Onan CCKA User Manual

Specifications
This manual contains Si metric equivalents that follow immediately in parentheses
after the U.S. customary units of measure.
SPECIFICATION
Number of Cylinders
Bore
Stroke
Displacement
Compression Ratio_
Rated Speed (Maximum)
Power at
Rated Speed_
Oil Filter
Oil Capacity Without
Filter _
Oil Capacity With
Filter Change
Crankshaft Rotation
(viewed from flywheel)
Governor
Valve Clearance (Cold)
Intake
Exhaust
Spark Plug Gap (Gas)
Spark Plug Gap (Gasoline)
UNIT OF
MEASURE
3.000
(76.2)
49.8
(816)
5.5 to 1
2700
12.9
(9.6)
Full Flow
3.0
(2.8)0
3.5
(3.3)©
Clockwise
Mechanical
SERIES
CCKA
2
3.250
(82.55)
49.8
(816)
7.0 to 1
3600
Full Flow
3.0
(2.8)0
Clockwise
Mechanical
0.007
(0.18)
0.016
(0.41)
CCKB
2
3.000
(76.2)
49.8
(816)
7.0 to 1
3900
20.0
(14.9)
Full Flow
3.5
(3.3)
Clockwise
Mechanical
0.007
(0.18)
0.016
(0.41)
Breaker Point Gap - Static
in
0.020
0.020
0.020
(Full Separation and Engine Cold)
(mm) (0.51)
(0.51) (0.51)
Ignition Timing
All Models
BTC
19°
Gaseous Fuel
BTC
Gasoline Fuel
BTC
24°
24°
Gasoline Fuel (Static)
ATC
1°®
o ^
1°®
Gasoline Fuel (Static or Running)
BTC
20° ©
20° ®
Gasoline Fuel Running
BTC
24°®®
24° ©
Q' - Add 0.5 quart (0.47 litre) for electric start modeis.
© - Magneto Ignition
® - With Spark Advance
© - Battery Ignition
© - Magneto Ignition with Spark Advance
3

Onan CCKA Specifications

General

Cylinders	2
Ignition System	Battery ignition
Engine Type	4-cycle
Bore	3.25 in (82.55 mm)
Power Output	Varies with model. e.g., 6.5 kW (CCK)
Horsepower	10 hp
Starter	Electric