/7.876
7.839/7.835
.036/.041
7.8650/7.8640
.0100/.0120
.010/.020
.0020/.0045
.010/.050
.002/.008
1.0095/1.0100
1.0082/1.0080
.0013/.0020
. 2.750/2.749
2.6230/2.6225
.06250/.06225
.001/.003
.010/.025
. . 2.5015/2.5025
2.5000/2.5005
4.4355/4.4365
4.4355/4.4365
4.4375/4.4385
1.010/1.008
0 TO .001
Page 9
mm
200.025/200.050
199.111/199.009
.9144/1.0414
199.771/199.746
.254/.305
.254/.508
.051/.114
.254/1.270
.051/.203
25.641/25.654
25.608/25.603
.033/.051
69.850/69.825
66.624/66.612
1.588/1.581
.0254/.0762
.254/.635
63.538/63.564
63.500/63.513
112.662/112.687
112.662/112.687
112.713/112.738
25.654/25.603
0/.254