Toro 159cc User Manual

32
Crankshaft Bearing Free Play
1. Clean the bearing in solvent and dry it.
2. Spin the bearing by hand and check for play.
Piston Pin Outside Diameter
Standard
Service Limit
0.5118”
(13.0 mm)
0.51”
(12.954 mm)
NOTE: If this measurement is out of specification, complete engine replacement is required.
The only internal parts available for this engine are gaskets and seals.
Cylinder Taper and Out of Round
Inspect cylinder for taper and out of round with a bore gauge.
Measure in two different directions, front to back and side to side, on
three different levels (½”down from the top, middle and ½” up from the
bottom).
Cylinder Taper and Out of Round Specifications
Standard
Service Limit
2.559”
(65.0 mm)
2.566”
(65.165 mm)
NOTE: If this measurement is out of specification, complete engine replacement is required.
The only internal parts available for this engine are gaskets and seals.

Toro 159cc Specifications

General

Brand	Toro
Model	159cc
Category	Engine
Language	English