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  1. #1

    Did I ruin this new base gasket?

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ID:	325731Trying to install the cylinders on a yamaha 1200 npv but cannot get the crankshaft from moving, is there an easy way to install cylinder block? Also did I ruin this base gasket? The light purple lining got scratched off by the piston skirt while i was trying to install the block. I coated the base gasket with marine grease to help it seal


  2. #2
    Ski Hacks MG's Avatar
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    You coated the gasket with marine grease?

  3. #3
    Happily Self-Employed WFO's Avatar
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    Quote Originally Posted by Dapal79 View Post
    Click image for larger version. 

Name:	Base Gasket.jpg 
Views:	86 
Size:	115.5 KB 
ID:	325731Trying to install the cylinders on a yamaha 1200 npv but cannot get the crankshaft from moving, is there an easy way to install cylinder block? Also did I ruin this base gasket? The light purple lining got scratched off by the piston skirt while i was trying to install the block. I coated the base gasket with marine grease to help it seal
    just peel the rest of the membrane off the 1 cylinder

    it should seal

    I use grease sometimes too

  4. #4
    Myself's Avatar
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    You really need some extra hands to do the 1-piece triples. I have also heard a couple eye bolts into the top, and rope up over a truss and back down to your foot will give you sort of a support and lowering apparatus.

  5. #5
    leejax01's Avatar
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    That was the biggest pain to drop the cylinders back on the block. As long as the surface is flat, then should be fine. Learned the marine grease trick from Osidebill.

  6. #6
    Learned the marine grease tip on this site. Oside's sticky.

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