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Jet Boats
General Jet Boat Discussions
Yamaha Jet pump all-stainless wear ring assembly
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<blockquote data-quote="bellman" data-source="post: 399126" data-attributes="member: 20102"><p>You shouldn't have to change anything. Essentially, if you have a boat that an OEM Yamaha 144 pump bolts into, a Skat pump made to be used in place of the OE 144 will bolt in with no mods needed. Even the setback version bolts in directly. It just requires a 1" longer driveshaft. Normally a setback would be ordered with a shaft for the ski model it's to be used with so it's a simple pump swap. The Skat made shaft for the setback is a good bit more money than just installing your stock shaft into a non-setback. For the Yamaha Superjet (yamaha's stand up ski) a stock driveshaft for a Yam Blaster is the same length as the setback shaft for a Superjet. Some guys have bought cheap aftermarket blaster shafts and machined them to work in a sj instead of buying the Skat shaft. The other simple option is to use a mid shaft from another yamaha that will give you the needed overall length. That only applies if you used the OEM midshaft housing to connect your motor to the pump. If I'm not mistaken, Atlantic Jet Sports has all the yamaha drveshaft and midshaft lengths listed on their website so you can find a combo that will work. It all sounds really complex, but it's really pretty straight forward basic mechanic stuff. Hope that makes sense??? :? </p><p></p><p>Charles</p></blockquote><p></p>
[QUOTE="bellman, post: 399126, member: 20102"] You shouldn't have to change anything. Essentially, if you have a boat that an OEM Yamaha 144 pump bolts into, a Skat pump made to be used in place of the OE 144 will bolt in with no mods needed. Even the setback version bolts in directly. It just requires a 1" longer driveshaft. Normally a setback would be ordered with a shaft for the ski model it's to be used with so it's a simple pump swap. The Skat made shaft for the setback is a good bit more money than just installing your stock shaft into a non-setback. For the Yamaha Superjet (yamaha's stand up ski) a stock driveshaft for a Yam Blaster is the same length as the setback shaft for a Superjet. Some guys have bought cheap aftermarket blaster shafts and machined them to work in a sj instead of buying the Skat shaft. The other simple option is to use a mid shaft from another yamaha that will give you the needed overall length. That only applies if you used the OEM midshaft housing to connect your motor to the pump. If I'm not mistaken, Atlantic Jet Sports has all the yamaha drveshaft and midshaft lengths listed on their website so you can find a combo that will work. It all sounds really complex, but it's really pretty straight forward basic mechanic stuff. Hope that makes sense??? :? Charles [/QUOTE]
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Jet Boats
General Jet Boat Discussions
Yamaha Jet pump all-stainless wear ring assembly
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