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Piston & Rod Assembly: Notes

NOTE: The group code letter "A", "X" or "B", the piston code number "05" or "06", and the driving direction arrow are punched into piston crown. The group code letter is also punched into cylinder crankcase parting surface.

For repairs, only pistons with group code letters "X" are available. These pistons are also for installation in cylinder bores with group code letters "A" or "B". In the event of repairs, hone cylinder bores according to dimensions of available pistons "X", plus piston clearance.