Specifications

r
1) Type
Needle bearin
1) Cam drive type
2) Number and type of bearing
3) Bearing dimensions
25 x 47 x 8 mm IO.984 x 1.850 x 0.315 in)
Type
Pitch/Number of links
Sprocket ratio (Teeth)
TSUBAKIMOTO BFOSM
7.774 mm IO.3060 in)/106
21 Rocker arm shaft diameter
31 Clearance
15.0’$“‘* mm (0.591t~W07 in)
15.O$:E mm lO.5911$~$ in)
0.009 - 0.033 mm (0.00035 - 0.00130 in)
alve per cy inder
2) Valve clearance (In cold engine)
3) Dimensions
Valve head diameter “A”
Valve face width “6”
Valve seat width “C”
Valve margin thickness “D”
IN: 0.10 mm 10.0039 in)
EX: 0.15 mm (0.0059 in)
IN: 41 mm Il.614 in1
EX: 35 mm (1.378 in)
IN: 2.1 mm 10.083 in)
EX: 2.1 mm (0.083 in1
IN: 1.3 mm (0.051 inl
EX: 1.3 mm (0.051 in)
IN: 1.3 mm (0.051 in)
EX: 1.3 mm (0.051 in)
Valve stem diameter
Valve guide diameter
Valve stem to guide clearance
4) Valve face runout limit
IN: 8.0;~:~~~ mm (0.315~~:~ in)
EX: 8.OI~:~~ mm (0.315;~:$~~ in)
IN: 8.0 $ii”, mm 10.315 I::= in)
EX: S.O:~:$~ mm 10.315:z:“d in)
IN: 0.020 _ 0.044 mm 10.00079 - 0.00173
EX: 0.035 - 0.059 mm (0.00138 - 0.00232
IN & EX: 0.03 mm (0.0012 in) or less
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A
1
in)
in)
in)
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