PISTON, PISTON RING, PISTON PIN CONSTRUCTION [L5]SM1934273
PISTON, PISTON RING, PISTON PIN CONSTRUCTION [L5]

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• The pistons are made of aluminium alloy, which withstands heat and is highly conductive.
• The offset pistons are used to reduce piston-slapping noise.
• To prevent the piston from being reassembled in the wrong direction, the front mark (←) is on the piston.
• The piston has valve recesses on the intake side.

Piston Specification.

ITEM

Specification
Outer diameter
mm {IN.EN_UK}
88.965—88.995 {3.5026—3.5037}
Offset quantity
mm {IN.EN_UK}
0.8 {0.03}
Compression height: A
mm {IN.EN_UK}
28.5 {1.12}
Piston height: B
mm {IN.EN_UK}
50.6 {1.99}

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• The following piston rings have been adopted: Barrel face ring for the top ring, a taper under cut ring for the second ring, two scuff rings and an expander for the oil ring.
• The piston pin is made of chrome steel alloy, which has superior rigidity.
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