X2 750 cooling lines

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  1. #1
    PWCToday Newbie
    Join Date
    Jul 2018
    Paso Robles, ca

    X2 750 cooling lines

    so I have searched and read numerous threads on this iissue and have yet to feel 100% sure on the routing and purpose of the cooling system. Can one of you post a simple diagram of the cooling system?
    I am a new X2 owner and have a problem. My ski is melting the robber hoses.
    I have a 750 with Westcoast exhaust manifold and Coffman Head pipe.
    The rear fitting from the head goes from 3/8” to 1/4 “ and out port side pisser. The nipple off of rear of the head pipe splits to starboard pisser and end of pipe near waterbox (HOT).
    The front fitting on the head goes straight to front of head pipe right above exhaust manifold. The line off of the rear head fitting keeps getting hot and goey, melting. They used air line which might be too light of material(vinyl maybe) This line has a small restricting tube inside in both outlets, I assume to build some heat in the exhaust.
    The 1-3/4” coupling hose from the pipe to the elbow and the elbo to the waterbox are both blistering and melting down. I am having a hard time keeping this running due to heat and exhaust leaks. Any help would be greatly appreciated.
    Last edited by airbornjim; 08-12-2018 at 03:24 AM.

  2. #2
    Resident Guru JC-SuperJet's Avatar
    Join Date
    Jul 2013
    Cypress, TX

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