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I wish I had another ski to measure off of, but it seems like the midshaft is in about the correct spot to work. I won’t know until I check actual spline depth and the coupler alignment…

If the shoe fits... WEAR IT!!!

I removed the stock pump and flipped the ski over to see what I was working with… it looks like most of the thickened epoxy squeezed through the large gaps to the bottom side of the hull. The tunnel seems lower than I would have expected, but the alignment is ideal. I decided to try another pump...

From what I understand, when you mount the 144 tunnel in the same place as the FX tunnel, it places the pump shoe and pump mounting 2" further back. This allows you to use a stock length Superjet driveshaft with the FX-1 midshaft. If my measuring was correct, we will see if it works ha. There is...

I was planning on using the FX midshaft. I have a SJ midshaft also but I think that's too long... I measured the distance of the intake grate mounting holes to the bulkhead on the stock FX, and set this 144 tunnel in the same relevance to the bulkhead. (intake grate mounting holes are same...

haha the driveshaft tube slides in from the tunnel area and will be sealed with 5200! This was just an initial alignment for the entire tunnel graft, to get the tunnel straight and glued in to the hull. Now it won't move so I can really glass it in ;)

Cant wait for a full system!!! Im sure you'll have no problem finding folks to pre-order

Hold your breath…

Having trouble getting this tunnel where I want it. I have the pump perfectly aligned with the tunnel in this position and tightened down. There is a decent gap in front of the intake grate where the tunnel is lower than the hull itself. Should I just fill it and then sand and glass it level...

Oh awesome! I see now

Come get some! HOT HOT DEALS! This inventory WILL NOT LAST! haha

What are these?

Cool, it won't be strictly salt water use but it will be in the surf hopefully a few times a year! Today I will be aligning the pump and dropping in some thickened epoxy with chopped strand around the 144 tunnel. This will be my initial setting of the pump cavity. I am expecting the epoxy to get...

So, does anyone have a suggestion for an exhaust tube? I was thinking I could use this : https://hpsperformanceproducts.com/products/hps-two-half-inch-straight-aluminum-pipe-tubing-tube-16-gauge?variant=29074329370721 It says they do not recommend it for exhaust use, but I am assuming that...

Funny you mention that, We were thinking about finding a projector to play a jet ski film! I can and will bring my VCR

You are literally pointing at the torque spec! Yamaha is awesome and cast the spec into the cases on the bottom side. :) 2.8kg-m is about 20lb-ft of torque. I would do it in 2 steps at least, 10-12 on the first sequence, and 20 on the second.

If a copy makes it to me, Ill have it up in no time ;) maybe BK will dig his out and bring it to the freeride!

UPLOAD IT

Noooooo! If you find Jet Waves I can quickly make a digital copy for you from VHS. Wavehunters is on Youtube and another great surf video!

Seriously one of the best videos ever. 100%