Engine Assembly

When assembling the piston and rings into the cylinder, the end gaps should be:

• all in a straight line

• 120 degrees apart

• not more than .011"

• none of these are correct

When installing the camshaft, make sure that the:

• gear teeth mesh

• timing marks on the gear teeth line up

• cam lobes are in place

• bearings are loose

The crankshaft end play is checked with a dial indicator. If you get no reading it means that:

• the indicator is broken

• the crankshaft is too loose

• the piston rings are too tight

• none of these are correct

Answer explanation

The crankshaft is too tight.

The exhaust valve clearance is .009" to .011". If there is too much clearance:

• replace it with the intake valve as it is longer

• grind the end of the stem to the correct clearance

• adjust the tappet to the correct clearance

• replace with a longer valve

The cylinder head is fastened to the cylinder assembly:

• by torquing the bolts to 140 inch-pounds

• by tightening the bolts in a crisscross pattern

• by tightening the bolts in several stages

• all of these are correct

The breaker point gap is adjusted by:

• installing a condenser of the correct length

• rotating the crank to top dead center

• moving the condenser

• tightening the condenser clamp screw

A zinc key is used to align the flywheel because:

• it does not drive the flywheel

• it will shear easily

• none of these are correct

The armature air gap is set:

• by moving the condenser into position

• with a shim placed on the flywheel

• by aligning it with the zinc key

• none of these are correct

Assemble the carburetor and fuel tank onto the engine before you install:

• the blower housing

• the piston

• the flywheel

• the armature

Complete the engine assembly by installing a new spark plug.

• The gap should be .009" to .011"

• Torque it to 200 foot-pounds

• Before you install it, fill the cyilnder with 1 1/4 pints of detergent oil

• None of these are correct

Answer explanation

The gap should be .030". Torque to 200 inch-pounds. Add 1 1/4 pints of high-quality dtergent oil before you run the engine.