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Messages - 33d6

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886
Identify these bikes! / Re: Villiers engine model T info....
« on: March 24, 2011, 09:54:05 PM »
Hi Guille,
Yes, that is the Sport engine the same as yours.  I know Monet Goyon raced and held world records in the 175cc class but they used the Super Sport engine.
Cheers,

887
Identify these bikes! / Re: Villiers engine model T info....
« on: March 21, 2011, 09:15:30 AM »
This engine was never made to be a racer and will not make a good racer.
In the 1920's Villiers made three 175 engines, the Sport, (your engine), the Super Sport and the Brooklands. The Brooklands engine was the racer, the Super Sports was the sporting engine for road bikes and the Sport was the standard road engine. They are very different engines and the Sport cannot be upgraded to either Super Sport or Brooklands standard.
Your Monet Goyen will make a very good vintage road bike if you can get it running properly.
Cheers,

888
Identify these bikes! / Re: Villiers engine model T info....
« on: March 16, 2011, 10:17:35 PM »
Hi Guille,
That is a cylinder from the TL Autolube version of your motor. It is identical to the original T type cylinder except it has that hole drilled for the Villiers Autolube system. All you need to do is keep it plugged up as it is already and it will be fine.

There is no hand pump involved. This type of Villiers engine never used a handpump system. It either ran on a 'petroil' mixture or had the Villiers automatic lubrication system fitted.

The Villiers automatic lubrication system worked well when in good condition but the slightest air leak in the sytem stopped it working and wrecking the engine. Very few with a working sytem have survived as most developed an air leak sooner or later. Petroil is easier and more reliable.
Cheers,   

889
Identify these bikes! / Re: Villiers engine model T info....
« on: March 15, 2011, 10:47:28 PM »
Hello Guille,
Your engine is a 57.15mm bore x 67mm stroke 172cc Sports made by Villiers from 1924 to 1932. The T prefix denotes it has ordinary 'petroil' lubrication and not the Villiers Autolube system.
It shares many parts in common with the rest of the Villiers range except for the piston which can be difficult to find. Pistons for the other 172 Villiers engines of the period, the Super Sports and Brooklands are not interchangeable with yours.
Information is easily found, BMS, www.brucemainsmith.com have a good selection of Villiers literature and general information can also be found in early editions of 'The Villiers Engine' by B E Browning and 'The Book of the Villiers Engine' by Cyril Grange.
Cheers,

890
British Bikes / Re: 1951 Sun Motorcycle
« on: March 15, 2011, 04:00:16 AM »
Hi Mitch,
Old British lightweights can be very difficult to identify as many of them bought their components from the same sources and once the transfers on the tank disappear they get tricky.  I suspect you may have fallen foul of this old problem.
The identifying prefixes you quote for both the frame and engine numbers, RM and 935, appear to be those for a 1951 125 Francis Barnett Merlin so I suggest a photo is in order to clear up any confusion.  The relevant prefixes for a 1951 Sun powered by the same engine are PMC-S for the frame and 941 for the engine.
A photo would help a lot as the Fanny Bee and Sun engines are totally interchangeable and you could possibly have a Sun with an engine from a Fanny Bee. Mixing and matching was a common thing when these bikes were daily riders but can be confusing when trying to sort out what you have 50 years later. Spares and info are very easy regardless of what make it finally turns out to be.
Cheers,

891
Identify these bikes! / Re: Dating a Bosch Magneto
« on: February 08, 2011, 01:24:55 AM »
Thank you, thank you, that is the list I was hoping to see. Unfortunately it doesn't go high enough as obviously Triumph stopped using Bosch magnetoes in 1915 when WWI got in the way. There are mythical stories of British DR's trading for Bosch magnetoes in nomans land between the trenches but I think the truth of that is a job for MythBusters.
I have tried Googling but the only site I found with later Bosch info had a few glitches so I could browse the site but not the specific Bosch stuff.
Finally, the VCC referred to was the Victorian branch of the Veteran Car Club. I know one of the ex-editors and he is going through their archives for me. Hopefully he will come up with some later dates but I suspect it is the same list as the VCC would only be interested in the veteran years.
Thank you for your help so far,
Cheers,

892
British Bikes / Re: Flat tank BSA oiling
« on: February 08, 2011, 12:57:32 AM »
Well I have run two-stroke oil in my 1926 Matchless for a long time and it still has the original 1926 big end. Castrol advised the base oilstock used in their two stroke range is SAE 50 which is about what grade I would use anyway. To my mind the various additives for two stroke use also suit a total loss application although I still get the occasional issue with the exhaust valve stem clagging up.
I also have the odd spare engine I've found over the years and can cheerfully say the cam and follower wear in them is no different from that in my original engine running on two stroke oil.
Its like a lot of things, initially you think "thats not right", but on reflection there is a solid base of logic and practicality there and it ain't so silly.
Finally, to really surprise the purist, I will also quite happily use an oil intended for diesel engines. Diesel engines are notoriously dirty so oils intended for them contain highly detergent additives to keep engine internals clean. If caught at a country garage with no two stroke oil I will happily use something intended for Farmer Jones tractor.
Remember we are talking 1920's technology here where any current engine oil is far superior to anything available then.
Cheers,
 

893
Identify these bikes! / Re: Dating a Bosch Magneto
« on: February 06, 2011, 09:59:37 PM »
Thanks for your kind offer but I seek more than just accuracy within a decade. Using the production number it is possible to date a Bosch magneto to the year. Unfortunately I've lost my list and I'm hoping someone out there will also have a copy.
Posting a photo is not very helpful as magnetoes get rebuilt over the years and are not necessarily as they came from the factory so visual features cannot be relied upon. The production number tells it all.
Cheers,

894
Identify these bikes! / Dating a Bosch Magneto
« on: February 05, 2011, 04:25:06 AM »
I have a Bosch ZE1 magneto, number 2598702. I know Bosch magnetoes can be dated by their production number but I've lost my list. Can anyone out there date it for me please.
This is a common magneto used for many years on any number of single cylinder engines and it would be nice to know what year mine was made.
Cheers,

895
Identify these bikes! / Re: BSA NOS head
« on: January 31, 2011, 09:57:45 PM »
Hi glaser
Have you found a mystery collection? This is the sixth or seventh cylinder head you have put up for identification. Did you stumble across someone who collected only cylinder heads? I'm very curious.
Can you tell us the story?
Cheers,

896
Identify these bikes! / Re: What is this bike please help me
« on: January 31, 2011, 09:51:35 PM »
Hi Leon,
You've picked me in one. I am in Excelsior heaven and I am more partial to the Villiers end of the range. The reasons are simple enough, anything JAP powered always commands a premium price compared to Villiers and creaky hips are pushing me into smaller bikes.  Kickstarting is no bother but getting on is a different matter. Nowadays a low saddle counts more than power!
It would seem though that we are agreed Mateusz' bike is a Model A11 Excelsior. Lucky man. 1929 when Excelsior won the Lightweight TT was the start of their golden age that ran right through the 1930's up to WWII. They made ripper bikes in that time.
Cheers,

897
Identify these bikes! / Re: What is this bike please help me
« on: January 30, 2011, 11:03:00 PM »
The frame number is a mystery but that is no surprise. Excelsior did strange things with frame numbers around about this time. I have a couple of circa 1930 Excelsior frames with no number at all.
Essentially I think this is a circa 1931 Model A11 Excelsior. This was their 350 OHV two port Sports model fitted with a JAP engine, Burman 3 speed handchange gearbox,twin downtube frame, etc, etc. Everything is exactly as in Mateusz' photo. The final confirmation is the odd saddle. If you look carefully it seems to be similar to a BSA of the time with a central mounting post yet is also spring mounted at the rear.
As fitted by the factory the central post is actually an upside down L shaped casting/forging with a forward facing arm so the saddle pivots at the front. As far as I know its unique to Excelsior. I don't know of any other make with such an arrangement. If the original saddle failed owners could replace it with a central mount saddle so you find some strange arrangements. Mine have a mixture of original factory system, replacement central mount saddle and a horrible home made replacement bent pipe arrangement so the original factory part must have been a weak point.
There are photos of the A11 Excelsior to be found in the Excelsior Gallery of www.cybermotorcycle.com . That owner claims it be a 1930 model but it can't be as Excelsior didn't catalogue a 350 OHV model in 1930.
Cheers,
 

898
Identify these bikes! / Re: What is this bike please help me
« on: January 29, 2011, 12:10:59 AM »
I strongly suspect it is an Excelsior of the early 30's. Precisely which one I couldn't say as they made a variety of bikes fitted with a twin port JAP, Burman hand change box, twin down tube frame, etc, etc. Probably the frame number would confirm this as from 1931 Excelsior used an alphanumeral combination that identified the year and model.
Completely as an aside and I'm not having a go at our friend who wants to find out what he has, I'm always surprised how many people never seem to think the frame and engine numbers are relevant and don't include them with their request. Its no big deal, I'm just fascinated at how many people don't think they are important.
Anyway, Mateus, tell us the frame and engine numbers and we can help you.
Cheers,

899
British Bikes / Re: 1950 Triumph 3T
« on: January 26, 2011, 10:02:22 PM »
You can just buy a new carb direct from the manufacturers if you wish. You can contact them direct on their website, www.amalcarb.co.uk
Why muck about with a third party when the manufacturer is willing to deal direct.
Cheers,

900
British Bikes / Re: What do these terms mean - British bikes?
« on: January 16, 2011, 10:38:35 PM »
For British bikes, as well as the LE, the other obvious one with hand change in the postwar years is the James Comet plus every other British lightweight that was powered by the same 1F Villiers it used. What with postwar petrol rationing and everyone trying to get their lives organised after wartime restrictions small economy bikes were in big demand.
Cheers,
 

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