Suzuki WagonR+ RB310 Service Manual page 1919

1. Front mark
2. 1st ring end gap
3. 2nd ring end gap and
oil ring spacer gap
4. Oil ring upper rail gap
5. Oil ring lower rail gap
6. Intake side
7. Exhaust side
1. Crankshaft pulley side
2. Flywheel side
3) Install piston rings to piston:
D As indicated in figure, 1st (1) and 2nd rings (2) have "RN" or
"R" mark respectively. When installing these piston rings to
piston, direct marked side of each ring toward top of piston.
D 1st ring differs from 2nd ring in thickness, shape and color of
surface contacting cylinder wall.
Distinguish 1st ring from 2nd ring by referring to figure.
D When installing oil ring (3), install spacer first and then two
rails.
4) After installing three rings (1st, 2nd and oil rings), distribute their
end gaps as shown in figure.
INSTALLATION OR CONNECTION
1) Apply engine oil to pistons, rings, cylinder walls, connecting rod
bearings and crankpins.
NOTE:
Do not apply oil between connecting rod and bearing or be-
tween bearing cap and bearing.
2) Install guide hoses over connecting rod bolts.
These guide hoses protect crank pin and threads of rod bolt from
damage during installation of connecting rod and piston assem-
bly.
3) When installing piston and connecting rod assembly into cylin-
der bore, point front mark (punch mark or arrow mark) on piston
head to crankshaft pulley side (1).
ENGINE MECHANICAL 6A-57