Suzuki DF 90 Service Manual page 507

Item
VALVE / VALVE GUIDE
Valve diameter
Tappet clearance
IN
(Cold engine
EX STD
condition)
Valve seat angle
IN
EX
Valve guide to
valve stem IN
clearance
EX
Valve guide
IN,
inside diameter
EX
Valve guide
IN,
protrusion
EX
Valve stem
IN
outside diameter
EX STD
Valve stem end
IN
deflection
EX Limit
IN,
Valve stem runout
EX
Valve head
IN,
radial runout
EX
Valve head
thickness
IN
EX
Valve seat
IN
contact width
EX STD
Valve spring free
length
Valve spring tension
Valve spring
squareness
Unit
IN mm (in)
EX mm (in)
STD mm (in)
mm (in)
—
—
STD mm (in)
Limit mm (in)
STD mm (in)
Limit mm (in)
STD mm (in)
STD mm (in)
STD mm (in)
mm (in)
Limit mm (in)
mm (in)
Limit mm (in)
Limit mm (in)
STD mm (in)
Limit mm (in)
STD mm (in)
Limit
STD mm (in)
mm (in)
STD mm (in)
Limit
STD N (kg, lbs)
Limit N (kg, lbs)
Limit mm (in)
DF90/115/140 "K6" ('06) MODEL 16-15
Data
DF140T/140WT
33 (1.3)
28 (1.1)
0.23 – 0.27 (0.009 – 0.011)
0.23 – 0.27 (0.009 – 0.011)
15°, 45°, 60°
15°, 45°
0.020 – 0.047 (0.008 – 0.019)
0.070 (0.0028)
0.045 – 0.072 (0.0018 – 0.0028)
0.090 (0.0035)
6.000 – 6.012 (0.2362 – 0.2367)
13.5 (0.53)
5.965 – 5.980 (0.2348 – 0.2354)
5.940 – 5.955 (0.2339 – 0.2344)
0.14 (0.006)
0.18 (0.007)
0.05 (0.002)
0.08 (0.003)
1.0 (0.04)
0.7 (0.03)
1.2 (0.05)
0.7 (0.03)
1.1 – 1.3 (0.04 – 0.05)
1.1 – 1.3 (0.04 – 0.05)
42.7 (1.68)
41.0 (1.61)
167 – 193 (16.7 – 19.3, 36.8 – 42.5) for 32.6 mm (1.28 in)
151 (15.1, 33.3) for 32.6 mm (1.28 in)
2.0 (0.08)
DF140Z/140WZ