4 DF2.5 (Serial No. 410001 and later)
* SERVICE DATA * These service data are subject to change without notice.
POWER HEAD
* Figures shown are guidelines only, not absolute service limit.
CARBURETOR
For all markets except for US market
For US market
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 : SG, SH, SJ, SL, SM
or NMMA FC-W classification : SG, SH, SJ, SL, SM
•Viscosity rating : SAE 10W-40, 10W-30 or
NMMA FC-W : 10W-40, 10W-30
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 L M J-5 7
I.D mark LMJ-57
Main jet # 62
Main air jet # 160
Pilot jet # 35
Pilot air jet # 95
Pilot screw
Turns open
Pre-set (2-5/8 ± 3/4)
Float height mm 14.3 ± 2
Typ e Walbro LMJ-48
I.D mark LMJ-48A
Main jet # 62
Main air jet # 135
Pilot jet # 34
Pilot air jet # 145
Pilot screw
Turns open
Pre-set (2-3/4 ± 1/2)
Float height mm 15.4 ± 2