Service Manual

5
General Specifications
MODEL
LC154FS (Recoil Start)
LC154FDS (Electric Start)
Engine Type
OHV Single Cylinder, Four Stroke, Forced Air Cooling
Displacement (cc)
87
Bore x Stroke (mm)
54 x 38
Compression Ratio
8.0:1
Oil Capacity
12 oz. (0.35 l)
Engine Operating RPM
4350 - 4650 RPM
Fuel Capacity
0.4 Gal. (1.5l)
Fuel Type
Unleaded Gasoline, 87 Octane
Ignition System
T.C.I Transistorized Magneto
Lubrication System
Splash
Cylinder
Aluminum with Cast Iron Bore
Engine Specifications
Part
Item
Specification
Carburetor
Float Height
0.748” (19mm)
Spark Plug Gap
Gap
0.0275 - 0.0314” (0.7-0.8 mm)
Valve Clearance
Intake Cold
0.0059” (0.15 mm)
Exhaust Cold
0.0078” (0.20 mm)
Ignition Coil
Resistance (primary)
1-1.6Ω
Resistance (secondary)
15K Ω ±15%
Gap to Flywheel
0.011- 0.019” (.3-.5 mm)
NOTE: The only internal parts available for this engine are gaskets and seals.
Rocker Arm
1