Onan LK Series - Generator Specifications; Tune-Up Specifications

SPECIFICATIONS
M = manual start
R-= remote start (electric crank)
MODEL SERIES
2.5LK
1.7LK
M R
Nominal dimension of plant (inches)
Height 21 21
Width i .• 18-5/16. . 18-5/16
Length 27-1/4 25
Number cylinders 1 1
Displacement (cubic inch) 24.9 24.9
Cylinder bore 3-1/4 3-1/4 .
Piston stroke 3 3
RPM (60 hertz) 1800 1800
RPM (50 hertz) 1500 1500
Compression ratio : 5.5 5.5
Ignition (type)
• Flywheel magneto Yes; No
Battery voltage (AC plant) None . 12 Volt •
Battery size (AC plant):
- SAE group IH , two 6 Volt
in series
Amp/hr. SAE rating—20 hr. (nominal) ' • 105
Starting by pull rope (recoil) only Yes 'No
Starting by exciter cranking No Yes.
Battery charge rate (amperes)... 8 Maximum
Ventilation required (cfm @ 1800 rpm)
Engine 300 300
Generator :.. 60 60
Combustion 20 20
Output rating (power factor) ...: 1.0 1.0
Rating (output in watts)
60 hertz (general utility) 2500 2500 ..
50 hertz (general utility) .•; .' . . 1700 1700
AC voltage regulation in ±% 6 6
AC frequency regulation in % 5 5
Revolving armature generator , Yes Yes
120/240 volt single phase model reconnectible No No
TUNE-UP SPECIFICATIONS
Spark Plug Gap
Gasoline
Gas
Ignition breaker point gap (at full separation)
Ignition timing
Tappet adjustment
Intake
Exhaust
Carburetor float adjustment
Cylinder head torque
.025"
.018"
.020"
19
0
BTC
.007" to .009"
.015" to .017"
11/64"
27 to 29 foot lbs.