ENGLISH
15
Specifications
GXR120UT S-Type (basic type)
* 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 min
-1
(rpm) (Net
Power) and at 3,000 min
-1
(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
Quick Reference Information
Wiring Diagrams
Without Oil Alert
With Oil Alert
Length × Width × Height
287 × 304 × 418 mm
(11.3 × 12.0 × 16.5 in)
Dry mass [weight]
11.0 kg (24.3 lbs)
Engine type
4-stroke, OHC, single cylinder
Displacement
[Bore × Stroke]
121 cm
3
(7.38 cu-in)
[60.0 × 43.0 mm (2.4 × 1.7 in)]
Net power
(in accordance with SAE J1349*)
2.3 kW (3.1 bhp, 3.1 PS) at 3,600 min
-1
(rpm)
Max. Net torque
(in accordance with SAE J1349*)
6.3 N·m (4.6 lbf·ft, 0.64 kgf·m) at
3,000 min
-1
(rpm)
Engine oil capacity
0.40 L (13 US oz, 0.35 lmp qt)
Fuel tank capacity
0.77 L (0.203 US gal, 0.169 lmp gal)
Cooling system
Forced air
Ignition system
Transistor type magneto ignition
PTO shaft rotation
Counterclockwise
ITEM
SPECIFICATION
MAINTENANCE
Spark plug gap
0.6–0.7 mm
(0.024–0.028 in)
Refer to page 10
Idle speed
1,550 ± 150 min
-1
(rpm)
Refer to shop manual
Valve clearance
(cold)
IN: 0.15 ± 0.04 mm
EX: 0.20 ± 0.04 mm
See your authorized
Honda dealer
Other
specifications
No other adjustments needed.
Fuel
Unleaded gasoline (Refer to page 7)
U.S.
Pump octane rating 86 or higher
Except
Research octane rating 91 or higher
U.S.
Pump octane rating 86 or higher
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.
(1)
ENGINE SWITCH
(4)
OIL ALERT UNIT
(2)
IGNITION COIL
(5)
OIL LEVEL SWITCH
(3)
SPARK PLUG
Bl
Black
Br
Brown
Y
Yellow
O
Orange
Bu
Blue
Lb
Light blue
G
Green
Lg
Light green
R
Red
P
Pink
W
White
Gr
Gray
(1)
IG
E
OFF
o
o
ON
(2)
(3)
IG
E
OFF
o
o
ON
(1)
(2)
(3)
(4)
(5)
37ZDJ6010.fm 15 ページ ２０１９年１１月１８日 月曜日 午後３時５７分
