Gravely model L motorcycle day dreams...

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1sogdusm

New Member
Oct 18, 2014
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signal mountain
Can someone give me an idea of what model Gravely's used that twin cyl. engine. I need one of those, any idea on the weight of that engine? I can already see it shoe horned in a bike.
 

Ludwig II

Well-Known Member
Jul 17, 2012
5,071
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UK
This is just a thought, but an old 2 stroke has the advantage that they don't care whether they're upright, lying down or upside down so long as the carb works.

As for machining the Gravely for a drive side bearing, why do that, instead of mounting an outrigger bearing on the end of the shaft?
 

fasteddy

Well-Known Member
Feb 13, 2009
7,454
4,920
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British Columbia Canada
1sogdusm,

If you go back a bit on this thread and click on RicksRides name you can send him a P.M.
He has a vast knowledge of these motors and many others and can answer any questions you have.

From what I've seen just Goggling Gravely Tractor Twins they used Onan, Kohler and Vanguard V twins. Rick can tell you which one you should use.

Steve.