Engine Mechanical: 1D-39
Piston Ring Components
B649G11406071
Piston Ring Removal and Installation
B649G11406070
Removal
1) Draw out the piston pin and remove the piston. Refer
to “Engine Top Side Disassembly: ”.
2) Carefully spread the ring opening with your thumbs
and then push up the opposite side of the 1st ring (2)
to remove it.
NOTE
Do not expand the piston ring excessively
since it is apt to be broken down.
3) Remove the 2nd ring and oil ring in the same
procedure.
2 [A]
2 [B]
5
0
2
N
2
N
N
N
1 [A]
1 [B]
50
3
[C]
4
4
I649G1140362-02
1. 1st ring [A]: Standard piston ring
2. 2nd ring [B]: Oversize piston ring
3. Oil ring spacer [C]: Color (Red is standard) (Blue is 0.5 mm oversize)
4. Side rail
: Measure the outside diameter to identify the size.
2
I649G1140320-01