①活塞铝活塞顶上一般打印有0.00、0.25等字样,前者表示是标准活塞,后者表示直径加大0.25毫米活塞,它必须与内径镗大0.25毫米的缸套配用。②活塞环活塞环开口端印有“上”、“S”、“T”等字样的一面应朝活塞顶安装,防止将润滑油刮到燃烧室。③连杆连杆大头和连杆盖上都刻有字 ① Piston aluminum piston top of the general print 0.00, 0.25 and other words, the former said is the standard piston, the latter said the piston diameter increased 0.25 mm, it must be with the inner diameter of 0.25 mm cylinder bore with. ② Piston ring piston ring open end printed “on”, “S”, “T” and other words on the side of the piston should be installed to prevent the lubricating oil to the combustion chamber. ③ connecting rod connecting rod and cap are engraved with words