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LML Engine Swap into a 1963 VBB

 
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Chatis
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Joined: 31 Mar 2015
Posts: 11
Location: Kansas
Stella 2T

PostPosted: Thu May 28, 2015 2:06 am    Post subject: LML Engine Swap into a 1963 VBB Reply with quote

Hi all,

Finally did the swap today. Petrified to tackle the electrical piece of this but right now have a mechanical issue.

Mechanically the engine went in fine. Problem is there is interference between the carb box and the frame. Its not touching but it is impossible to get the carb box cover on the carb box and there is no weight on the rear wheel yet. The shock seems to have an extension on it already. It measures around 13" with approx a 2" extension. Is it the wrong shock.

Any help appreciated.
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PeteH
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Joined: 17 Jan 2011
Posts: 2287
Location: 3603mi SE of Dutch Harbor
'09 Italia 150, '80 P200E

PostPosted: Fri May 29, 2015 8:38 pm    Post subject: Reply with quote

Wasn't the VBB an 8" wheel bike? So upgrading to 10" should theoretically need a longer shock (or some combination of the shock and remounting) to lengthen it. Was it already upgraded to 10's when you got it?

You might look over on ModernVespa.com in the Not-So-Modern section - I think I've seen conversion notes over there.

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Chatis
Member


Joined: 31 Mar 2015
Posts: 11
Location: Kansas
Stella 2T

PostPosted: Mon Nov 02, 2015 11:49 pm    Post subject: Closing the loop on this Reply with quote

The solution was actually a shorter shock. I removed the spacer and put some washers on the stud. Thanks to Dave at Scoot Mercato for the info. Electrical was a nightmare! Sorted it out but the choice of EC Unit and the mismatching of the colored wires was pissy. The scoot rocks with the new engine. It outperforms my Stella/LML by a mile - even with the PX jetting.
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