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Old 08-12-2019, 09:11 PM   #86
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Join Date: Oct 2018
Location: North Cali
Posts: 436
At last I found some time to work a bit on the engine. As a replacement of the original dual row IMS bearing I decided to go with a roller bearing designed for higher speeds and higher radial load. For thrust control I`ve thrown in a simple ball bearing that I had machined to fit behind the roller. It`s a 2T scooter crankshaft bearing with C3 clearance to bear high temperatures.

Together they are just as wide as the original.

I had a groove machined on the outer ring to fit the original snap ring.

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