Honda GX670 User Manual

AIR INDEX
An Air Index Information hang tag/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 Warranty for additional
information.
Descriptive Term
50 hours (0-65 cc)
Moderate
Applicable to Emissions Durability Period
125 hours (greater than 65 cc)
Intermediate 125 hours (0-65 cc)
250 hours (greater than 65 cc)
Extended
300 hours (0-65 cc)
500 hours (greater than 65 cc)
The Air Index Information hang tag must remain on the engine until
it
is sold. Remove the hang tag before operating the engine.
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Honda GX670 Specifications

General

Compression Ratio	8.3:1
PTO Shaft Rotation	Counterclockwise (from PTO shaft side)
Cooling System	Forced air
Ignition System	Digital CDI with variable timing
Lubrication System	Forced lubrication with trochoid pump
Engine Type	4-stroke, OHV
Displacement	670 cm³
Bore x Stroke	77 x 72 mm
Oil Capacity	1.9 L
Starting System	Electric starter
Net Power Output	22.1 HP at 3600 RPM