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Thread: Clutching/electrical questions

  1. #1
    Junior Member Mini
    Join Date
    Mar 2019
    Location
    S.E Wisconsin
    Posts
    2


    Default Clutching/electrical questions

    Hello guys, new to the VMAX 4 800. I have been around sleds my whole life but never have owned a VMAX. It is a 1997, barn find, only has 1200 miles on it and I can eat off of it, super clean. The bad- it has rpc twin pipes on it and has a bender orange cdi box. When I purchased it, everything was there but previous owner had the motor out to use in a dune buggy which never panned out. I have all the parts and slowly piecing it back together. I am at the point now where I am running the electrical harness and trying to figure out the oil fuel lines to carbs and engine etc. The sled also didnít have a clutch but I have found one, just need a good starting point from someone for the spring and weights for primary. Guessing itís around 165 hp?? Any pictures would be great to look at so I can properly route everything the way it should be. Thanks!

  2. #2
    Member Mini
    Join Date
    Dec 2007
    Location
    Northern Wisconsin
    Posts
    46


    Default

    It's hard to show a photo of the fuel lines without removing the air boxes but I can try to explain. Each fuel pump has a crankcase pulse line. It's usually black and it's the largest diameter line. Connect a pulse line to each fuel pump. The oil pump has two small lines each with a small metal sleeve. A small diameter line runs from the oil pump to each of the fuel pumps. The medium sized clear lines run from the fuel pumps go to each pair of carburetors. Yamahas mix the oil and fuel in the fuel pumps. The mixed fuel then travels to the carburetors. If you need more help let me know. We've been running Vmax4 s since 1992. Good luck.

  3. #3
    Junior Member Mini
    Join Date
    Mar 2019
    Location
    S.E Wisconsin
    Posts
    2


    Default

    Thanks! Can you pm me?

  4. #4
    Senior Member Open Mod
    Join Date
    Jun 2007
    Location
    Burlington Wi.
    Posts
    1,087


    Default

    Sent you a PM, I'm in SE WI too and can probably help you a lot.

    opsled
    I reserve the right to change my mind if someone can prove to me it needs replacing.

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