Suzuki DF350A Service Manual page 19

Valve / Valve Guide
Item
Valve diameter
Tappet clearance (Valve lash)
(Cold engine condition)
Valve seat angle
Valve guide to valve stem
clearance
Valve guide inside diameter
Valve guide protrusion
Valve stem outside diameter
Valve stem deflection
Valve stem runout
Valve head radial runout
Valve head thickness
Valve seat contact width
Valve spring free length
Valve spring preload
Valve spring squareness
Unit
IN mm (in.)
EX mm (in.)
IN std. mm (in.)
EX std. mm (in.)
IN —
EX —
std. mm (in.)
IN
Limit mm (in.)
std. mm (in.)
EX
Limit mm (in.)
IN,
std. mm (in.)
EX
IN,
std. mm (in.)
EX
IN std. mm (in.)
EX std. mm (in.)
IN Limit mm (in.)
EX Limit mm (in.)
IN,
Limit mm (in.)
EX
IN,
Limit mm (in.)
EX
std. mm (in.)
IN
Limit mm (in.)
std. mm (in.)
EX
Limit mm (in.)
IN std. mm (in.)
EX std. mm (in.)
std. mm (in.)
Limit mm (in.)
std. N (kg, lbs)
Limit N (kg, lbs)
Limit mm (in.)
DF350AT
37.9 (1.49)
31.4 (1.2)
0.23 – 0.27 (0.009 – 0.011)
0.33 – 0.37 (0.013 – 0.015)
30°, 45°, 60°
30°, 45°, 60°
0.020 – 0.047 (0.0008 – 0.0019)
0.070 (0.0028)
0.045 – 0.072 (0.0018 – 0.0028)
0.090 (0.0035)
5.500 – 5.512 (0.2165 – 0.2170)
11.4 – 11.8 (0.45 – 0.46)
5.465 – 5.480 (0.2152 – 0.2157)
5.440 – 5.455 (0.2142 – 0.2148)
0.14 (0.006)
0.18 (0.007)
0.05 (0.002)
0.08 (0.003)
1.1 (0.04)
0.7 (0.03)
1.1 (0.04)
0.7 (0.03)
1.1 – 1.3 (0.04 – 0.05)
1.1 – 1.2 (0.04 – 0.05)
41.25 (1.62)
39.60 (1.56)
147 – 173 (14.7 – 17.3, 32.4 – 38.1) at 32.5 mm (1.28 in.)
136 (13.6, 30.0) at 32.5 mm (1.28 in.)
2.0 (0.08)
General Information:
Data
0A-10