5-36 ENGINE TOP END
Cylinder and Piston
The piston ring openings must be positioned as shown in
the figure. The openings of the oil ring steel rails must
be about 20° [A] of angle from the opening of the oil ring
Circle Mark [B]
Top Ring [C]
Upper Oil Ring Steel Rail [D]
Oil Ring Expander [E]
Lower Oil Ring Steel Rail [F]
Apply engine oil to the cylinder bore and the piston side
Install the cylinder while compressing the piston rings with
your fingers or the special tool [A].
Upturn the chamfering side of the belt.
Special Tools - Piston Ring Compressor Grip: 57001-1095
Piston Ring Compressor Belt,
Front Camshaft Chain Guide
Install the removed parts (see appropriate chapters).
Cylinder Wear Inspection
Refer to the Cylinder Wear Inspection in the Periodic
Piston Wear Inspection
Using a micrometer, measure the outside diameter [A] of
the piston 7.5 mm (0.30 in.) [B] up from the bottom of the
piston at a right angle to the direction of the piston pin.
95.970 ∼ 95.980 mm (3.7783 ∼ 3.7787 in.)
Service Limit: 95.82 mm (3.772 in.)
If the piston outside diameter is smaller than the service
limit, replace the piston.
Piston/Cylinder Clearance Inspection
Refer to the Piston/Cylinder Clearance in the Periodic