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Messages - om15

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Twins / Re: A65 extreme spark plug thread repair
« on: 30 November, 2017, 16:43:56 »
I had similar and had it repaired here

Good job, good price and had a tour of the workshop, nice bloke owns it,

Singles / Re: C15T crankcase breather oil leak - but only some times!
« on: 15 November, 2017, 11:50:07 »
I have a (relatively) oil tight engine, however occasionally the engine used to wet sump and dump the contents of the system over the floor when parked up.
As in general the engine did not leak I was loath to strip it, I saw that many AJS and Matchless bikes had a tap in the oil feed line from the tank, so I fitted a small tap (gas tap with 3/16" internal bore). When the bike is parked up for long periods I simply switch it off, - then remember to switch it on.

Singles / Re: C15 fork oil
« on: 04 November, 2017, 18:56:02 »
Advice is not to put too much in the forks, I carried out a service on my C15 forks last year and the forks leaked over the garage floor for ages, they have now stopped leaking and operate perfectly satisfactorily.

Singles / Re: C15 rebuild
« on: 10 October, 2017, 21:08:52 »
I would start by fitting the centre stand, then fit both wheels, it is then stable and mobile.
Use parts catalogue as a guide for fasteners, routing of cables, wiring harness etc, then keep adding bits until your box is empty, then you will have a bike hopefully. Tip is to use thin smear of grease on all bolted joints, stops corrosion and helps the next disassembly.

this may help - BSA 00-5075 1959 C15 x.pdf

Singles / Re: C15 Rebuild Update
« on: 26 September, 2017, 17:47:38 »
Slosh about a tenth of the bottle contents, what ever that might be, into a full tank, do the same with my Street Twin, also try and use decent fuel, Shell or BP premium.

Singles / Re: C15 Rebuild Update
« on: 25 September, 2017, 18:08:58 »
As my C15 is very low utilisation, a couple of 10 mile runs a month, I always shut off by switching the fuel tap off and letting the carb run dry, also I add redux petrol cleaner to help prevent gumming up of the carb and jets

Singles / Re: C15 oil
« on: 25 September, 2017, 18:06:19 »
I use 50 grade in both engine and gearbox with no problems, interested to see if this is normal practice

Twins / Re: Battery flat after riding with lights on
« on: 27 August, 2017, 20:57:51 »
Go for the easy fixes first, change the battery and see how you go

Singles / Re: Torque wrench
« on: 23 August, 2017, 19:31:20 »
Best advice I can give is buy the best quality tools you can afford, less chance of damage to the bike and will be easier to use, - spanners and sockets will be slender and give better access.
If you are unfamiliar with using tools then a torque wrench is advisable rather than using your own "feel", not too expensive and will help to prevent overtightening (stripped threads) and under tightening (leaks).
I have a set of old BSF spanners (used on RR Merlins), but still find odd threads on my C15, you might find that a set of metric and BSF/Whitworth spanners will get you started.

Singles / Re: First classic
« on: 06 August, 2017, 15:33:21 »
Phil, rather than go for a bike that requires a rebuild, perhaps look at a runner that you can tinker with and fix as you go along. The BSA twins are rather expensive, I have a C15 that I potter about with, but if going for a bigger bike you might like to look at the AJS/Matchless twins that are available, comparatively cheap to buy, spares are ok to source and the manuals, wiring diagrams are available.

You might pick up a good AJS runner for 3K, but an A65 might be double that, which ever way you go I'm sure you will get enthusiastic help on here.


Singles / Re: B31 help
« on: 29 July, 2017, 17:39:54 »
I can recommend this place.

Jed overhauls and repairs classic bike engines, I had a small job done there on my C15 head and he showed me his various jobs in hand, nice bloke, sensible price and top quality.
If you go into the estate, Three Cross Triumph is on your right, take the next right and he is on the right hand side of the lane.

Edit, if you are at the other end of Dorset you could speak to Andy in Bridport, he carried out a tricky repair on my Adventurer a few years ago, did a good job

Singles / Re: Internal Incontinece
« on: 28 July, 2017, 19:51:12 »
Here is a better view of an oil shut off valve, fitted to a Matchless to prevent wet sumping. As mentioned the results of failing to select to flow can be expensive.
I only switch off for a prolonged lay up, over winter for example.

Singles / Re: C15 oil feed problem
« on: 28 July, 2017, 17:47:04 »
Yes I was an RAF rigger (1968 to 1977), still doing it - until November when I thankfully retire. :)

Singles / Re: C15 oil feed problem
« on: 28 July, 2017, 09:49:42 »
I think that the answer may lie with the actual return tube in the oil tank, if you look at the return oil flow with the engine idling it indicates that the hole in the tube is much smaller than the internal bore of the oil line, if this is the case it will create a back pressure, and the oil will take the line of least resistance and flow up the line to the rocker feed.

Which BSA do you ride? / Re: Hello, new arrival
« on: 26 July, 2017, 18:29:54 »
Here it is, good inventory of parts and interesting bikes for sale.

Here is another link, I have bought a couple of bikes here with no problems, always has a good selection, and is nice bloke

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