Our proven Yamaha MZ175 4-stroke engine offers reduced fuel consumption combined with outstanding reliability. Electronic ignition, low oil warning / shutdown system and a cast iron cylinder liner help get the job done quickly and efficiently.

• Reliable and fuel efficient, Yamaha MZ175 (171cc), air-cooled, OHV, 2-valve, 4-stroke engine.
• Auto decompression system reduces engine compression to provide a light recoil starter pull for effortless manual starting.
• Maintenance-free transistorized controlled electronic ignition (TCI) provides a hot spark for fast, easy starting.
• Cast iron cylinder liner provides excellent heat dissipation for consistent performance and long engine 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.
• Easy access oil drain plug and easy access washable foam air filter element
• Large muffler for quiet operation
• On - off fuel petcock for easy transporting and storage.
• 4.5 litre fuel tank with a 2.8 hour run time
• 50 mm / 2" self-priming, centrifugal type pump can handle debris up to 20 mm (0.79") in diameter
• Maximum capacity is 700 litres per minute (154 Imp. gal / min)
• Total head lift is 28 m (92 ft.), maximum suction head lift is 8 m (26 ft.)
• Pump body is made of lightweight aluminum
• Hi-chrome impeller and graphite iron volute casing for excellent wear resistance and durability. Both are designed to withstand wear from grit, sand, silt, etc. Impeller can be easily removed without special tools.
• Longer lasting, silicon carbide mechanical seals are both durable and easy to replace.
• 2" standard National Pipe Thread (NPT) fittings for fast, easy connection of suction and discharge hoses (suction and discharge hoses available separately from Yamaha Motor Canada Ltd.).
• Sturdy perimeter tubular steel frame encases all components for extra protection.
• Quick remove pump case access cover.
• Standard 3-year warranty for both private or commercial use, on all Yamaha water and trash pumps