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Jon and V Boat Conversions & Modifications
Trying to put seadoo 717 motor in 1542 flatbottom
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<blockquote data-quote="PSG-1" data-source="post: 237687" data-attributes="member: 6937"><p>A yamaha pump won't just bolt up to a sea doo engine. The Yamaha uses a spartan jaw coupler system, while the sea doo uses a spline drive and a heavy harmonic balancer.</p><p></p><p>What you CAN do is to get the yamaha pump, and the 2 halves of the spartan jaw coupler, with the rubber 'spider' that goes between them. At that point, you can cut threads on one spartan jaw coupler to match the threads on the PTO of your sea doo engine. Then, you can modify the yamaha pump driveshaft with a threaded end, and cut matching threads into the other half of the spartan jaw coupler. (this is basically what I did with my engine)</p><p></p><p>Since you'e inquiring about a yamaha jet pump, check out my aluma-jet thread, as it uses a yamaha XL1200 bolt-in aluminum intake scoop, instead of a fiberglass scoop.</p></blockquote><p></p>
[QUOTE="PSG-1, post: 237687, member: 6937"] A yamaha pump won't just bolt up to a sea doo engine. The Yamaha uses a spartan jaw coupler system, while the sea doo uses a spline drive and a heavy harmonic balancer. What you CAN do is to get the yamaha pump, and the 2 halves of the spartan jaw coupler, with the rubber 'spider' that goes between them. At that point, you can cut threads on one spartan jaw coupler to match the threads on the PTO of your sea doo engine. Then, you can modify the yamaha pump driveshaft with a threaded end, and cut matching threads into the other half of the spartan jaw coupler. (this is basically what I did with my engine) Since you'e inquiring about a yamaha jet pump, check out my aluma-jet thread, as it uses a yamaha XL1200 bolt-in aluminum intake scoop, instead of a fiberglass scoop. [/QUOTE]
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Jon and V Boat Conversions & Modifications
Trying to put seadoo 717 motor in 1542 flatbottom
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