The 171cc 4-stroke engine of the YP30 pumps up to 980 litres/minute through its thirsty three-inch port.

• Reliable and fuel efficient, Yamaha MZ175 (171cc), air-cooled, OHV, 2-valve, 4-stroke engine (5.5 hp)
• 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.
• Large muffler for quiet operation
• On - off fuel petcock for easy transporting and storage.
• 4.5 litre fuel tank
• 80mm / 3" self-priming, centrifugal type pump
• Maximum capacity is 980 litres per minute (216 Imp. gal / min)
• Total head is 31m (101.7 ft.), suction head is 7 m (23 ft.)
• Priming time is 120 seconds at 5 meters (16.4 ft.)
• Volute style case and impeller are made of cast iron for greater strength and excellent durability.
• Dependable carbon-ceramic mechanical seals are durable, easy to replace and they reduce abrasion and friction for long pump life.
• Standard National Pipe Thread (NPT) fittings for fast, easy connection of suction and discharge hoses.
• Sturdy perimeter tubular steel frame encases all components for extra protection.
• Easy access pump case drain, easy access oil plug and easy access washable foam air filter element
• Cleanable spark arrestor
• EPA Emission Engine Life Rating - The YP30G meets the strictest environmental standards
• Standard 3-year warranty for both private or commercial use, on all Yamaha water and trash pumps