Yamaha 5TE-F8197-10, LIT-11616-16-02 Removing the Piston, Piston pin puller set YU-01304

CYLINDER AND PISTON

ENG

REMOVING THE PISTON

1.Remove:

●Piston pin clips 1

●Piston pin 2

●Piston 3

NOTE:

Before removing piston pin, deburr the clip groove and pin hole area. If the piston pin groove is deburred and the piston pin is still difficult to remove, use the piston pin puller 4.

Piston pin puller set:

P/N. YU-01304, 90890-01304

CAUTION:

Do not use a hammer to drive the piston pin out.

2.Remove:

●Piston rings

NOTE:

Spread the end gaps apart while at the same time lifting the piston ring over the top of the piston crown.

CHECKING THE TIMING CHAIN GUIDE

1.Check:

●Exhaust side timing chain guide Wear/damage → Replace.

CHECKING THE CYLINDER AND PISTON

1.Check:

●Cylinder and piston walls

Vertical scratches → Rebore or replace the cylinder and the piston.

●Cylinder water jacket

Mineral deposits/rust → Eliminate.

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