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Messages - STAR TWIN

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The Star and Garter / Re: MOT changes for historical vehicles
« on: 18 September, 2017, 06:34:43 »
I think it is aimed at the Series 1 Land Rovers with coil springs and a V8 engine - nowt but the body panels left of the original. And claiming historic vehicle tax exemption. Will modified vehicles lose their tax exemption? It would make sense.
Locally we have 2 MoT testing stations. One does the fine tooth comb bit - even putting my 1913 Douglas on the brake test rollers. The other treats the elderly vehicles with a bit of sympathy whilst ensuring they are roadworthy The first mentioned MoT station was going to fail my Series 1 Land Rover on missing sills. Series 1 Land Rovers don't have sills.
It's this huge disparity in dealing with older vehicles that is indicative of the need for MoT exemption. 

The Star and Garter / Re: Stolen bikes
« on: 15 September, 2017, 13:50:52 »
I suspect the Borders Agency and Customs are more concerned with drugs and people smuggling. The odd disappearing bike just doesn't make the priority list.

Twins / Re: BSA A10 fuel taps
« on: 06 September, 2017, 06:12:20 »
I went completely wild and bought a new pair from C & D Autos. Can't be bothered with fiddling around with leaky corks. Plus I don't really want petrol dripping on hot exhausts and HT leads. The only downside is rivet counters fainting in horror.

Twins / Re: Super Rocket ignition timing
« on: 05 September, 2017, 10:19:18 »
3/8" is the book setting. However, modern fuels are lower octane (they even changed the method of calculating octane ratings possibly to disguise the drop) so I would suggest 5/16" would be more appropriate. The one thing you should avoid is over-advancing the ignition timing. That way pinking and detonation lie. Don't know why you were advised 7/16". Seems quite wrong to me.

Twins / Re: Battery flat after riding with lights on
« on: 28 August, 2017, 07:02:29 »
If your multimeter if fluctuating, it's either your rectifier/zener diode/powerbox failing on the charging side or an intermittent short circuit somewhere. Your charging side should more than match riding with headlights on so there is something amiss. I would be surprised if it's just a battery problem. 

Singles / Re: Whats good about motorcycling?
« on: 26 August, 2017, 06:08:32 »
Mostly on the boringly practical side...
Smugly drifting past long queues of stationary traffic
Being able to park almost anywhere
Sneaking through pedestrianised areas when lost (York, Cambridge)
Ignoring road closures in the evenings when the workers have all gone home - you can always get a bike through.
Looking down on sports car drivers
Receiving preferential treatment from traffic police (only works with old bikes)
Sniffing the breeze
Getting admiring looks from fine young things who have no idea how old you really are

Oh dear, that shouldn't happen. As chair of our local VMCC section, I always make a point of welcoming new faces - and there's usually one or more members chatting to them already. Perhaps South Derbyshire needs to take a look at itself.
Why VMCC? No BSAOC branches up here in the frozen North.
In the dim and distant past, I did ask if I could attend a BSAOC rally on a Norton and got a very frosty response. It did put me off.

Singles / Re: Torque wrench
« on: 24 August, 2017, 13:47:31 »
It's fair to assume torque figures are for dry threads. B31 or unit single? These days it's an age thing... More and more people are looking for lighter bikes like C15s and cubs (both Triumph and Honda). Hopefully I'll be riding my heavyweights for a good while longer yet!

Singles / Re: Torque wrench
« on: 24 August, 2017, 06:15:35 »
Succinctly put. For big end bolts, accurate measure of bolt stretch is more accurate than torque figures. You just need the appropriate micrometer and the stretch figures - not always available!

Singles / Re: Torque wrench
« on: 23 August, 2017, 22:08:31 »
I do have a torque wrench but very rarely use it. If you have an engineering background, you should be more than capable of avoiding under/over torquing nuts etc. It's just the really essential nuts and bolts - con rod big ends for instance - that can benefit from the use of a torque wrench. And as you will know, you have to allow for clean thread vs lubricated thread and so on.
A good set of Whitworth spanners and 3/8" drive sockets is a good start.

Twins / Re: Rich running Super Rocket
« on: 17 August, 2017, 14:13:46 »
There is some confusion in the published figures. In my experience, a 420 is way too big. My one runs a 300 main jet. If you look at the figures for a 1960 Super Rocket, it states a 290 whereas a 1960 RGS shows a 420. Confusing, huh?

Singles / Re: BSA B33 sticky exhaust valve advise please
« on: 14 August, 2017, 22:42:03 »
I had a similar problem with a guide fitted to an iron head A7. What I did was to buy a set of engineers drill bits from Screwfix. I selected one that was a neat sliding fit in the valve guide. I then selected the next one up and carefully ran it through the guide. Problem solved.

The Star and Garter / Re: B31 Valve seats - lead free
« on: 14 August, 2017, 07:02:54 »
I run a B31, an A7 and various old iron-head Land Rovers. They all do just fine. I invariably use super unleaded petrol, but that's just to minimise the effect of ethanol.
When all this started, the SVVF (I think) commissioned tests on valve seat recession. None occurred below 3,500 rpm. Do you cruise your B31 well above this?
I would suggest putting any paranoia in a quiet corner and not disturbing it.

Which BSA do you ride? / Re: A7 Star Twin
« on: 11 August, 2017, 21:12:49 »
Glad you liked the picture Steve. These machines are used as ordinary transport and the longer distance the better. One son has made off with my copy Where BSAs Dare. If he's inspired, there will be a fight - the other son intends to inherit the Star Twin. Not 
 that I am in any rush to depart this mortal coil! Gordon.

Which BSA do you ride? / Re: A7 Star Twin
« on: 11 August, 2017, 10:23:58 »
And the Star Twin shares the shed with my wife's A10.

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