Specifications
S-Type (basic type)
Length×Width×Height
Dry mass [weight]
Engine type
Displacement
[Bore×Stroke]
Net power
2.1 kW (2.9 PS, 2.8 bhp) at 3,600 rpm
(in accordance with SAE J1349*)
Max. Net torque
(in accordance with SAE J1349*)
Engine oil capacity
Fuel tank capacity
Cooling system
Ignition system
PTO shaft rotation
*
The power rating of the engine indicated in this document is the
net power output tested on a production engine for the engine
model and measured in accordance with SAE J1349 at 3,600
rpm (Net Power) and at 3,600 rpm (Max. Net Torque). Mass
production engines may vary from this value.
Actual power output for the engine installed in the final machine
will vary depending on numerous factors, including the operating
speed of the engine in application, environmental conditions,
maintenance, and other variables.
Tuneup Specifications
ITEM
SPECIFICATION
Spark plug gap
0.6–0.7 mm
(0.024–0.028 in)
Idle speed
1,550±150 rpm
Valve clearance
IN: 0.15±0.04 mm
(cold)
EX: 0.20±0.04 mm
Other
specifications
287×304×418 mm
(11.3×12.0×16.5 in)
10.7 kg (23.6 lbs)
4-stroke, overhead cam, single cylinder
3
98.5 cm
(6.01 cu-in)
[56.0×40.0 mm (2.2×1.6 in)]
5.7 N·m (0.58 kgf·m, 4.2 lbf·ft) at
3,600 rpm
0.40 L (0.42 US qt, 0.35 lmp qt)
0.77 L (0.203 US gal, 0.169 lmp gal)
Forced air
Transistor magneto
Counterclockwise
MAINTENANCE
Refer to page 10
Refer to shop
manual
See your
authorized
Honda dealer
No other adjustments needed.
Quick Reference Information
Fuel
Unleaded gasoline (Refer to page 7)
U.S.
Except
U.S.
Engine oil
SAE 10W-30, API SJ or later (or equivalent), for
general use.
Refer to page 8.
Spark plug
CR5HSB (NGK)
U16FSR-UB (DENSO)
Maintenance Before each use:
• Check engine oil level. Refer to page 8.
• Check air filter. Refer to page 9.
First 20 hours:
Change engine oil. Refer to page 8.
Subsequent:
Refer to the maintenance schedule on page 7.
Wiring Diagrams
Without Oil Alert
(1)
IG E
OFF
o
o
ON
With Oil Alert
(5)
(4)
(1)
ENGINE SWITCH
(2)
IGNITION COIL
(3)
SPARK PLUG
Bl
Black
Y
Yellow
Bu
Blue
G
Green
R
Red
W
White
ENGLISH
Pump octane rating 86 or higher
Research octane rating 91 or higher
Pump octane rating 86 or higher
(2)
(1)
(2)
IG E
OFF
o
o
ON
(4)
OIL ALERT UNIT
(5)
OIL LEVEL SWITCH
Br
Brown
O
Orange
Lb
Light blue
Lg
Light green
P
Pink
Gr
Gray
(3)
(3)
15