Suzuki DF15 - Page 308

14 DF9.9T/TH/DF15 (Serial No. 110001 and later)
VALVE/VALVE GUIDE
Item Unit
Data
DF15 DF15E
DF15
R
Valve diameter IN STD mm (in) 26 (1.0)
EX STD mm (in) 22 (0.9)
Valve clearance
(Cold engine
condition)
IN STD mm (in) 0.18 – 0.22 (0.007 – 0.009)
EX STD mm (in) 0.18 – 0.22 (0.007 – 0.009)
Valve guide to
valve stem clear-
ance
IN
STD mm (in) 0.010 – 0.037 (0.0004 – 0.0015)
Limit mm (in) 0.070 (0.0028)
EX
STD mm (in) 0.035 – 0.062 (0.0014 – 0.0024)
Limit mm (in) 0.090 (0.0035)
Valve guide
inside diameter
IN STD mm (in) 5.500 – 5.512 (0.2165 – 0.2170)
EX STD mm (in) 5.500 – 5.512 (0.2165 – 0.2170)
Valve stem out-
side diameter
IN STD mm (in) 5.475 – 5.490 (0.2156 – 0.2161)
EX STD mm (in) 5.450 – 5.465 (0.2146 – 0.2152)
Valve guide pro-
trusion
IN Limit mm (in) 10.0 (0.39)
EX Limit mm (in) 10.0 (0.39)
Valve stem
deflection
IN Limit mm (in) 0.16 (0.006)
EX Limit mm (in) 0.16 (0.006)
Valve stem
runout
IN Limit mm (in) 0.05 (0.002)
EX Limit mm (in) 0.05 (0.002)
Valve head
radial runout
IN Limit mm (in) 0.03 (0.001)
EX Limit mm (in) 0.03 (0.001)
Valve head thick-
ness
IN Limit mm (in) 0.5 (0.02)
EX Limit mm (in) 0.5 (0.02)
Valve seat con-
tact width
IN STD mm (in) 0.9 – 1.1 (0.035 – 0.043)
EX STD mm (in) 0.9 – 1.1 (0.035 – 0.043)
Valve spring free length STD mm (in) 32.52 (1.280)
Limit mm (in) 32.40 (1.276)
Valve spring tension STD N (kg, lbs) 90 (9.0, 19.8) for 28.5 mm (1.12 in)
Limit N (kg, lbs) 76 (7.6, 16.8) for 28.5 mm (1.12 in)