1980 ČZ 485 - Restoration in Progress & Excelsior Consort find.

A video about the my ČZ 250 / 485.0 that I am currently restoring, as well as showing our latest find, a little British vintage motorcycle - An Excelsior Consort.
The Excelsior had been sitting in a room of a field for around five years, but in the last three years or so, the roof collapsed and it became exposed to the elements, unfortunately. Anyway, we managed to save what is left of it at least.
Video taken on 10th March 2021.

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[CZtuner]

In the silencer, remove the large collar ring inside the end cover. This removes the flat spot in the rev range, when accelerating, plus slightly increases the top speed from embarrassing to just enough to humiliate a modern 4 stroke 125. It also stops the exhaust leaking oily crap around the end cover joint and makes baffle fitting very easy. (Make sure the main baffle has the flat end towards the engine).

[CZtuner]

The Villiers 98cc engine was a 2 speed hand change opposed ported 2 stoke motor, that was used by Sun, Excelsior, James, Francis Barnet, etc. plus many European manufacturers. It could propel a bike up to 45 MPH on level ground with no headwind. They ran a 20:1 petrol oil mixture.

Engines still turn up at autojumbles, in the UK.

[CZtuner]

Paint the cylinder fins with Hammerite smooth black enamel paint, when the engine is cold. Let it cold dry, then run the engine to stove dry it. The result is that the fins have a glossy black finish that lasts for many years.