>> C << Piston Ring Number 2 / Piston Ring Number 1 Installation

WARNING: This page is about a different variant/trim than selected.

To prevent wrong installation, check the identification mark of each piston ring. The identification mark is stamped near the ring gap:

Identification mark:

Number 1 ring: 1R

Number 2 ring: 2R

NOTE: Size marks on piston rings are as follows.

PISTON RINGS SIZE MARK CHART

SIZE		SIZE MARK
Standard	No.1 ring	(None) White paint to the ring periphery
Standard	No.2 ring	(None) Black paint to the ring periphery
0.50 mm (0.020 in) oversize diameter		50
1.00 mm (0.040 in) oversize diameter		100

Fig 1: Identifying Piston Rings Mark

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Using the piston ring expander, fit number 2 into the number 2 groove of piston.
NOTE: Install piston rings with identification mark facing up, to the piston crown side.
Install the number 1 piston ring in the same manner as step 2.

Fig 2: Installing piston ring
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.