Jap 2s dating

I have a model 2s jap engine and i can see the numbers on the side of the crankcase and it begins with M, but when i look at the dating there is two dates, so could anyone please tell me wether it will be 1944 or 1924 as i am not sure which one it is.
Thanks
Brandon

It wont be 1924 because JAP didn't make industrial engines until the late 1930's.

Pete.

pete
i second that motion,
you are correct with that info as always mate.
also if your cleaning up for painting there will be year stamps on the tinwork
best one is inside of the exhurst mounted sheld all my jap 2a/s have it there "AJH 19?? IN A SMALL CIRCALL
AJH is the tank and cowling makers for jab villiers bsa ect ect
kev

Yes thats true when i wire wheeled all the old paint off i seen a stamp saying TMC, not sure how that relates to the date though.

Brandon

I have just acquired a JAP 2a running a compressor. It's serial starts with 2AA is this 1945 or 1960?
Can't get it to run, but I'm working on it...

Hi,
dazcaz the best thing to do is the thing that kev said to do, all you have to do is where your exhaust is there willl be a thin metal plate running around the back of the the engine and if you take off the exhaust this thing will come off then get a wire brush or something like that and take the dirt away from the inside and in a little circle it will say A.J.H and then the date of your engine.

Hope this helps

Brandon

dazcaz wrote:I have just acquired a JAP 2a running a compressor. It's serial starts with 2AA is this 1945 or 1960?

Yes, it is