Ignition.

Ignition.

5.2.2.3

Spark Plug.

5.2.2.3.1

The plugs recommended for the engine are Champion CJ-8, Auto-Lite A-71,

or AC-GC46. If resistor type spark plugs are desirable to decrease radio

interference, use Champion XJ-8 or equivalent.

Spark Plug Cleaning.

5.2.2.3.2

Clean spark plug with a pen knife or wire brush and solvent and set gap

at .025 for all models. If electrodes are burned away, or the porcelain is

cracked, replace with a new plug. Do not use abrasive cleaning machines.

5.2.2.3.3 F l y w h e e l .

The flywheel is located on the crankshaft with a soft metal key. It is held

in. place by a nut or starter clutch. The flywheel key must be in good con-

dition "to insure proper location of the flywheel for ignition purposes. DO

NOT use a steel key under any circumstances. Use only the soft metal key,

as originally supplied.

The keyway in both flywheel and crankshaft should not be distorted. The

flywheel is made of cast iron.

Remove Flywheel Nut or Starter Clutch.

5.2.2.3.4

On flywheels of 6-3/4 inch diameter or less, use flywheel holder SX-1566,

to keep flywheel from turning. Starter clutch used on rewind starter has a

right hand thread. Use SX-1567 starter clutch wrench. Refer to page 21

for list of special tools used on the SX-1086 engine.

For flywheels of larger diameter, place a block of wood under flywheel fin

to prevent flywheel turning while loosening nut on starter clutch.

5.2.2.3.5 Remove Flywheel.

Small cast iron flywheels do not require a flywheel puller.

5.2.2.3.6

Install Flywheel, Nut and/or Starter Clutch.

Remove all oil or grease, clean flywheel hole and tapered end of crankshaft

before assembling flywheel to shaft. Insert soft metal key into keyways. Slip