Suzuki TU250X Service Manual page 115

3-68 ENGINE
• Install the 2nd ring 4 and 1st ring 5.
NOTE:
1st ring and 2nd ring differ in shape.
• Face the stamped mark A upward when assembling.
• Position the gaps of the three ring as shown. Before inserting
each piston into the cylinder, check that the gaps are so
located.
PISTON
• Apply molybdenum oil solution to the piston pin and the small
end of conrod.
 MOLYBDENUM OIL SOLUTION
• Install the piston with the dent mark A facing towards the
exhaust side.
B 2nd ring and lower side rail
C Upper side rail
D 1st ring and spacer
1st ring
2nd ring
EX
120˚
120˚ 120˚
IN