Friday, July 14, 2017

A Viza Cruze Scooter

A garage sale find.

As you can see, it's in pieces, and whoever took it apart lost the fasteners, so this is going to be challenging.

Allegedly, the engine has no spark. I'm not even going to try to investigate that until I've come up with a bench-mount for the engine. I want to be able to work on the engine at a bench, not down on the scooter's chassis.

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 Here's the quick-and-dirty rig I came up with for a bench-mount.

It's just a steel flat attached to the engine by a single M6 screw underneath, then c-clamped to a small bench. It's adequate for spark testing, and that's all I'm concerned with right now.

And the outcome of my spark test was to confirm that, yes, there's absolutely no spark. So. the next step will be to obtain a replacement coil module, and try that out.

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My son has ordered a coil from China. Here are two views of the original coil

Note that the coil is mounted such that it's inaccessible for air gap measurement. Installation of the replacement coil will be a trial-and-error affair to achieve a more-or-less correct air gap.

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While I'm waiting on the part's arrival, I suppose I should record some information about the scooter and its engine.


Made by VISA MOTORS LLC (Limited Liability Company). As best as I can make out the I.D. plate, the model is CZ-2BS, VIN is Y60682 and Model Year is 2013. The I.D. plate is a cheesy affair, hand-written with a ballpoint pen, so those items could be in error.

From what I can see on the internet, VISA MOTORS LLC is no longer with us, so factory support is out of the question.


A model KY171 from Keyang Electric Machinery Co. Ltd. of Korea. There's a rather odd entry on the I.D. plate -- "(MAX) 1.7PS/7000RPM". I don't know what to make of '1.7PS'. On the starter it says, "33cc ENGINE DESIGN BY MITSUBISHI".

There's a Keyang internet presence, but it looks like they no longer make two-stroke engines, so there'll be no help from them, either.

Spark Plug

The machine came with two spark plugs. The one that looks like it might be the original is an NGK BM6A. The other, that looks like a new equivalent replacement, is a Champion CJ8. They're gasketed, non-resistive types with a 3/4" hex.

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