I just wanted a priming system for tri-power to be used after long inactive times with all gas evaporated from carbs. Hard on starters with extended cranking to fill carbs.
First used the electric pump and check valves and on a momentary contact toggle switch. Just hold the switch for 25-30 seconds then pump the accelerator once and it starts right up. But if I looked in the ends of the check valves it looked like a lot of restriction. So to get away from the restriction I changed to a switchover valve like would be used with saddle tanks on a truck. Same principle. Hold the momentary switch for a bit and start it up. If I was in a street race I could always hold the switch for a quick fuel boost. But I really don't drive it that way. Just a cruiser.
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