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Rating: 3
67 A65LAxxxx-Y motor # ??????? #730004
03/26/18 6:56 pm
03/26/18 6:56 pm
Joined: Jan 2017
Posts: 1
Midwest, USA
W
wild bill Offline OP
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wild bill  Offline OP
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Joined: Jan 2017
Posts: 1
Midwest, USA
I've a '67 A65LA, first sold in the US in '68, with -Y on the motor serial number. Someone mentioned a thread on -Y number A65's, but I can't find it. Anybody familiar with this?

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Re: 67 A65LAxxxx-Y motor # ??????? [Re: wild bill] #730005
03/26/18 7:09 pm
03/26/18 7:09 pm
Joined: Jun 2013
Posts: 91
Texas, USA
R
Ray Elliott Offline
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Ray Elliott  Offline
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R
Joined: Jun 2013
Posts: 91
Texas, USA
Here you go. Interesting reading. I'm 100% convinced of the tax scheme.
Calling all Y Owners


Ray Elliott
---
A65, A70, A75, T120, T140, T150, T160
Re: 67 A65LAxxxx-Y motor # ??????? [Re: wild bill] #730056
03/27/18 8:00 am
03/27/18 8:00 am
Joined: Jun 2002
Posts: 9,686
Scotland
S
Stuart Offline
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Stuart  Offline
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S
Joined: Jun 2002
Posts: 9,686
Scotland
Hi Bill,

IIrc, plus a quick skim of some posts, it's bikes with '67-looking numbers but suffixed by just "Y" - no dash - that cause the consternation; "-Y" simply indicates the bike had had a particular modification?

If my memory is working, your bike should have '67 features like British Standard - Cycle and Fine - threads, 5/16" barrel base fasteners, etc.; otoh, a '70 bike has things like Unified threads, 3/8" barrel base fasteners, etc.

Hth.

Regards,

Re: 67 A65LAxxxx-Y motor # ??????? [Re: wild bill] #730063
03/27/18 10:06 am
03/27/18 10:06 am
Joined: Aug 2001
Posts: 5,018
Stone Creek OH USA
R
Rich B Online happy

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Rich B  Online Happy

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Joined: Aug 2001
Posts: 5,018
Stone Creek OH USA
A bike that is a 67 with -Y serial number indicates the start of 3 port oil manifold for sure. There were a number of other changes that occurred seemingly with the -Y serial number, but the 3 port manifold was big one.


Life is too short to drink cheap, bad beer.
Re: 67 A65LAxxxx-Y motor # ??????? [Re: wild bill] #732012
04/15/18 11:45 pm
04/15/18 11:45 pm
Joined: Jan 2006
Posts: 3,325
Medford, Oregon
Gary E Offline
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Gary E  Offline
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Joined: Jan 2006
Posts: 3,325
Medford, Oregon
Rich has it right.


1967 BSA Wasp
1967 BSA Hornet (West Coast Model)
1967 BSA Hornet (East Coast Model)
1968 BSA Firebird Scrambler
1968 BSA Spitfire Mark IV

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