Solex engine serial number location

Can anyone tell me where the engine serial number is on a Solex moped engine?

The only thing I can find is Cyclo Moteur 3800 and

"Reception Paris 14.3.1966"

Bryan?

Thanks, Mike

Re: Solex engine serial number location

Its on the very back of the engine where it mounts to the fork.

Re: Solex engine serial number location

The 14-3-1966 (March 14, 1966) date is the date of approval of the Cyclomoteur 3800 motor type, not the date of manufacture. Production and sales of the S 3800 started two months later in May of 1966.

Attached is a photo of where to look for the motor number. When you find the number, let me know what it is and I will tell you what you have. Be aware that 99% of the charts online are for Solexes sold in France, not in America or elsewhere.

1214786314_motor_serial_number_with_arrow.jpg

Re: Solex engine serial number location

Some Solexes have frame numbers also. Attached is a photo.

1214786483_frame_serial_number_warrow_.jpg

Re: Solex engine serial number location

Thanks Brian. It was coverd with dirt and I couldn't see it.

I only got the engine, the kid that I bought it from ($10.00)

had previously mounted it up on a Schwinn Beachcruiser.

Cast into the crankcase is: TUM80A

Stamped in is: 5324278

Mike

Re: Solex engine serial number location

That's a 1974 motor from an S 3800 model. Good motor.

Is that the one that was on Craigslist?

Re: Solex engine serial number location

It was on the SF Bay Area craigslist, I bought it in Burlingame which is the city next to where I live.

Thanks for the info.

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