Suzuki df2.5 Service Manual

4 DF2.5 “K8” (’08) MODEL
* SERVICE DATA * These service data are subject to change without notice.
POWER HEAD
* Figures shown are guidelines only, not absolute service limit.
CARBURETOR
CYLINDER HEAD/CAMSHAFT
Item Unit
Data
DF2.5
Recommended operating
range
r/min 5 250 – 5 750
Idle speed r/min 1 900 ± 100 (in-gear: approx. 1 500)
* Cylinder compression kPa
(kg/cm
2
, psi)
960 – 1 400 (9.6 – 14.0, 137 – 199)
Engine oil • API classification : SE, SF, SG, SH, SJ
or NMMA FC-W classification : SE, SF, SG, SH, SJ
•Viscosity rating : SAE 10W-40 or NMMA FC-W 10W-40
Engine oil amounts
L (US/lmp. qt) 0.38 (0.40/0.33)
Thermostat operating
temperature
°C (°F) 48 – 52 (118 – 126)
Typ e W a lb r o LM J -26 A
I.D mark LMJ-26A
Main jet # 64
Main air jet # 170
Pilot jet # 32
Pilot air jet # 145
Pilot screw
Turns open Pre-set (2 ± 1/2)
Float height mm 10 ± 2
Cylinder head
distortion
Limit mm (in) 0.05 (0.002)
Cam
height
IN,
EX
STD mm (in) 28.480 – 28.680 (1.1213 – 1.1291)
Limit mm (in) 28.180 (1.1094)
Rocker
arm shaft
hole
diameter
IN
STD mm (in) 4.015 – 4.027 (0.1581 – 0.1585)
EX
Rocker
arm shaft
outside
diameter
IN
STD mm (in) 3.990 – 4.005 (0.1571 – 0.1577)
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.)