Yamaha XS650G 1978, Supplementary Service Manual

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4. PISTON
1) Piston skirt clearance
2) Piston oversize
3) Piston pin outside diameter x length
5. PISTON RING
1) Piston ring design
0.050 0.055 mm 10.0020 0.0022 in)
7 5 . 2 5
mm x mm
in x in)
2) Ring end gap
1.2mm 1.5mm
0.4 mm (0.008 0.016 in)
3) Ring groove side clearance (Top)
6. BIG END BEARING
Type
Bearing type
4) Cam dimensions
6) Camshaft deflection limit
7) Cam chain
Type
Number of links
Sprocket ratio
8. ROCKER ARM AND ROCKET SHAFT
0.03 mm (0.0012 in)
TSUBAKIMOTO BF05M
i
36/18 ( 2 . 0 0 0 )
1) Rocker arm inner diameter
mm in)
2) Rocker arm shaft diameter m m
3) Clearance 0.009 0.033 mm
0.00130
4) Lift ratio X : Y = 40 48.41 mm (1.575 1.906 in)
l4-