Suzuki DF9,9 Service Manual page 158

6-38 POWER UNIT
1st ring and 2nd ring
1. Apply engine oil to piston rings.
2. Install 2nd ring and 1st ring to piston.

• Install 2nd ring to piston with the "R" mark toward
the piston head side.
• Install 1st ring to piston with its original direction.
There is no I.D. mark on the standard size 1st ring.
Ring gap direction
Position rings so that their gaps are staggered at approximately
90 degree angles as shown.
1 1st ring
2 Oil ring lower side rail
3 2nd ring
4 Oil ring upper side rail
PISTON TO CYLINDER
1. Apply engine oil to piston and cylinder walls.
2. Insert piston and conrod assembly into cylinder bore from
cylinder head side using the special tool.
 09916-77310: Piston ring compressor
NOTE:
Position the CIRCLE mark on piston head to flywheel side.
1st ring
2nd ring
1st ring
2nd ring
Mark "O"
Flywheel side
Circle mark " "
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