Specifications - Honda GX630 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
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)

Specifications

GX630 (QAF-Type)
Length×Width×Height
Dry mass [weight]
Engine type 4-stroke, overhead valve, 2 cylinders (90° V-Twin)
Displacement
[Bore×Stroke]
Net power
(in accordance with SAE J1349*)
Max. Net torque
(in accordance with SAE J1349*)
Engine oil capacity Without oil filter replacement:
With oil filter replacement:
Cooling system
Ignition system
PTO shaft rotation
GX660 (TAF-Type)
Length×Width×Height
Dry mass [weight]
Engine type 4-stroke, overhead valve, 2 cylinders (90° V-Twin)
Displacement
[Bore×Stroke]
Net power
(in accordance with SAE J1349*)
Max. Net torque
(in accordance with SAE J1349*)
Engine oil capacity Without oil filter replacement:
With oil filter replacement:
Cooling system
Ignition system
PTO shaft rotation
50 hours (0–80 cc, inclusive)
405×410×438 mm
(15.9×16.1×17.2 in)
44.4 kg (97.9 lbs)
3
688.0 cm (41.97 cu-in)
[78.0×72.0 mm (3.07×2.83 in)]
15.5 kW (21.1 PS, 20.8 bhp)
at 3,600 rpm
48.3 N·m (4.93 kgf·m, 35.6 lbf·ft)
at 2,500 rpm
1.5 L (1.6 US qt, 1.3 lmp qt)
1.7 L (1.8 US qt, 1.5 lmp qt)
Forced air
CDI type magneto ignition
Counterclockwise
429×450×438 mm
(16.9×17.7×17.2 in)
45.3 kg (99.9 lbs)
3
688.0 cm (41.97 cu-in)
[78.0×72.0 mm (3.07×2.83 in)]
16.0 kW (21.8 PS, 21.5 bhp)
at 3,600 rpm
48.3 N·m (4.93 kgf·m, 35.6 lbf·ft)
at 2,500 rpm
1.5 L (1.6 US qt, 1.3 lmp qt)
1.7 L (1.8 US qt, 1.5 lmp qt)
Forced air
CDI type magneto ignition
Counterclockwise
GX690 (TAF-Type)
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
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 GX630/660/690
ITEM
Spark plug gap
Idle speed
Valve clearance IN: 0.08±0.02 mm
(cold) EX: 0.10±0.02 mm
Other
specifications
Quick Reference Information
Fuel Unleaded gasoline (Refer to page 7).
U.S.
Except
U.S.
Engine oil SAE 10W-30, API SJ or later, for general use.
Refer to page 8.
Spark plug ZFR5F (NGK)
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.
ENGLISH
429×450×438 mm
(16.9×17.7×17.2 in)
45.3 kg (99.9 lbs)
4-stroke, overhead valve, 2 cylinders (90° V-Twin)
3
688.0 cm (41.97 cu-in)
[78.0×72.0 mm (3.07×2.83 in)]
16.5 kW (22.4 PS, 22.1 bhp)
at 3,600 rpm
48.3 N·m (4.93 kgf·m, 35.6 lbf·ft)
at 2,500 rpm
Without oil filter replacement:
1.5 L (1.6 US qt, 1.3 lmp qt)
With oil filter replacement:
1.7 L (1.8 US qt, 1.5 lmp qt)
Forced air
CDI type magneto ignition
Counterclockwise
SPECIFICATION MAINTENANCE
0.7–0.8 mm Refer to page 10
(0.028–0.031 in)
1,400±150 rpm See your authorized
Honda dealer
See your authorized
Honda dealer
No other adjustments needed.
Pump octane rating 86 or higher
Research octane rating 91 or higher
Pump octane rating 86 or higher
17