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I think i got the basics of dual cooling. I need to tap a brass fitting into the pump bump right across from the stock one. Then run a hose from that to the stock bilge line. But when it gets in the hull, where Do I go with it? My West coast head has a few areas for fittings, is this where it...

What the title sais!?!?!? thanks!

I have added the following mods this year and am wondering what prop I should go with. I'm currently running a solas IJK 15-19 which came with the ski. I ride purely flatwater. Whats all this hooker talk about? What about blowsions "cut back" setup? Mods that matter: Riva CDI 200psi...

I'm boring my reduction nozzle to 85mm. Should I grind away the stock bilge pump casting inside and fill the hole with jb weld?

I just bought a riva red pipe and planned on restoring it. Well after some reading I found that a lot of people are having problems with them getting a "small hole" plugged. Apparently there is a small hole in the pipe to allow water to enter. Problem is, When I pulled all 3 water fittings...

I'm porting my cylinder in accordance with the great porting thread on here. But I'm a little hesitant at this point. Ive ground a lot away. But I'm not sure of the final shape of the tunnel. I'm not sure if it needs to be straight from the window the the exhaust manifold mount, or it needs...

Can I use Wiseco piston pins with my stock pistons? Its a 61x superjet.

I'm running a 61x motor. Stock bore, low end sport ported. Riva red pipe and west coast head running around 200psi. What would be my best next motor mod? -Carb? or Carbs? I hate to spend the money on 1 aftermarket carb when ill probably go to 62t cases this summer or fall.

I am trying to repaint a riva pipe, stator cover, and ride plate but the damn paint is so stubborn and the parts are aluminum. Is there some crazy good stripper that anybody knows of? I'm thinking of using some MEK but that stuff is really nasty and its hard to find except at the aircraft shop.

I bought a blowsion dual exhaust kit and a riva pipe from rossthaboss11. Very fast shipping! Great seller.

I've got a Riva groovy ride plate that seems super long. I'm a flatwater guy and I'm thinking it might need a D cut or just hacked off. Anybody have experience with these?

My transfer ports look like they are very overlapped. Should I match them? Is this the stock sleeve? Also, my sport port template doesn't match my intake side. My cylinder is stamped 61x and the template is labeled 61x? Do these look like the stock sleeves?:pancake:

Ive got a 61x that i would like ported for freestyle. Group K looks to me like a race port by looking at there website. Who else ports? Whos good, whos not?

Ive got a square nose that i just deleted the rear exhaust tube when reworking the rear end. How do you guys get the exhaust on the left side of the ski with the waterbox exit on the right? basically, im wondering how everybody plumbed there setup.

Ive got some oily substance all over the inside of my flywheel/stator cover. Does this mean I have a blown crank seal??? The engine has been running great.

Im going to be running poly under my tray and am wondering where, and how much you reinforced. Am I ok with 3 layers? or do I need more? I had to take the tray apart and refoam because my foot went through it in the first place.

So this winter Id like to factory pipe my ski. Also an aluminum waterbox to a blowsion exhaust exit. I plan to remove the tube from under the tray. Also, Im refoaming. My questions are... Ive heard something about polystyrene. Is this waterproof and where can I get it? If it is...

I just recieved my jetworks FCV. Ive got a WF head on the ski that is capped at the top and the line off the top of the manifold just goes to my pisser. They arent connected. Where am I supposed to run this thing? 701 superjet with stock exhaust btw.

Ive got a 61x 701 that has a head and a riva cdi in it. I'm running about 180 lbs of compression on 93 octane. Is there any reason why my jet sizes are richer than stock? Should I go back to stock size? Or 1 size richer than stock?

What are the stock jet sizes on a 701 superjet 61x motor? I've just got a K&N intake, boyeson reeds, and watercraft factory head.