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Re: Barn Find Beeza [Re: Psychopasta] #789336 11/06/19 4:25 pm
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Allan Gill Offline
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I second that emotion wink

Last edited by Allan Gill; 11/06/19 4:27 pm.

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Re: Barn Find Beeza [Re: Psychopasta] #789340 11/06/19 5:00 pm
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Psychopasta Offline OP
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Thanks guys! When you don't really know what you're doing, being slow and methodical helps. As does asking questions of those who do...

Re: Barn Find Beeza [Re: Psychopasta] #789924 11/12/19 7:08 pm
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Psychopasta Offline OP
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Hey guys, I need that advice now...

The cylinder barrels are within spec, however, they are cracked at the bottom of the skirts and have been previously repaired, but the cracks are coming through again:
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]

What say you? The bike will likely only be lightly used once reassembled, but I know these engines vibrate a LOT. Should I repair again, or get a new (or at least different) barrel?

Re: Barn Find Beeza [Re: Psychopasta] #789926 11/12/19 7:13 pm
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Allan Gill Offline
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I have a crack at the bottom one the skirt on mine, mines been drilled just like yours and hasn’t spread since. The bike is also used in anger so providing the bore is true. Fit it and forget.


beerchug
Re: Barn Find Beeza [Re: Psychopasta] #790804 11/21/19 8:30 pm
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Gary Hawthorn Offline
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I have been blessed, or so I believe, by recently buying a 1969 BSA A65T project(?) after Pasta started this thread. I then got lucky by landing on this site and this thread.

Since my concerns are not the same as what Pasta is enjoying, I just now created a thread.

"1969 BSA A65T resto in Vancouver". Please look at it and nudge me in the right direction.

I will of course continue to follow "Barn Find Beeza"

Cheers

Gary


1969 A65T BSA
Re: Barn Find Beeza [Re: Gary Hawthorn] #790889 11/22/19 4:54 am
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Mark Z Online Sleepy
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Originally Posted by Gary Hawthorn
I have been blessed, or so I believe, by recently buying a 1969 BSA A65T project(?) after Pasta started this thread. I then got lucky by landing on this site and this thread.

Since my concerns are not the same as what Pasta is enjoying, I just now created a thread.

"1969 BSA A65T resto in Vancouver". Please look at it and nudge me in the right direction.

I will of course continue to follow "Barn Find Beeza"

Cheers

Gary


Gary, I can't find your new thread. Which forum did you post to?


Mark Z

'65(lower)/'66(upper, wheels, front end, controls)/'67(seat, exhaust, fuel tank, headlamp)/'70(frame) A65 Bitsa.
Re: Barn Find Beeza [Re: Mark Z] #790924 11/22/19 1:10 pm
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Allan Gill Offline
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Originally Posted by Mark Z

Gary, I can't find your new thread. Which forum did you post to?


Its in the Projects Board


beerchug
Re: Barn Find Beeza [Re: Psychopasta] #791102 11/23/19 9:33 pm
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Gary Hawthorn Offline
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I did not understand "boards". Should I request to have it moved to BSA only?

tks

gary


1969 A65T BSA
Re: Barn Find Beeza [Re: Psychopasta] #791104 11/23/19 9:48 pm
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Allan Gill Offline
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As it’s a project it’s perfectly placed in the projects section. If it’s a specific make question then it belongs within the specific make, if it’s a general question ( like electrical etc) then place it there. Nothing stops you placing anything where you want to but to generate the best interest in the topic then place it where is most appropriate.

Hth


beerchug
Re: Barn Find Beeza [Re: Psychopasta] #791133 11/24/19 2:01 am
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Mark Z Online Sleepy
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Yeah Gary, "Projects" is fine. It's just not one of the forums I peruse daily, and I expected to see your thread here in the same forum. Per Allan's direction, I went over there (and posted).

"Board" is short for bulletin board, which is an old name for this sort of application, now standardly referred to as a forum.


Mark Z

'65(lower)/'66(upper, wheels, front end, controls)/'67(seat, exhaust, fuel tank, headlamp)/'70(frame) A65 Bitsa.
Re: Barn Find Beeza [Re: Psychopasta] #791776 12/01/19 6:37 pm
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Psychopasta Offline OP
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Hey guys,

I'd be grateful for advice on the two following topics:

1. Having hacked the swing arm bushes out, I'm now finding it hard to get replacements. I need the Silent Block Metalastik bushes for a 67 A65, part 42-4362. Any sources, or suggestions for other methods if I can't track them down?

2. I need to rebuild the front wheel, and I'm wondering if there is a reasonably easy replacement wheel with disk brake that I can use. Any recommended front wheel swaps?

- Pasta

Re: Barn Find Beeza [Re: Psychopasta] #791782 12/01/19 7:25 pm
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Psychopasta Offline OP
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I managed to source the swing arm bushes, so that one's done. Any suggestions for a disk brake setup?

Re: Barn Find Beeza [Re: Psychopasta] #791790 12/01/19 8:20 pm
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Allan Gill Offline
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Fitting a disc won’t be easy as you will need to rig some kind of Carrier for the calliper. You can make anything fit but you would need the forks also.


beerchug
Re: Barn Find Beeza [Re: Psychopasta] #791803 12/01/19 9:36 pm
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gavin eisler Offline
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Since the front end is already non stock you have a world of choice.
The forks look OK, , if you know a man with a lathe pretty much any other hub brake will fit, these range from super spendy double sided multi shoe jobs, down to the later 68-70 8 inch TLS which is fairly common and very effective, somewhat heavy though.
If you change the front end entirely then the cheapest possibly would be some sort of oriental set up with a spoked front wheel and disc, Honda Hornet or somesuch, look at Hillbillys bike, it does the job. pretty much anything can be adapted to fit, but will need custom steering head bits to make it all play nice, lathe work again. later triumph bits will fit relatively easy , and have convenient rubber mounted H bars which fairly take out the dirl.


71 Devimead, John Hill, John Holmes A65 750
56 Norbsa 68 Longstroke A65
Cagiva Raptor 650
MZ TS 250
The poster formerly known as Pod
Re: Barn Find Beeza [Re: Psychopasta] #791824 12/02/19 2:16 am
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Psychopasta Offline OP
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Thanks guys. I'll give it some more thought. As you know, I have Betor forks and triple trees which are 35mm. I've cleaned the bits up somewhat, and did a trial build using the bearings that SRM provide to replace the open ball bearings in races. I'm not entirely sure about it though. Here's the fork all back together:

[Linked Image from i.imgur.com]
and without the fork legs:
[Linked Image from i.imgur.com]

The SRM bearings press into the race carrier, which means that the contact point between the bearing and the mating surfaces in the frame are shifted somewhat:
[Linked Image from i.imgur.com]

I don't think the grease guard ring is going to do anything now as it's so much further away, and I may replace it with a rubber cup if I can find/make something suitable. Also, the net effect is to shorten the steering stem, which fortunately I can adjust the length of somewhat with the ring on the right hand side, which is the collar that is clamped into the middle of the top triple clamp

[Linked Image from i.imgur.com]

again, the grease ring is now pretty far away from the bearing so I can see some kind of rubber skirt being added:
[Linked Image from i.imgur.com]




Last edited by Psychopasta; 12/02/19 4:21 am.
Re: Barn Find Beeza [Re: Psychopasta] #791835 12/02/19 7:25 am
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Allan Gill Offline
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Why is there a top and bottom ball bearing cup still in place? Or was this there before to shim the gap?


beerchug
Re: Barn Find Beeza [Re: Psychopasta] #791862 12/02/19 4:51 pm
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Psychopasta Offline OP
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It seemed to me that this was intended to act as the carrier for the bearing.

Re: Barn Find Beeza [Re: Psychopasta] #791869 12/02/19 6:51 pm
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Allan Gill Offline
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So this was there before then? If it was me I would remove those old bearing cups and replace them with something of an ideal size, cylindrical and the full OD of the bearing. You could then sit your dust seal between this and the taper bearing, instead of it hanging in the breeze doing nothing, or have the shaft shortened to suit the length of the headstock.


beerchug
Re: Barn Find Beeza [Re: Psychopasta] #792012 12/04/19 6:06 am
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Mitch Offline
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yep, get rid of the old cups and and shim as required. if you want to reduce the gap without shims, press the stem out of the bottom triple. it should have a snap ring on the bottom end. all you have to do is chuck it up and cut another groove at he desired depth & press it back in

Re: Barn Find Beeza [Re: Psychopasta] #792046 12/04/19 4:54 pm
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Psychopasta Offline OP
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Thanks guys

Re: Barn Find Beeza [Re: Psychopasta] #792873 12/14/19 2:40 am
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Psychopasta Offline OP
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Getting the engine and head back together as a trial build. Just need to strip the cases again, use magic goo and reassemble with bright shiny nuts and bolts...

[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]

One new conrod as the original was out-of-round and new pistons and rings as the pistons were quite badly marked. Cylinder bore was fine. The head was done with new valves, springs and valve guides. Valve seats were cut and valves lapped. New crank bearing installed, sprocket bearing installed as well.



Last edited by Psychopasta; 12/14/19 2:42 am.
Re: Barn Find Beeza [Re: Psychopasta] #792878 12/14/19 4:31 am
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gavin eisler Offline
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Double dots on the TS con rod, enough collets for two valves, , shiny.

Last edited by gavin eisler; 12/14/19 4:33 am.

71 Devimead, John Hill, John Holmes A65 750
56 Norbsa 68 Longstroke A65
Cagiva Raptor 650
MZ TS 250
The poster formerly known as Pod
Re: Barn Find Beeza [Re: Psychopasta] #792879 12/14/19 6:27 am
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Psychopasta Offline OP
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Not sure what you mean Gavin...

Re: Barn Find Beeza [Re: Psychopasta] #792885 12/14/19 9:14 am
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Allan Gill Offline
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There are two centre punch marks half way up the rod.

Did you weigh the rods first? Some Are different weights.

Also a note on your drive side rod, there are some small knocks which are near your small end. You will want to polish these out with some wet and dry if nothing else. Making all your marks in a up down motion - never side ways. Marks like these on the rod are the beginnings of a snapped rod.


beerchug
Re: Barn Find Beeza [Re: gavin eisler] #792888 12/14/19 10:02 am
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triton thrasher Offline
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Originally Posted by gavin eisler
Double dots on the TS con rod.


Has someone done that to number the rods and not swap them over?

I’d have used a piece of tape.


Amateur Loctite enthusiast.
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