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Messages - Mike Farmer

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Singles / Re: A65 pistons
« on: 13 October, 2017, 09:51:43 »

Thanks for that. Sorry I put post in wrong place-----age.

Mike 8)

Singles / A65 pistons
« on: 12 October, 2017, 12:04:15 »
Hi :)

I have seen listed some 7:1 pistons and as I need a set of pistons I am giving this some thought. Mainly because it should be easier to kick it over.(If I ever get to trying it again)

What were they in originally??

What sort of effect would they have. Radically underpowered or only a little????????

Mike 8)

Singles / Re: A10 shoes in M20 drum?
« on: 12 October, 2017, 10:42:13 »
H :)

i Good to hear that they are available, as I have been unable to find any.( same old story: looked in the wrong places)

Having the same problem, I was seriously considering fixing 2.5mm plate on the inside of the drum and on the back plate to centralize the narrower shoes and decrease the probability of "wobble", or indeed of the shoes running out of line and jamming

I know there would still be some side space but it would cut it down to only about 1.5mm

Unless I got it absolutely perfik 3mm plate would be pushing it.

Mike 8)

The Star and Garter / Re: owning a British bike?
« on: 11 October, 2017, 12:55:43 »
Hi. :) :) :)

I think even if you are a relatively experienced "spanner man" you are still most likely gonna need fairly deep pockets.

Having said that it really does depend on what you have to start with and what you wish to achieve. (not  to mention how much the financial controller is happy to see spent)

Mike 8)

Twins / Re: A65 Cylinder head
« on: 07 October, 2017, 17:09:16 »
Hi Julian Thanks again.

Unfortunately I still don't have enough info to be certain. I am leaning toward the later head. So some more advice please how would you suggest that I go about finally nailing this one down.

My thoughts are to get one of each vales and offer them up and see whether one sits way down in the seat or sits very proud.

I'm in no great hurry so I have plenty of time to get it right.



Twins / Re: A65 Cylinder head
« on: 07 October, 2017, 14:37:08 »
And finally :) :)

The previous owner THINKS 1967.  AS can be seen?? it is stamped 68-72  and AM. All the holes are 3/8th

Mike 8)

Twins / Re: A65 Cylinder head
« on: 07 October, 2017, 14:33:36 »
This is the third attempt. If I still have it wrong ????????????????

Twins / Re: A65 Cylinder head
« on: 07 October, 2017, 14:30:55 »
Try agen

Twins / Re: A65 Cylinder head
« on: 07 October, 2017, 14:26:16 »
I  :)am about to try to post some pics. Anything is likely

Twins / A65 Cylinder head
« on: 06 October, 2017, 10:22:05 »
Hi Julian 8)

At the risk of boring everyone else rigid I still don't know which cylinder head I've got. The casting no does not appear to be recognised by any of the "dealers". So what alterations were made and when. All I know is that at some stage the Valves were changed. That infers that the seats were also changed.

Do you reckon that I can check this out simply by measuring the seat diameter or what else might you suggest.

What were the valve changes and was the head casting actually changed in any way.

Your help and advice appreciated.



I certainly would not suggest borrowing but: -

If A50 wheels fit you can borrow mine for a short time. Where are you.

Mike 8)


Write to CEO DVLA, Your local MP and the minister for transport. Hassle them hassle them. It probably wont work but if enough of us do it maybe, just maybe, someone will start to listen. Ha bloody ha.. ::)

In this time with the super computerised systems, as long as everything on the V5 is properly entered, by them, there is absolutely no need or reason for "Q" plates. When I put this to them the answer was Quote "Its not as simple as that" Red rag to a bull. That phrase means ---OK, you have a good point but I really cant be bothered to get off my donkey and do anything about it.  We are AGENCY--we are next to INFALLIBLE

There really should be an ombudsman (or is there one already) to deal with this type of thing. I will look into this aspect and come back.

Mike 8) 8) 8)

Twins / Re: A65 Camshaft
« on: 01 October, 2017, 17:51:47 »
That's where the casting mark  68-72 is situated???

Twins / Re: A65 Camshaft
« on: 01 October, 2017, 16:02:58 »
Hi. 8)

My cylinder head is stamped 68-72. I have been through all my bits and trawled the BSAOC archive but cant find that No. So what have I got.

Must admit that I would like to get this as right as possible, so that I can buy the correct valves etc. Are the valves A65 interchangeable. Must confess that previously I would have just bought A65 Valves because I wasn't aware they differed.

So despite the haggard looks I am still young enough to learn????????????

Mike :) :)

Twins / Re: 1971 A65L Piston hitting inlet valve
« on: 30 September, 2017, 17:20:24 »

Please don't be insulted. Have you got the push rods in the right position???


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