Sinclair C5 Dash light and serial numbers

How to check serial numbers

This is how you break it down. Our serial number is: 100041201092

10004 12 01092

The 5 indicates the year 1984
The following 2 digits are the month, December
And the final 5 digits indicate the number produced that month, so our one is the 1092 to come off the production line in Dec 1984.

Sinclair C5 – What the light mean

Below is a picture of the Sinclair C5 lights (as they are meant to be). The right hand side is battery charge, and the left is the load on the motor, try to keep it in the green. If it moves to red just pedal harder!

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