Suzuki DR350 Service Manual page 408

1 7·3
SERVI C E D ATA
DR3 50W/X
VALVE + G U I D E
ITEM
Valve d i a m .
Valve clearance ( w h e n cold)
Valve g uide to valve stem
clearance
Valve stem deflection
Valve guide
1 . 0 .
Valve stem
0 . 0 .
Valve stem ru n o ut
Valve head thickness
Valve stem end l ength
Valve seat width
Valve head radi a l runout
Valve s pring free l ength
( I N . & E X . )
Valve spring tension ( I N . & EX.)
STANDARD
I N .
EX.
0 . 0 5
I N .
( 0 . 00 2 - 0. 004)
0. 1 7 - 0 . 2 2
E X .
( 0 . 007 - 0 . 009)
0 . 0 1 0
I N .
( 0 . 0004 - 0. 00 1 5)
0 . 030
E X .
(0. 00 1 2 - 0.0022)
I N . & E X .
5 . 000
I N . & E X .
( 0 . 1 9 6 9 - 0. 1 9 7 3 )
4. 9 7 5
I N .
(0. 1 9 5 9 - 0 . 1 9 6 5)
4 . 9 5 5
E X .
(0. 1 9 5 1 - 0. 1 9 5 7 )
I N . & EX.
IN. & E X .
I N . & E X .
0 . 9
I N . & EX .
( 0 . 03 5 - 0 . 043)
I N . & EX.
I N N E R
O UT E R
5 . 3
I N N ER
( 1 1 . 7 - 1 4. 3 Ibs)
at l en gth 2 8 . 0 m m ( 1 . 1 0 i n )
1 3 . 1 - 1 5 . 1 kg
O UT E R
( 2 8 . 9 - 33 . 3 I bs )
at length 3 1 . 5 m m ( 1 . 24 in)
30. 6
( 1 . 20)
2 7 . 0
( 1 . 06)
0 . 1 0
0 . 03 7
0 . 0 5 7
5 . 0 1 2
4 . 9 90
4. 970
1 . 1
6 . 5 kg
Unit: m m (in)
LIMIT
--
--
--
0 . 3 5
(0. 0 1 4)
0 . 0 5
(0.002)
0 . 5
( 0 . 0 2 )
1 . 8
(0. 07)
0.03
( 0 . 00 1 )
3 5 . 0
( 1 . 38)
3 7 . 8
( 1 . 49)
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