kompost
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« on: 02.02. 2012 17:12 » |
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Hi
I am new to the forum, and i don't own an a7 or a10, But i have owned and worked on many classic and vintage british bikes.
Recently a friend of my fathers bought an A10 gold flash off a popular internet auction site, unseen. My father phoned me and told me his friend was having difficulty getting the bike going because it was tight to kick over. So i went to have a look, and to cut a long story short, i realised it was the timing side bush, so took the engine out and back to my place to rebuild. I stripped the engine and found nothing wrong apart from the bush. It had new pistons, rings, rebore, big end shells, and valves. I turned a new phosphur bronze bush and proceeded to build the engine up. When i refitted the barrels i turned it over by hand and thought, that's wierd the pistons were 1/4" from the top of the bores. Guess what, its got an A7 crank.
So i am on the look out for a decent A10 crank, if anyone in the uk can help out, please let me know.
thanks in advance
steve
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muskrat
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Posts: 1885
Lake Conjola NSW Oz
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« Reply #1 on: 02.02. 2012 20:14 » |
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G'day Steve, welcome to the forum.
Shame about that, after all your work. A member or two here have had the same problem. If the budget allows try to find a large journal crank & rods.
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.  |
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kompost
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« Reply #2 on: 05.02. 2012 11:36 » |
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Cheers,
I just can't understand why someone would spend all that money on new pistons, rings, rebore, big ends, bush etc etc, and then build it up with the wrong crank.
It's a small journal a7 crank at the moment, with decent a10 rods, so to save him a bit of money a small journal a10 crank would be better, i should be able to use the same rods, just with new shells depending on the grind.
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old-bikes-are-the-best
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« Reply #3 on: 06.02. 2012 17:00 » |
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Hello Steve
I have both sorts of cranks if you are interested
A7 £150 would need a grind
A10 £250 +20 thou large journal
both + postage depending on where you are or if you are in the north east maybe meet at an auto jumble
cheers
Mike
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bsa 1960 road rocket under going restro
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kompost
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« Reply #4 on: 07.02. 2012 23:56 » |
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Hi Mike
Thanks for the offer, but i think i am sorted now.
steve
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old-bikes-are-the-best
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« Reply #5 on: 08.02. 2012 16:32 » |
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ok thats good
regards
mike
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bsa 1960 road rocket under going restro
bsa 1962 B40
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bsa bantam for restro
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SorenPedersen
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Vamdrup - Denmark
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« Reply #6 on: 22.04. 2012 20:11 » |
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Hi Mike
Do you still have that large A10 journal crank? if so I am very interested
/Soren
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old-bikes-are-the-best
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« Reply #7 on: 23.04. 2012 21:32 » |
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hello Soren yes I do cheers where are you located cheers Mike
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bsa 1960 road rocket under going restro
bsa 1962 B40
bsa c15 in bits
bsa bantam for restro
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SorenPedersen
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Vamdrup - Denmark
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« Reply #8 on: 23.04. 2012 21:41 » |
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Hello Mike
I have sent you a PM, so please check you Messages here on the board :)
/Soren
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