Show Posts

This section allows you to view all posts made by this member. Note that you can only see posts made in areas you currently have access to.

Messages - 33d6

Pages: [1] 2 3 ... 67
British Bikes / Re: Excelsior Plunger frame ID
« on: May 08, 2021, 09:32:25 AM »
I agree. I think that price is absolutely dippy but you only have to find one buyer donít you. As for usability I suppose that all depends on how you want to use a bike doesnít it.

British Bikes / Re: Excelsior Plunger frame ID
« on: May 07, 2021, 03:37:49 AM »
Amazing! Bonhams very nearly got it right! That is a not-quite-right 1933 150cc "Empire". The frame number should read C.1.1091 which may sound pedantic but C identifies the year, 1 identifies the particular model in the Excelsior lineup and the final 1091 is the actual frame number. The . or / used on an Excelsior frame number are relevant. That bike came in three versions, the C.1, the C.V.1 and the C.E.1. The differences mainly revolve around the electrics as manufacturers tried to improve on ordinary Villiers direct lighting. A bit diffficult with 1930's electrical gear.
The C.1 with coil ignition and all the Lucas electrical gubbins that entails, C.V.1 with regular Villiers flywheel magneto and direct lighting and finally the C.E.1 with Villiers flywheel magneto ignition but keeping the Lucas dynamo set up of the C.! for lighting only. All weird and wonderful but making the best of the electrics of the day.

On the whole I'd be quite happy to ride the Bonham bike as is but I'd be quietly looking out for the correct Mk12C twin port engine and then fitting an accurate exhaust system. That one is a shocker. In 1933 Excelsior not only fitted the twin port Mk12C but also made their own rather pretty fish tail silencers as well. The C.V.1 version with modern electronics to sort out the lighting issues is the way to go. It's frustrating to see a bike so well done in parts but so sloppy in others.

British Bikes / Re: Excelsior Plunger frame ID
« on: May 07, 2021, 12:10:09 AM »
Hi again Delon,
Photos arenít very helpful. They are never as good as looking at the original.
Excelsior frame numbers of that period always started with a letter. Does it start with a poorly stamped H or a J? I suspect either H1 or J1 but not 11.
Have a very careful look and scrape and clean around the whole number to make sure.
Remember that eventually you will want to get the bike registered so you can ride it on the road and you store up trouble for yourself if you quote a wrong frame number.

British Bikes / Re: Excelsior Plunger frame ID
« on: May 06, 2021, 02:51:09 PM »
Please read the frame number again. You have misread something somewhere.
The engine number prefix CUXF identifies a Mk 15C which is a single exhaust port economy version of the regular twin port 150cc Mk 12C. They are otherwise identical except for a minor difference in the carburettor jetting.
The single exhaust port affords a cheaper single pipe exhaust system so good for the motorcycle factories and easier for todayís restorers.

British Bikes / Re: Excelsior Plunger frame ID
« on: May 05, 2021, 03:53:43 AM »
Itís simple Delon, tell us the frame number. Numbers always tell the story. Showing photos and asking for guesses is unnecessary when the frame number tells all.
Donít be surprised if itís on the headstock behind the headlamp.

British Bikes / Re: Excelsior Plunger frame ID
« on: May 04, 2021, 05:53:56 AM »
9D engines are easy to identify. The appropriate 9D engine for that James ML tank will have an engine number prefix 539. The postwar 9D engine number is located on the gearbox end plate.

British Bikes / Re: Excelsior Plunger frame ID
« on: May 04, 2021, 02:12:44 AM »
That is a Jame ML tank and gear change. These are highly sought after in some parts of the world. You will definitely get your money back on that one.

British Bikes / Re: James Captain 1951 spare parts
« on: May 04, 2021, 02:07:55 AM »
That is not the right one.
When mounted the correct one has the cable attachment towards the rear of the bike. Is there enough space for the one you picture or will it touch the rear suspension plunger?

I think I've attached a photo showing the correct set up.

British Bikes / Re: Vintage Albion clutch.
« on: April 30, 2021, 10:12:06 AM »
Apparently in these Covid times you have to ring them.

British Bikes / Re: James Captain 1951 spare parts
« on: April 30, 2021, 08:57:31 AM »
Thats often been my approach as well Rex but it depends heavily on what you want to do with your bike and where you ride it.
With speed cameras nowadays and speed limits starting at 40kph around schools and roadworks and so on its very easy on almost any bike to find yourself over the limit on occassion and getting a letter of demand though the mail. You'd be unlucky but over the years it can be surprising how often your luck runs out.

Plus of course there is the odd Harold Parsons type regularity run where one aims to maintain a fixed average speed. Tricky without a speedo and clock. It was this type of event where I saw a bicycle speedo fitted in the shell of an old speedo. It looked pretty normal until you really had a good look.

British Bikes / Re: James Captain 1951 spare parts
« on: April 30, 2021, 12:12:05 AM »
Youíd be lucky to get a complete, and original working speedo set up for under $1000AUD. That consists of the drive in the wheel, the speedo cable and a working speedo head. It is not a cheap exercise. This is why many of us run electronic bicycle speedometers.
I have seen a very neat set up where the owner fitted the bicycle head into the original speedo shell.

British Bikes / Re: Vintage Albion clutch.
« on: April 29, 2021, 01:57:21 PM »
Iíd be surprised if Villiers Services canít supply both sprocket and clutch centre off the shelf.

British Bikes / Re: Vintage Albion clutch.
« on: April 27, 2021, 02:49:27 PM »
Donít kid yourself. If you look in a Villiers parts list of the time you will see they used exactly the same crankshaft and con rod for both the Super Sport and 1E. If they didnít worry about balance you neednít either.

Interestingly, Villiers made both Super Sport and 1E pistons using the same mould. Itís not just that the pistons share the same basic dimensions but are made slightly different due to the qualities of the two materials. They are identical. I once had N.O.S Villiers factory examples of both so could compare and examine both closely. Obviously 80 some years ago Mr Villiers didnít worry so much about these things as we do today.

Personally Iíd replace the piston with the right alloy version. The KZB prefix shows the engine is a Super Sport and it will be much more lively with the right alloy piston. Theyíre easy enough to find.

Finally, you might be reluctant to use heat on the clutch but you can use one of those freezing sprays. It will have the same effect.

I look forward to the next instalment.

British Bikes / Re: Vintage Albion clutch.
« on: April 27, 2021, 01:25:21 AM »
Usually the clutch on lightweight Albion boxes just pulls apart from the front. Never seen one otherwise. Idiot simple. As yours is a ball of rust it sounds like you just have a corrosion problem preventing dismantling. Nothing that copious amounts of the de rusting fluid of your choice plus a small wire brush won't overcome. Just relax and take your time and all will be revealed.

I'm more curious about your engine. You appear to have a combination of 1E and Super Sport parts. Nothing wrong with that as they will happily play together but some combinations play much better than others. The 1E and Super Sport pistons have identical dimensions and exchange effortlessly. The problem is the 1E jobbie is cast iron and the Super Sport alloy. The 1E piston is HEAVY, so much so it is used in the Upper Congo to stun elephants. The Super Sport piston is 1/3 the weight and makes for a much sweeter engine. What engine do you actually have in the beastie? What is the engine number? 


British Bikes / Re: Excelsior Plunger frame ID
« on: April 18, 2021, 11:54:36 PM »
Delon, itís an absolutely correct number identifying a 1950 Excelsior 125cc Universal.
Excelsior frames of the period all look the same but there are minute differences between them that drive you nuts. They either improved them slightly from year to year or there are slight differences to accommodate the various engines. At that time Excelsior used both their own make and Villiers engines all of varying capacities. Plus of course, this is the time when they introduced their own 250cc twin two stroke power unit. The Villiers powered variants are the most common survivors by far.
Have fun,

Pages: [1] 2 3 ... 67