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Type: Posts; User: OsideBill

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    Sticky: The mating surface is smooth, I do not sand the...

    The mating surface is smooth, I do not sand the surface. I only address "high spots" that will hinder the surface from mating fully. any time metal is dinged, scratched, etc it raises material. I...
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    Sticky: A fine file held flat will knock down high spots...

    A fine file held flat will knock down high spots as well. I always worry recommending files as people can get carried away and remove too much material. Thats why I used the stone in my build. any...
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    Sticky: Remember this is a cleaning operation to make...

    Remember this is a cleaning operation to make sure there are no high spots, the goal is to only remove material that has been raised from being dinged or dented.
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    Sticky: sure is

    sure is
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    Sticky: Just like my picture shows with the metal facing...

    Just like my picture shows with the metal facing out that is the front seal.

    Rear seals the one with tabs faces out then the two knurled looking faces point at eachother it is not possible to get...
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    Sticky: You can use a fine file or anything flat, the...

    You can use a fine file or anything flat, the goal is to get any raised metal removed. anytime the edge is dinged it raises metal on the sealing surface 400 paper would work fine for this.
    Thanks...
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    Sticky: 1211 is all I have ever used for cases, most...

    1211 is all I have ever used for cases, most people I know around here use it as well. It is baiscally the same as Yamabond 4
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    Sticky: Read this thread it should answer your questions....

    Read this thread it should answer your questions. http://www.greenhulk.net/forums/showthread.php?122547-Thrasher63-GroupK-1390-motor-assembly&highlight=
    I do not put any oil in the crank until I am...
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    Sticky: I got it right Bill good thing Lowell pulled it...

    I got it right Bill good thing Lowell pulled it apart to port the cases, you would not have gotten very far with the set-up installed the way it was before. My favorite things were the smashed pin...
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    Sticky: I don't know what you two been smoking, it was...

    I don't know what you two been smoking, it was already a sticky :shock:
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    Sticky: Now I wrap a shop towel around each rod to...

    Now I wrap a shop towel around each rod to protect the case during handling.

    Then I wrap the case with shrink wrap to keep it clean until I am ready to install the Cylinders and Pistons.

    I like...
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    Sticky: Now I clean any excess 1211 from the outside of...

    Now I clean any excess 1211 from the outside of the case, I use alcohol and a shop rag for this
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    Sticky: Now Install the Lower case half on to the upper...

    Now Install the Lower case half on to the upper case half.
    Start installing the bolts, I use Blue Loctite for this.
    I install all the 8mm bolts first and torque to 8 ft-lbs, then I install the 6mm...
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    Sticky: Now it is time to apply the adhesive to the lower...

    Now it is time to apply the adhesive to the lower Crancase half, follow the same procedure outlined above for the 1211 and loctite application.
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    Sticky: Now it is time to install the crank. Make sure...

    Now it is time to install the crank.
    Make sure when you drop it in that the front bearing alignment hole is in the correct position and the center bearing pins are facing up.
    Align the remaining...
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    Sticky: Now I use a little bonding compound on the...

    Now I use a little bonding compound on the bearing journal surfaces. I apply 4 drops to each area then wipe with my finger to create a thin coat on the bearing surface.
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    Sticky: Now I am ready to start applying the sealant to...

    Now I am ready to start applying the sealant to the case halves, I start with the upper case.
    I use a very small amount of 3-bond 1211 on my finger tip and dab this on the surface to be sealed....
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    Sticky: Now I prep the Crank Shaft, I start by cleaning...

    Now I prep the Crank Shaft, I start by cleaning all the bearing surfaces. I wipe them clean with alcohol and dry them.
    Then I prep the seals for installation.
    I fill the inner portion of the seal...
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    Sticky: After everything is cleaned I do another final...

    After everything is cleaned I do another final wipe down of the mating case surfaces with some acetone. I then install some bolts to act as legs for the upper case half to give me clearance when I...
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    Sticky: GPR Crank installation and crankcase sealing

    I just installed a newly rebuilt Crank shaft and sealed a set of cases. I took some pictures to share so here you go.

    I did quite a bit of prep work prior to the assembly, and to me this is key...
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