Kohler CH680 Service Manual

Governor System
4324 690 06 Rev. P KohlerEngines.com
Speed Control Input
A
A
A
A Red Wire with Yellow Tracer.
This connection is either a single wire red with yellow
tracer or a 6 pin connector body with a red wire with
yellow tracer.
GCU Designs
A
B
C
D
E
F
C
D
C
D
A First Design GCU B Second Design GCU
C Green LED Light D Yellow LED Light
E Third Design GCU F
Fourth (Latest) Design
GCU

Kohler CH680 Specifications

General

Displacement	674 cc
Compression Ratio	8.5:1
Fuel System	Carburetor
Ignition System	Electronic
Cooling System	Air-cooled
Starter	Electric
Engine Type	4-cycle, overhead valve (OHV)
Oil Capacity	1.9 L (2.0 U.S. qt)
Lubrication	Full Pressure
Power	22 hp (16.4 kW) at 3600 rpm