Suzuki df2.5 Service Manual

1-10 GENERAL INFORMATION
*SERVICE DATA
* These service data are subject to change without notice.
Item Unit
Data
DF2.5
POWER HEAD
Recommended operating
r/min
5
250-5 750
range
Idle speed
r/min
1 900 ± 1 00 (in-gear: approx. 1 500)
* Cylinder compression kPa
960- 1 400 (9.6 -14 .0, 137 -199)
(kg/cm
2
,
psi)
Engine
oil API classification SE, SF , SG, SH, SJ
Viscosity rating SAE 10W-40
Engine oil amounts L (US/Imp. qt) 0.38 (0.40/0.33)
Thermostat operating
oc (Of)
48-52 (118- 126)
temperature
*Figures shown are guidelines only, not absolute service limit.
CARBURETOR
Type
Walbro LMJ-26
1.0 mark 97J10
Main jet
# 70
Pilot
jet # 32
Pilot screw Turns open
Pre-set
Float height
mm 10 ± 2
CYLINDER HEAD/CAMSHAFT
Cylinder head
Limit
mm (in)
0.05 (0.002)
distortion
Cam
IN,
STD
mm (in)
28.480-28.680 (1.1213 -1.1291)
height
EX
Limit mm (in) 28.180 (1.1094)
Rocker
IN
arm shaft
hole
- STD mm (in)
4.015- 4.027 (0 . 1581 - 0.1585)
diameter
EX
Rocker
IN
arm shaft
outside
STD
mm (in)
3.
990- 4.005 (0.1571 - 0.1577)
diameter
EX

Suzuki df2.5 Specifications

General

Starting System	Manual
Fuel Tank Capacity	1.0 L
Number of Cylinders	1
Full Throttle Operating Range	5250 - 5750 RPM
Steering	Tiller
Displacement	68 cm3 (4.2 cu.in.)
Max Output	2.5 hp
Weight	13.5 kg
Ignition System	CDI
Bore x Stroke	48 x 38 mm (1.9 x 1.5 in.)