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Powerful, reliable and ready for action

The YP20G delivers 600 litres-per-minute performance but does it with utter reliability and impressive levels of economy, thanks to the smoothly efficient OHV 4-stroke Yamaha engine. This efficient, easy-start unit, with its electronic ignition and large muffler, ensures an unusual level of quietness too.

In fact, special features that ensure long life and user-friendly operation are built into every part of this tough workhorse, so it really lives up to its name - Yamaha.


  • Powerful 4hp Yamaha 123cc OHV 4-stroke engine
  • Auto-decompression system for easy starting
  • Maintenance-free electronic ignition systerm (TCI)
  • Large muffler for extra-quiet operation
  • Reliable & fuel efficient - with long engine life
  • Self-priming centrifugal pump with 50mm/2" ports
  • Max pump capacity - 600 litres per minute
  • 30m total head with 7m suction head
  • Priming time is only 120 secs at 5m
  • Large capacity (4.5L) fuel tank for long running
  • Cast iron cylinder liner for longer engine life
  • Sturdy tubular metal wrap-around frame
Alla funktioner och tekn. spec.


Every Yamaha machine, from motorcycle to outboard to snowmobile, is designed and engineered to make your life more relaxing and enjoyable - and in the case of our water pumps, to turn a messy chore into an easy task! For over 30 years, we've been meeting the needs of consumers and professionals by constantly introducing the very latest technologies and innovative features into our line-up.

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    Always wear a helmet, eye protection and protective clothing. Yamaha encourage you to ride safely and respect fellow riders and the environment. Images shown depict professional riders performing under controlled conditions. Specifications and appearance of Yamaha products as shown here are subject to change without notice and may vary according to requirements and conditions. For further details, please consult your Yamaha dealer.