ZT173YMM-B (blocking) cylinder head cylinder head assembly
ZT173YMM cylinder piston assembly B (with cylinder pad and cylinder head pad)
ZT173YMM shifting mechanism B gear display sub-assembly
ZT173YMM left crankcase B gear display assembly
ZT173YMM right crankcase B gear display assembly
ZT180MN left crankcase cover assembly (2018 models)
ZT173YMM right crankcase cover assembly IIB (National IV)
ZT173YMM starting mechanism B file display assembly
ZT173YMM timing chain tensioning mechanism B gear display assembly