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Discussion Starter · #1 ·
I have a 1996 Wave Venture 1100 for parts. Does anyone know for certain if its a 155mm or 144mm pump?
It is my understanding that a larger pump is best for a heavier craft. I am doing an engine swap in a 700lb jet boat with a 90hp 760 engine (originally a waverunner 3 driveline 650cc 144mm pump).
Before I spend $ sizing and test 144mm impellers I would like to know if I should start out with the 155mm pump and go from there.

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