Yamaha SR500E 1978 Service Manual page 51

B
I
A
Items Required < A I I o w a b l e »
B (Base circle) EX,
C (Cam lift) IN,
EX.
C a m s h a f t r u n o u t limit
V a l v e t i m i n g :
Intake O p e n
Intake Close
D u r a t i o n
E x h a u s t Open
Exhaust Close
Exhaust D u r a t i o n
V a l v e o v e r lap
R o c k e r a r m and rocker shaft:
R o c k e r arm bearing dia. (I.D,)
Rocker a r m shaft dia. (O,D,)
Clearance
Valve, v a l v e seat and v a l v e guide:
V a l v e c l e a r a n c e (cold): IN
EX,
No. of v a l v e s per c y l i n d e r
D i m e n s i o n s :
L " ~ ' " B "
iLç
V a l v e h e a d dia (A): IN.
EX.
V a l v e face w i d t h (B): IN.
EX.
V a l v e seat w i d t h (C): IN.
EX.
VaLve m a r g i n thickness (D): IN,
EX.
V a l v e s t e m o u t s i d e dia.: IN.
EX.
V a l v e g u i d e inside dïa.: IN.
EX.
V a l v e s t e m to g u i d e clearance: IN.
V a l v e s t e m to g u i d e clearance: EX.
3 2 . 2 8 + 0 . 0 5 m m < 3 2 . 0 8 m m »
( 1 . 2 7 0 9 + 0 . 0 0 2 0 in < 1 . 2 6 3 0 in>>)
7 . 2 2 5 m m ( 0 . 2 8 4 4 in)
7 . 2 5 3 m m ( 0 . 2 8 5 6 in)
< 0 . 1 m m ( 0 . 0 0 3 9 i n ) »
BTDC 4 4 °
A B D C 6 8 °
2 9 2 °
B B D C 7 6 °
A T D C 3 6 °
2 9 2 °
8 0 °
1 2 . 0 0 ~ 1 2 , 0 2 m m oE12.05 m m »
( 0 . 4 7 2 4 ~ 0 . 4 7 3 2 in < 0 . 4 7 4 4 in>>)
1 1 . 9 8 ~ 1 1 . 9 9 m m < 1 1 . 9 6 m m »
( 0 . 4 7 1 7 ~ 0 . 4 7 2 0 in < 0 . 4 7 0 9 in>>)
0.01 ~ 0 . 0 4 m m < 0 . 1 1 m m »
( 0 . 0 0 0 4 ~ 0 . 0 0 1 6 in < 0 . 0 0 4 3 in>>)
0 . 1 0 m m ( 0 0 0 3 9 in)
0 . 1 5 m m ( 0 , 0 0 5 9 in)
2 pcs
4 7 m m ( 1 . 8 5 in)
3 9 m m ( 1 . 5 4 in)
2 . 1 2 m m ( 0 , 0 8 3 5 in)
2 . 1 2 m m ( 0 . 0 8 3 5 in)
1.3 m m (0.051 in)
1,3 m m (0,051 in)
1.3 m m (0.051 in)
1.3 m m (0,061 in)
7 , 9 7 ~ 7 , 9 9 m m ( 0 . 3 1 3 8 ~ 0 . 3 1 4 6 in)
7 , 9 6 ~ 7 . 9 7 m m ( 0 . 3 1 3 4 ~ 0 . 3 1 3 8 in)
8.01 ~ 8 . 0 2 m m ( 0 , 3 1 6 4 ~ 0 , 3 1 5 7 in)
8,01 ~ 8 , 0 2 m m ( 0 , 3 1 5 4 ~ 0 , 3 1 5 7 in)
0 . 0 2 ~ 0 . 0 4 m m OEO.08 m m »
( 0 . 0 0 0 8 ~ 0 , 0 0 1 6 in < 0 , 0 0 3 1 in>>)
0 , 0 4 ~ 0 . 0 6 m m OEO,1 m m »
( 0 , 0 0 1 6 ~ 0 , 0 0 2 4 in < 0 . 0 0 3 9 i n »
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