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A Genuine Yamaha Parts & Accessories Primer Pump Assembly to pump fuel through the system and replace trapped air.
Information:
Yamaha Over 90HP 8mm Primer Bulb
Fitment: Yamaha
Various Two Stroke & Four Stroke
Barb Size: 8mm / Large Bore
HP Rating: Over 90HP
Please Note: May fit other models or years not listed
What is the use of primer pump?
The purpose of the primer pump is to pump sufficient fuel from the supply tank to the engine and particularly to the injectors of a diesel engine to enable the engine to be cold-started without excessive use of the electrical system which normally operates the fuel pump.