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  1. #1
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    1050 vs. 1200 vs. MSX 1200

    I just got an email from skysprite23's hubby, the MSX 1200 is on the way (as soon as I pay for ship).

    What real world differences can I expect over the 1050 or the Virage 1200 engines?
    I understand that the cylinders are nik'd, and have triple exhaust ports, and some advantages of these.

    Also, will my 1200 mag housing and manifolds bolt on, or do I need to go aftermarket?


  2. #2
    ph2ocraft's Avatar
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    The MSX is an 85mm coated pistons versus 84 on the other 1200's,something that idiot Bryan doesn't know as he states ALL the 1200 pistons are the same.
    Triple ported cylinders make better power but you already know that
    So I would venture to say it's the MSX engine you want to use.
    Remember you can also have the pistons repaired and re-nik'd through Randy at Watcon.

  3. #3
    2&4strokepolaristech's Avatar
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    msx engine

    it all bolts up. that is the beauty of polaris. lots of interchangabilty. the msx engine is slightly bigger in cc's (1191vs 1163) and the exhaust port area is bigger giving you better torque in the midrange.sorry i started the post before dinner and then submitted after dinner and seen that Al had already responded. yes overall the msx design is better but requires different heads.
    the pistons that are used are snowmobile pistons and are coated with graphite to reduce fricton upon break-in just as Al had said in his response.
    Last edited by 2&4strokepolaristech; 09-05-2006 at 09:44 PM.

  4. #4
    ph2ocraft's Avatar
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    Man, I love that avatar of yours!!!

  5. #5
    2&4strokepolaristech's Avatar
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    the engine? thats my pro street engine in my 78' malibu.
    Last edited by 2&4strokepolaristech; 09-05-2006 at 10:20 PM.

  6. #6
    ph2ocraft's Avatar
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    Have a large photo? I LOVE POWER!!!!

  7. #7
    Connecticut CrazyA's Avatar
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    Now, what about all the talk of the MSX cylinders being the culprit of the MSX being so down on power? Isn't Wetherby going to want to get those massaged? The cylinders themselves are awesome, but they need work to make some real power, correct?

  8. #8
    2&4strokepolaristech's Avatar
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    msx cylinders

    yes they could use some work on the exhaust side. the transfers are right about where they should be. but the thing is that if he is going to run a single pipe i would see how the engine is stock on that boat and try a few diffrent props. it might be pretty good in a lighter hull and with a little pipe tuning/porting i think that is going to work well for him. Al, here is a bigger pic for you.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  9. #9
    ph2ocraft's Avatar
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    He can still add the base gaskets and play with raising the exhaust ports as well.
    Looking at 4strokes friggin engine also begs the question; What would a little juice do for the MSX engine??

  10. #10
    javiert99's Avatar
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    I <3 spray.

    I can't wait to spray the **** out my 355.

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