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