Check Ignition.

Warped valve stems

Worn bore and/or rings

Broken connecting rod

Check Ignition.

5.2.2.l.3

Remove the spark plug. Spin the flywheel rapidly. If spark jumps the

. 166", you may assume the ignition system is functioning satisfactorily.

Try a new spark plug. This test can be made by holding the ignition

cable 1/8" away from the head,

If spark does not occur, look for:

Incorrect armature air gap

Worn bearings and/or shaft on flywheel side

Sheared flywheel key

Incorrect breaker point gap

Dirty or burned breaker points

Breaker plunger stuck or worn

Shorted ground wire (when so equipped)

Shorted stop switch (when so equipped)

10.

Armature failure

5.2.2.1.4 Check Carburetion.

Before making a carburetion check, be sure the fuel tank has an ample

supply of fresh, clean gasoline. On all models, inspect and adjust the

needle valves. Check to see that the choke close's completely. If engine

will not start, remove and inspect the spark plug.

If plug is wet, look for:

Overcooking

Excessively rich fuel mixture

Water in fuel

If plug is dry, look for:

Leaking carburetor mounting gaskets

Gummy or dirty screen or check valve

Inoperative pump (Pulse-Jet carburetors)

A simple check to determine if the fuel is getting to the combustion cham-

ber through the carburetor is to remove the spark plug and pour a small