Offy Plans – Finalize Crankcase

Finalizing the Crankcase

Today I worked on finalizing the crankcase which consisted of insuring the crankcase properly interfaces with all of the mating components. What this boils down to is making sure all the attachment holes match the mating components and that all the holes are accounted for. Also that the holes don’t run into each other inside the part.

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The breathers in the side cover will function, they are connected to large holes to the top of the inside crankcase and there are small holes that act as oil drains near the bottom of the breathers. Reviewing the above image, I think I can eliminate the block hold down screws behind the camshaft oil return holes.

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Most of the above is self explanatory. The timing gear bearing relief insures that the bearing can be fully seated in the bearing pocket and that the inner race does not interfere with the inside of this pocket.

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Above shows the crankcase side breather panel in place and below shows the detail under the cover. I like the way I was able to hide the crews that join the two crankcase halves behind the side panel. A ball end Allen wrench will be able to tighten these screws.

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I also worked on some of the smaller parts highlighted in the next two images: The breathers, bell housing, fly wheel, front motor mount, right side block and crankcase covers.

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And then on to the Honey Do list, sand blast and repaint the patio furniture. With a little help from Harvey.

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