Specification model:

Upgraded four-stroke with [1 domestic chain]]

Upgraded four-stroke with [2 domestic chains]]

Upgraded four-stroke with [3 domestic chains]]

Upgraded four-stroke with [4 domestic chains]]

Upgraded four-stroke with [5 domestic chains]]

Upgraded four-stroke with [1 imported quenching chain]]

Upgraded four-stroke with [2 imported quenching chains]]

Upgraded four-stroke with [3 imported quenching chains]]

Upgraded four-stroke with [4 imported quenching chains]]

Upgraded four-stroke with [5 imported quenching chains]]