Specifications; Tuneup Specifications - Honda GXV390 Owner's Manual

Air Index
(Models certified for sale in California)
An Air Index Information label is applied to engines certified to an
emission durability time period in accordance with the
requirements of the California Air Resources Board.
The bar graph is intended to provide you, our customer, the ability
to compare the emissions performance of available engines. The
lower the Air Index, the less pollution.
The durability description is intended to provide you with
information relating to the engine's emission durability period.
The descriptive term indicates the useful life period for the engine's
emission control system. See your Emission Control System
Warranty for additional information.
Descriptive Term Applicable to Emissions Durability Period
Moderate 50 hours (0 80 cc, inclusive)
125 hours (greater than 80 cc)
Intermediate 125 hours (0 80 cc, inclusive)
250 hours (greater than 80 cc)
Extended 300 hours (0 80 cc, inclusive)
500 hours (greater than 80 cc)
1,000 hours (225 cc and greater)
16
−
−
−

Specifications

GXV340 (With fuel tank)
Length × Width ×
Height
Dry mass [weight]
Engine type
Displacement
[Bore × Stroke]
Net power
(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
GXV390 (With fuel tank)
Length × Width ×
Height
Dry mass [weight]
Engine type
Displacement
[Bore × Stroke]
Net power
(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 2,500 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
Spark plug gap 0.7 0.8 mm
(0.028 0.031 in)
Idle speed 1,400
Valve clearance IN: 0.15
(cold) EX: 0.20
Other
specifications
ENGLISH
434 × 383 × 406 mm
(17.0 × 15.0 ×
31.4 kg (69.2 lbs)
4-stroke, overhead valve, single cylinder
337 cm (20.6 cu-in)
[82.0 × 64.0 mm (3.2
6.6 kW (9.0 PS, 8.9 bhp) at 3,600 rpm
＊
21.6 N·m (2.20 kgf·m, 15.9 lbf·ft)
at 2,500 rpm
＊
1.1 L (1.2 US qt, 1.0 lmp qt)
1.8 L (0.48 US gal, 0.40 lmp gal)
Forced air
Transistor magneto
Counterclockwise
434 × 383 × 406 mm
(17.0 × 15.0 ×
32.4 kg (71.4 lbs)
4-stroke, overhead valve, single cylinder
389 cm (23.7 cu-in)
[88.0 × 64.0 mm (3.5
7.6 kW (10.3 PS, 10.2 bhp) at 3,600 rpm
＊
24.2 N·m (2.47 kgf·m, 17.8 lbf·ft) at
2,500 rpm
＊
1.1 L (1.2 US qt, 1.0 lmp qt)
1.8 L (0.48 US gal, 0.40 lmp gal)
Forced air
Transistor magneto
Counterclockwise
SPECIFICATION MAINTENANCE
− Refer to page: 10
−
± 150 rpm See your
± 0.02 mm authorized
± 0.02 mm Honda dealer
No other adjustments needed.
16.0 in)
× 2.5 in)]
16.0 in)
× 2.5 in)]