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Messages - STAR TWIN

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Singles / Re: WM20 paint
« on: 05 May, 2017, 14:16:41 »
I bought NATO semi-matt green from eBay for my ex-mil Land Rover. It hand-painted a treat and is very hard wearing. My WD B40 will in due course follow suit.
The khaki desert M20s often had sand showered onto them when the paint was still wet. Gives a very effective matt non-reflective finish.   

Twins / Re: Spark plugs
« on: 04 May, 2017, 06:30:17 »
My bikes have never got on wel with Champion plugs. Try NGK B7ES.

Singles / Re: Plunger Suspension problem
« on: 29 April, 2017, 14:47:03 »
Just undoing the clamp bolts may not be enough. You may have to open up the sleeve a fraction with something like a blunt chisel.

Twins / Re: Silencers
« on: 29 April, 2017, 14:43:23 »
I foolishly placed my order the day before the Christmas break. Have you any idea just how long these people take off for Christmas? Still the pipes arrived eventually and are good.

Singles / Re: C15 ss Max speed
« on: 26 April, 2017, 20:36:30 »
I would hesitate to rev it to 7,750 rpm too often. Bravery or cruelty to old engines?

Singles / Re: B31 Sparks & Lights
« on: 25 April, 2017, 15:02:21 »
My B31 runs happily on a refurbished mag and 6 volt dynamo. I always run with the headlight on having had the cr** scared out of me by one myopic car driver who didn't see me. One caveat regarding LED headlight bulbs. The beam pattern is hopeless for night riding. I do use an LED stop/tail light though. 

Twins / Re: Silencers
« on: 22 April, 2017, 18:21:53 »
Over many years I have used Armours. The silencers are pretty good though a bit lacking in the baffling.

Singles / Re: 1947 B31. Which rear light?
« on: 22 April, 2017, 18:19:57 »
I changed my original rear light for a Lucas 525 unit on my Star Twin on the insistence of my wife. The original really was pretty dismal and as I use my bike in all conditions, night and day, rain or shine, being seen is really quite important. So you have to decide if your bike is for general use (and that's what it's really rather good for) or just dry and sunny days and choose the appropriate light.
It's shocking just how invisible a classic bike is when it's dull and raining. And don't forget there are plenty of older car drivers on the road who just don't see as well as they used to. Scary.

Singles / Re: C15 ss Max speed
« on: 21 April, 2017, 15:37:12 »
If it starts first kick from cold, no choke, no tickle, your tickover and possibly cutaway are set far too rich. Set them when the engine is at operating temperature and you will notice the difference in smoother running and better mpg.

Singles / Re: C15 ss Max speed
« on: 19 April, 2017, 17:07:49 »
Too often over the years I have seen people (usually keen teenagers) try and get their C15s to perform far above their design limits. It always ended in tears and blown engines.

The Star and Garter / Re: A7 ST number plates query
« on: 19 April, 2017, 17:04:39 »
An excellent story. My Star Twin gets used in the Beamish Trophy Trial on occasion. With a sidecar rear sprocket it is quite remarkable how well it copes on the steep, rocky sections. As mentioned in the book, a bit more ground clearance would be useful. Even on sidecar gearing, it's still good for 80mph. Great bikes, one of the best BSAs ever made.

Twins / Re: Aftermarket oil filter
« on: 19 April, 2017, 07:03:27 »

Don't fit one which relies on jubilee clips to hold the oil pipes. Don't ask...

The Star and Garter / Re: A7 ST number plates query
« on: 18 April, 2017, 06:57:10 »
Interesting question. I think that legally you might not get away with it. Front number plates are no longer required but they can still be displayed in which case they should be correct. Some people put information where front number plates go - as in "1952 Star Twin" which is clearly not a falsified registration mark whereas MOL 303 would be.
Anyway, MOL 303 still exists (well, the frame and crankcases do - the rest is made up from donors) so MOL 302 might be better. 

Singles / Re: B40 new carb and timing necessary?
« on: 17 April, 2017, 10:04:16 »
One of my BSAs is still running on its original Amal carb after 65 years. And it's no trailer queen - it gets plenty of use and abuse. So don't rush to junk the carb. My B40 is still on its points setup. Nothing wrong with that. So just carry on and get the bike up and running and enjoy it. Don't panic!

Twins / Re: A65 Thunderbolt 5 speed conversion
« on: 17 April, 2017, 10:00:33 »
What exactly is the problem? Is it undergeared for Highway use? If so, a gearbox sprocket with an extra tooth or two would solve the problem.
5 speed boxes (expensive!) generally don't affect top and bottom gear ratios - they just make the jump between ratios smaller.

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