Yamaha XMAX YP125R - Service manual > Cylinder and piston

Removing the cylinder and piston
Removing the cylinder and piston

Removing the piston

1. Remove:

NOTICE

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

TIP

Piston pin puller set 90890-01304

Piston pin puller YU-01304

Removing the piston

2. Remove:

TIP

When removing a piston ring, open the end gap with your fingers and lift the other side of the ring over the piston crown.

Removing the piston

See also:

 Yamaha XMAX YP125R - Service manual > Installing the valves

The following procedure applies to all of the valves and related components. 1. Deburr: Valve stem end (with an oil stone)

 Yamaha XMAX YP125R - Service manual > Checking the cylinder and piston

1. Check: Piston wall Cylinder wall Vertical scratches → Rebore or replace the cylinder, and replace the piston and piston rings as a set.

Maxi Scooters: