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The BSA A7 & A10 Forum > Technical > A7 & A10 Engine > Head Identification, Iron with stumps?
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Author Topic: Head Identification, Iron with stumps?  (Read 273 times)
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Harryc208
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« on: 22.10. 2011 19:52 »
Hello all!

dug this head out of the shed the other day, never seen one  before so wondering if sombody can shine the light,

It has a smaller finned area than the usual a7 a10 heads, and its got stumps where the exhausts usualy push in.

Was wondering if it was a longstroke a7 head perhaps?

Under the inlet port its stamped 45-2810       The 8 could be a 6, or even a badly formed 0, and the last 0 could possibly be a 6,
                                           K301A

Anyways heres the pictures





Any help much apreciated.
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muskrat
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Lake Conjola NSW Oz
« Reply #1 on: 22.10. 2011 20:21 »
G'day Harry,
                looks to be a early A10 or short stroke A7 '51-'53 that has had "stumps" put in like Trihards.
Cheers
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Only young once, immature forever. Now how can I make this go faster. '51 A7 plunger, '57 A7SS now A10, '71 A65 Lightning (gone to god) '76 XT500, '83 CB1100F, next project a '64 A65.
Beezageezauk
N.E. England
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« Reply #2 on: 22.10. 2011 21:03 »
Hi Harry,

I think it's off an Ariel.

Beezageezauk.
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trevinoz
Newcastle, N.S.W. Australia.
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« Reply #3 on: 22.10. 2011 22:13 »
Harry,
               Beezageeza is right, it is a Huntmaster head.

  Trev.
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muskrat
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Lake Conjola NSW Oz
« Reply #4 on: 23.10. 2011 11:36 »
Yep I thought of that today at the Marlin Hotel Bike Show. Sorry Harry.
Cheers
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Only young once, immature forever. Now how can I make this go faster. '51 A7 plunger, '57 A7SS now A10, '71 A65 Lightning (gone to god) '76 XT500, '83 CB1100F, next project a '64 A65.
Harryc208
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« Reply #5 on: 23.10. 2011 11:39 »
Brillient, thanks for the help lads.

No worries muskrat, I thought it was a bsa head too.
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