Suzuki DF 25 Service Manual

GENERAL INFORMATION 1-13
0.13 – 0.17 (0.005 – 0.007)
0.13 – 0.17 (0.005 – 0.007)
23.1 (0.91)
mm (in)
IN
mm (in)
STD
STD
mm (in)
mm (in)
STD
Limit
mm (in)
0.035 – 0.062 (0.0014 – 0.0024)
mm (in)
STD
Limit
0.090 (0.0035)mm (in)
IN,EX
mm (in)
STD
5.500 – 5.512 (0.2165 – 0.2170)
29.6 (1.17)mm (in)
EX
IN
EX
0.020 – 0.047 (0.0008 – 0.0019)
0.070 (0.0028)
IN
EX
IN
EX
15
°, 45°
15°, 45°
IN,EX
mm (in)
STD
14.0 (0.55)
mm (in)
STD
STD
mm (in)
IN
EX
5.465 – 5.480 (0.2152 – 0.2157)
5.450 – 5.465 (0.2146 – 0.2152)
mm (in)
Limit
mm (in)
Limit
Limit
mm (in)
IN
EX
0.14 (0.006)
0.18 (0.007)
IN,EX
mm (in)
Limit
0.05 (0.002)
IN,EX
mm (in)
Limit
0.08 (0.003)
mm (in)
STD
Limit
mm (in)
IN
1.0 (0.04)
0.5 (0.02)
mm (in)
STD
Limit
mm (in)
EX
1.3 (0.05)
0.7 (0.03)
mm (in)
STD
STD
mm (in)
IN
EX
1.3 – 1.5 (0.05 – 0.06)
1.3 – 1.5 (0.05 – 0.06)
47.38 (1.865)mm (in)
STD
45.48 (1.791)mm (in)
Limit
193 – 223 (19.3 – 22.3, 42.5 – 49.2) for 37.5 mm (1.48 in)N (kg, Ibs)
STD
177 (17.7, 39.0) for 37.5 mm (1.48 in)N (kg, Ibs)
Limit
2.0 (0.08)mm (in)
Limit
Unit
Data
DF25Q/25QE DF25QR/25T DF30Q/30QE DF30QR/30T
VALVE / VALVE GUIDE
Valve clearance
(Cold engine
condition)
Valve diameter
Valve guide to
valve stem
clearance
Valve guide
inside diameter
Valve seat angle
Valve guide
protrusion
Valve stem
outside diameter
Valve stem end
length
Valve stem end
deflection
Valve stem runout
Valve head
radial runout
Valve head
thickness
Valve seat
contact width
Valve spring free
length
Valve spring tension
Valve spring
squareness
Item
IN
EX
7.00 (0.276)
6.00 (0.236)
degree
degree
17

Suzuki DF 25 Specifications

General

Ignition System	Digital CDI
Engine Mounting	Shear Mount
Maximum Output	25 hp
Starting System	Electric
Steering	Tiller
Trim Method	Manual
Shaft Length	381 mm / 508 mm
Exhaust	Through propeller hub