Engine Short Block Assembly - Zenoah CHTZ2401 Workshop Manual

4-10 Engine Short Block Assembly

Reassemble the engine in the reverse order of removal, and note these items.
● Apply 2T oil to the main bearing, smaller-end (needle) bearing, piston, inside of the cylinder, the space
between the weight and the bearing. Degrease the outer surface of the bearing and crank case ID at
bearing area.
● Apply grease to the lip area of the oil seal, and degrease the outer surfaces of the oil seal.
2T: 2-cycle Engine Oil
Snap Ring
Piston Pin
Piston
: Outer surface
Base Gasket
Cylinder
4. Engine Service Guide
Degrease.
Degrease.
Needle Bearing
Thrust
Washer
Thrust
Washer
Snap Ring
Degrease.
: Inside
MAG side
Oil Seal
Oil Seal
PTO side
13
: Lip area
Crank Case
Case Gasket
Snap Ring
Main Bearing
: ID
: Between the weight
and the bearing.
Main Bearing
: ID
Degrease.
Crank Case
: Lip area