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81
Identify these bikes! / Re: Villiers stationairy engine
« Last post by 33d6 on May 07, 2025, 09:43:28 AM »
The first registrations I have around the GY 7000 mark date around the first half of 1936. Can’t get much closer than that. As I wrote earlier I can only broadly date when an engine was produced from registration dates. The registration dates are surprisingly varied, there can be a several month difference between consecutive engine numbers. It is very broad brush. Not that it matters that much as Villiers didn’t make annual model changes and the actual date of manufacture is irrelevant for maintenance and repair purposes.

As for the aluminium flywheel magnetoes yes, Villiers made them alongside the brass variety. Again, it’s not really relevant detail for maintenance or repair so I take little notice. Of far more interest are the paired numbers on flywheel and backplate to ensure you have a factory pair. Mix’n’match can cause problems here.
82
Identify these bikes! / Re: Villiers stationairy engine
« Last post by R on May 07, 2025, 01:53:56 AM »
Can we see a pic of this aluminium flywheel ?

Now I'm no Villiers 'expert', but never seen nor heard of that. ?
They did have a variety of aluminium covers ..

Edit. Ah, does it have sorta fan blades on it ?
Now that I might have seen.
83
Identify these bikes! / Re: Villiers stationairy engine
« Last post by Albion EJ on May 06, 2025, 08:21:56 PM »
Hello, thanks for all very interesting information on Villiers engines.
I do have a bike with a Mk XII-C with the number GY 7019.
Will you be able to date this engine?
It has an aluminium flywheel installed where I have seen others having a brass one.
Potentially this change over can be dated as well.
84
Identify these bikes! / Re: Villiers stationairy engine
« Last post by 33d6 on May 06, 2025, 01:43:42 PM »
Well we know Villiers made both the Mark VI-C and VIII-C for years after they stopped putting them in bikes. The VI-C in particular hung around for decades even if the VIII-C seemed to fizzle out in the mid-30’s. On the other hand I have yet to see the middle one, the VII-C in anything. It seems to be neither fish nor fowl.
I agree with your suspicion of high engine numbers and I’ve never seen a Villiers engine with a year stamp. I believe that to be a later addition. I can broadly date the later Mark XII-C engines from the number, the Victorian engine numbers and date of first registration records are a great help here but they’re not much help with the earlier VI-C.
Given the brief time it was used in bikes and the long years it was made for industrial purposes you can more or less bet that 99% of any Mk VI-C you find are of industrial background, mainly lawnmowers. My major frustration with this is the users refusal to accept they have a low power lawnmower engine, not a bike engine. It rarely goes down well.
85
Identify these bikes! / Re: Villiers stationairy engine
« Last post by cardan on May 06, 2025, 08:33:11 AM »
Soooo many engines!

Sorting out info on the various Elliott (Adelaide) and Waratah (Sydney) bikes from the mid 1920s - mostly the 147/148cc models in the mid-late 1920s - has left me with many questions!

Both Elliott and Waratah used the little Villiers in Sun "miniature" cucyel parts (the extremely light set, with no rail under the tank) from the beginning of 1923 for Elliott and mid-1924 for Waratah. When they stopped is another matter - maybe 1928-29.

The weird thing is that the engines could be Mk VI-C (H prefix), Mk VII-C (L) or Mk VIII-C (W). We know about when they started (1922 for VI-C, 1923 for VII-C, 1924 for VIII-C), and we know that the VIII-C ran on through the 1930s, but what of the VI-C and VII-C?

I've seen an Elliott that looks pretty original with an engine number H24xxx (very large number for a VI-C) with "1924" stamped after it. It looks like this engine was maybe built in 1924, or if not built into a bike in 1924, by which time the VII-C had come and gone and the VIII-C was available.

I wonder did Elliott buy "old style" VI-C engines in 1924, or were they just left-overs of a 1922 batch?

Ditto for VIII-C engines with high numbers like L10xxx, built into bikes that seem to be 1925 or later.

I guess we'll never know for sure, but I'm pretty sure that dating a bike to 1922-3 because it has a VI-C, or 1923-4 because it has a VII-C is a bad idea! Looks like Australian manufacturers (at least) were using these engines in their bikes well after the VIII-C was available.

Cheers

Leon
86
Identify these bikes! / Re: Villiers stationairy engine
« Last post by 33d6 on May 05, 2025, 11:43:31 PM »
I can see the engine numbers stamped across the crankcase halves in one of the photos. This makes it a postwar production. Villiers changed how they identified and numbered their engines in the immediate postwar years.
It’s built to Mark VIC (6C) specifications that had a much smaller carburettor than the later Mk VIIIC and has the reversed inlet manifold of the later industrialised versions. Excellent for the lawnmowers it was built for but not a motorcycle engine and not viable for motorcycle use.
Finally, most postwar Villiers motorcycle engines can be identified as to year of manufacture, what bike it was fitted to and so on but to my knowledge no one has done this with their industrial engines. Perhaps the Lawnmower Club knows more.
Not exciting news I know but these old lawnmower versions turn up with great regularity as old lawnmowers lead very gentle lives compared to their motorcycle brothers.
87
Identify these bikes! / Re: Villiers stationairy engine
« Last post by Albion EJ on May 05, 2025, 09:32:20 PM »
Unfortunately there isn’t
88
Identify these bikes! / Re: Villiers stationairy engine
« Last post by cardan on May 05, 2025, 09:50:11 AM »
The Mk VIII-C was the little Villiers that ran from the 1920s until after the war, 55x62 I think. This looks pretty close, but I'm far from expert - not sure about the numbers on the crankcase. There's not another number on the flange under the cylinder, just above the drive sprocket?

Leon
89
Identify these bikes! / Villiers stationairy engine
« Last post by Albion EJ on May 04, 2025, 05:35:03 PM »
Who can help me identifying this engine?

Looks like it is from the thirties.

Stroke is roughly 62mm.
90
The Classic Biker Bar / Re: ANZAC Day.
« Last post by murdo on April 26, 2025, 11:15:31 PM »
Lest we forget.
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