1930 - 733 crankshaft

Posted by Boweya On 2021/1/24 0:31:26
G’day
Hoping someone might be able to help, I have picked up the remains of a 1930 733 ( in pieces!,)

The crankcase number is *291898*

My current issue is the crankshaft that came with the it does not quite fit . Fits in all of main bearings, except #1 . The #1 bearing appears to be ~1/8” too wide ( at the timing gear end) vs the crankshaft journal. Even with the bearing shell out it will no go pass the crankcase web for bearing #1 (refer photo) .

My research of the parts manuals indicates the same crankshaft part # was used for 1930-1936 at least.

Any thoughts on what model the crankshaft is out of , any help would be much appreciated

Cheers Warwick

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