From:Dan Dwyer
Subject:RE: RE: Ace Frame Number (Ref to Date:Tue Dec 29 13:28:54 2015
Response to:6003
Thanks, Steve.

I have also heard that the first digit represents the year, but of course, I can not verify.

I have seen a frame with a very low 4XXX number and it had the "square" axle bolt boss that Doug mentioned, so leads me to believe (among other things) that this example could be one of the last early Ace frames - Assuming 1924 per the frame number.

I also saw the beautifully (Exceptional, really) restored Ace at Davenport this fall, but did not think to look at the frame number...
Wish I would have given it a bit more attention.

Thanks again, Steve.
Would love to see some pics of the Ace some time.
Be Well!

My 1920 ace frame is numbered 258
The engine is a1423

I've been told the frames were numerically numbered in order
Then I was told the first digit is the yr with 0 being added to three digit s#
I wish there was more info on this

A couple of threads below this, "Karen" offered a 1925 Ace project for sale.

In post #5981 she stated:

"...The number stamped on the frame (under the seat) is 8160..."

Just curious as to if anyone knows what this Frame # represents (Year-

Any other basic info regarding Ace frame numbers would be appreciated.

As one point of reference, I checked the Ace on Display at the Sturgis
Motorcycle Museum. It is shown as a 1922, and has a 2XXX frame

Hope everyone had a good Holiday!
Thanks guys.