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  1. #31
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by IM2FAST4U View Post
    .100 thousands....so like 2.5mm as a mill is .039 thou
    So 1/10th of an inch change in engine shim thickness needed to get it properly aligned

    100 thou is 1/10th inch, aka ~2.5mm

    .100 inches is 1/10th inch


    .100 is already speaking in faction of an inch, so .1 (or .100) thousandths would be 1/10,000 of an inch

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  3. #32
    Bob 1tommygunner1927's Avatar
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    So, the missing 1/10" shim did this ^^^^?

    My 2013 TX engine to transome alignment was off more than the above pic as was my 2008 TX. Its not just the incorrect number or thickness off shims! There is a reason for a crowded splined driveshaft (at both ends)!

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  5. #33
    canadian iceman
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    .100 is 2.5mm
    There are 25.4 mm per inch so yes it is 1/10" to align my engine...the difference in vibration is incredible ...each mount received the 2.5mm shims to get this perfect...maybe to some this is not much but it WILL wear your carbon ring prematurely ...this px 300 had 7 hours and look at the pic with the black ring in the photo...its allot

    Its not JUST the amount i had to raise the engine but also it was totally crooked as per photo...now at wot..nice and smooooth

    I will say it was reasonably close on the for/aft measurement
    Last edited by IM2FAST4U; 09-05-2019 at 10:24 PM.

  6. #34
    I have the sensation that a lot problems of aligment from 2018-until now... and dont understand like brp dont solve it

  7. #35
    canadian iceman
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    if anybody that owns a 2018-2019 300 model I challenge you to check these item out on your ski and if you notice/experience what I have PLEASE contact your dealer ASAP so we can get this delt with on the production end!!Since this thread has been posted many have came forward yet on the Dealer forum nothing posted other than my situation...they wont do anything if nothing is mentioned/investigated

  8. #36
    Norm37's Avatar
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    Ok, just to make it clear. I purchased a brand new 2019 RXTX and i should check for the motor shaft alignment? It might not have been aligned properly from BRP manufacturing? WTF! At the price we pay these machines. So if read correctly I need to check if there are any shims at the bottom of the motor support and if I don’t see any there’s a huge chance my motor shaft is misaligned and will cause me $$$ down the road. Can someone post a pic of what we need to see in terms of shims that would be used to align the motor shaft,thanks.

  9. #37
    Bob 1tommygunner1927's Avatar
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    Shims!
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	89FC77FF-E67E-413C-8CC6-B6EE311C7183.jpg 
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  10. #38
    Norm37's Avatar
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    Hmmm, we can easily see these? Can you post a pic in your hull where I can see, if it’s to much of a hassle .
    Last edited by Norm37; 11-01-2019 at 04:05 PM.

  11. #39

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    You won't be able to determine if you have an alignment problem just by looking at the shims. They are there to correct the inherent error between the engine placement relative to the jet pump position so each machine will have a different requirement. What you need to look for are the symptoms of an improperly aligned engine/pump such as black soot on the bilge floor, cavitation, vibration, excess water in the bilge, etc.

  12. #40
    Bob 1tommygunner1927's Avatar
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