MR2 L4-132 2164cc 2.2L DOHC (5S-FE) (1993)
8. Install Cylinder
(a) Using SST, slowly turn piston clockwise until the piston turns freely, then align the cylinder protrusion and piston stopper groove.
SST 09719-14020 (09718-00020)
(b) Fit the pad protusion into the piston stopper groove and install the cylinder.