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The hull is made of SMC not Fiberglass and I would use epoxies for the resin over polyester. Polyester resins do have issued bonding to SCM.

I am sure most of the vintage guys are on here too.

Yes it has been done many times. A JS800 out of Japan is the one ski that comes to mind.

Finally got the rings.

That is a Vintage Cobb Zephyr Race Ski

Yes I have seen the ski you are talking about. They had pictures of it on PWCtoday, I will see if I can find them.

You probably need a Stator too if you blew a mag.

Will the clear powdercoat stick when the pole is sanded with 2000? Thank you for your input.

What would happen if you clear coat it after polishing?

Do you have the pickups and straps?

I got all sorts of 440 550 rare race parts put up a list or send me a PM of what you are looking for and I will see what I got.

jetski9010 what is that head in the picture of you motor. Is it a Ocean Pro Swirl Head for a 550 Piston Port?

Superjet-113 they started making the 440 in 1976 and yes they are white, but they also continued to make the 400 up thru 1978 and they are yellow. gijoe that's a great deal post some pictures of the ski.

A yellow ski with that hull # is a 77. my guess is it is probably a 400. I hope this helps.

Never trust dyno readings unless you are watching it!!!

jetski9010 I thought you would like to read this: I was sponsored by a company that was marketing/selling them called Dycorp, I used them on my race 550's and blew them up a lot until I figured out how to make them live. It took 112 octane w/200 lbs of cranking compression, set the timing...

No not yet I have collected a lot of information on it and talked to the guy that set them up back in the day. He gave me the specs. to set it up. These pipes are know for freezing motors if not set up right. I will let you know once I run the pipe.

I have one that I picked up on PWCtoday about a year ago cheap.