Suzuki DF 90 Service Manual page 204

PISTON TO CYLINDER
1. Install conrod bearing to conrod and conrod cap.
• Assemble each conrod bearing to its original posi-
tion.
• Do not apply oil between conrod and bearing or be-
tween conrod cap and bearing.
2. Apply engine oil to piston and cylinder walls.
3. Insert piston and conrod assembly into cylinder bore from
cylinder head side using special tool.
09916-77310 : Piston ring compressor
NOTE:
Position "circle" mark on piston head to flywheel side.
POWER UNIT 6-59
Flywheel side Flywheel side
"Circle" mark "Circle" mark