Powered by Yamaha's MZ175; 171cc, air-cooled (with fan assist), OHV, 4-stroke, single with electronic transistor controlled (TC) ignition.
Auto decompression system reduces engine compression to provide a light recoil starter pull for effortless manual starting.
Manual choke.
Cast iron cylinder liner provides excellent heat dissipation and extends service life.
Yamaha's Oil Watch Warning System automatically shuts off the engine when oil level is low and will not re-start until oil is added, preventing costly engine damage and enhancing long-term durability. Low oil warning light will illuminate on the front panel too.
Easy access, washable foam air filter reduces maintenance costs.