2 - 6
SPEC
ENGINE SPECIFICATIONS
Stem-to-guide clearance
IN
0.010 ~ 0.037 mm
(0.0004 ~ 0.0015 in)
0.08 mm
(0.0031 in)
EX
0.030 ~ 0.057 mm
(0.0012 ~ 0.0022 in)
0.10 mm
(0.0039 in)
Stem runout limit
----
0.02 mm
(0.0008 in)
Valve seat width
IN
0.9 ~ 1.1 mm
(0.0354 ~ 0.0433 in)
1.6 mm
(0.0630 in)
EX
0.9 ~ 1.1 mm
(0.0354 ~ 0.0433 in)
1.6 mm
(0.0630 in)
Valve spring
Free length
IN
32.3 mm (1.27 in)
29.3 mm
(1.15 in)
EX
32.3 mm (1.27 in)
29.3 mm
(1.15 in)
Compressed pressure
(installed)
IN
33.55 ~ 41.00 N at 26.00 mm
(3.42 ~ 4.18 kg,
7.54 ~ 9.21 lb at 1.0236 in)
----
EX
33.55 ~ 41.00 N at 26.00 mm
(3.99 ~ 4.87 kg,
7.54 ~ 9.21 lb at 1.0236 in)
----
Tilt limit
IN
2.0°/1.1 mm
(2.0°/0.04 in)
EX
2.0
°/1.1 mm
(2.0°/0.04 in)
Direction of winding
(top view)
IN
Counterclockwise
----
EX
Counterclockwise
----
Item
Standard
Limit
IN
35.00 mm (1.38 in)
32.00 mm
(1.26 in)
EX
35.00 mm (1.38in)
32.00 mm
(1.26 in)
Inner spring
Free length
Outer spring
