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  1. cjbchopper

    Octane Yamaha engine swap in the works!

    Turf done! Motor Runs! Daytona here we come!
  2. cjbchopper

    Octane Yamaha engine swap in the works!

    Got together with some friends last night and started the turf on a couple skis. Got the 785 engine all mocked up and shimmed in place.
  3. cjbchopper

    Octane impeller recommendation..

    I have ran a couple different props in my Octane. I went to a 14/21 Solas Concord and the red reduction sleeve. I was trying to get more bottom end, but it really did not work. I rode it one time and went right back to the stock 15/23 and blue sleeve in the nozzle. The lower pitch prop is...
  4. cjbchopper

    Super Jet What ride plate is this? OEM extended?

    Nice, Thanks Kahuna.
  5. cjbchopper

    Super Jet What ride plate is this? OEM extended?

    Any other opinions?
  6. cjbchopper

    Octane Yamaha engine swap in the works!

    I called Wamiltons and they gave me dimensions for the sponsons. I too thought they looked too far back, but that is just where they want them mounted. Blowsion mounts the tubbies much more forward, but Wamiltons wants these mounted further back. Even on an SJ, they want them mounted back a...
  7. cjbchopper

    Octane Yamaha engine swap in the works!

    Made some progress on the ski. Glassed in the tray. Mounted up a pair of Wamiltons front sponsons. Mocked up a stock 62t motor, drilled and tapped the plates, and epoxied them down. I took a grinder to the aluminum plates to make them really ruff to help with adhesion. Big bore mill should...
  8. cjbchopper

    Super Jet What ride plate is this? OEM extended?

    My buddy gave me this plate. He said it is off a SN. Says Yamaha on it, but it is longer that other SN plates I have, and has two small fins on the bottom. Is this just a stock plate??
  9. cjbchopper

    Octane Yamaha engine swap in the works!

    More progress. Stuffed the tray full of polystyrene, foaming over it with two part tomorrow. Cases are being machined for big bore sleeves. One month til Daytona!!
  10. cjbchopper

    Octane Yamaha engine swap in the works!

    Yeah, surely pump gas. I was running 93 octane.
  11. cjbchopper

    Surfriding Anyone know what sponsons these are ???

    Just did some digging online and they look like Wamiltons! Nice, I hope they work well on the octane!
  12. cjbchopper

    Surfriding Anyone know what sponsons these are ???

    Bought these in the classifieds a year ago. Guy said he thought they were Wamiltons, but he did not know. Anyone know what brand these are? Thanks!
  13. cjbchopper

    Octane Yamaha engine swap in the works!

    The Red flywheel has over one pound of metal removed in the mill. The red one is for '03-04 Octane. The other flywheel with the holes in it is lighter than the red one. I have never ran it, i am not sure what year it is removed from. The 1200 milled domes made about 155-160 compression.
  14. cjbchopper

    Octane Yamaha engine swap in the works!

    Anyone know what sponsons these are? I got these in the classified section a year ago or so. The guy I got them from said he thought they were made by Wamiltons. Any have an idea? I was planning on tossing them on the octane.
  15. cjbchopper

    Octane Yamaha engine swap in the works!

    Octane goods up for grabs. Complete stock E-box: $350 Zero lightened flywheel (red one on motor) $150. Other custom lightened flywheel, $100. Boyensen reed valves in mint conditon: $150 Domes off 1200, cut down .020: $100 for pair Octane Stator: $150 Custom made Mikuni Manifold...
  16. cjbchopper

    Octane Yamaha engine swap in the works!

    Yes, I will be sellling the Polaris motor and electronics. It seems that these skis generally always leak in the foam. I have had drain plugs installed for the last couple years. I plan on re-foaming this weekend, was thinking of doing the ping pong ball idea and foaming over the top of them...
  17. cjbchopper

    Octane Yamaha engine swap in the works!

    Got some work done tonight. Peeled out the old mounts. They came out pretty easily, there was not a very good bond to the aluminum. Should be getting a UMI coupler in a couple days so I can line up the drive train. I have two different props for the Solas pump, a 14/21 concord and the stock...
  18. cjbchopper

    Octane Yamaha engine swap in the works!

    I love the Polaris motors top end pull. I was running dual 46 SBN's, snowmobile head, Boyensen reeds, and watcon CDI. The motor made great mid and top end power, but I want the hit of a big bore Yam. Plus, I weighed my Octane motor, and weighed a Yamaha, almost a 25# weight difference. On...
  19. cjbchopper

    Octane Yamaha engine swap in the works!

    After much thought, I decided to go with a big bore Yamaha mill in my Octane. I have enjoyed running the Polaris motor, but I am ready to shave some weight and get some more low end punch. Figured I would post my build pics to keep the Octane section going. My foam was wet, so I gutted the...
  20. cjbchopper

    Other Lost skier in holland michigan

    The funeral was VERY well attended tonight. Kevin was such a strong personality there was a huge turnout! Glad to see all the fellow riders who made the trip out to show their respect. Hope the surf is always rocking in heavin buddy!!! We will do all we can to help Emily and the boys!!!
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