Morris Minor Owners Club

Posted: **Sat Apr 30, 2011 9:18 pm**

Anyone know the number of teeth on 1st--2nd--3rd and 4th gear of a mg1275 gearbox, please?

Posted: **Sat Apr 30, 2011 10:40 pm**

I think that I have a few missing on 1st

Posted: **Sun May 01, 2011 9:21 pm**

Same number as on a 1098 gearbox......... The difference (ratio wise) is in the Laygear.

Posted: **Mon May 02, 2011 5:10 pm**

I have found some answers having just stripped an mg gearbox, so if anyone is in need of information regarding teeth, laygear numbers etc-----I shoud be able to help! btw Roy, it appears that the some of the actual gearwheels do differ.

Posted: **Thu May 05, 2011 9:36 am**

Welllllll - publish up what you have found !

Posted: **Fri May 06, 2011 10:27 pm**

Roy, I thought I'd just inform folk that I have info if required, rather than list stuff that may have a limited appeal, this being based on the number of posts enquiring about gearbox rebuilds in the past.

Posted: **Fri May 06, 2011 11:03 pm**

PM sent!

Posted: **Wed May 11, 2011 1:47 pm**

Post it anyway, it may turn out to be exactly what someone needs & you may not be around to send the PM ;)

Posted: **Wed May 11, 2011 9:48 pm**

Ok, I have no problem with that, but as it's quite a list, didn't want to do it if no interest.

MG 1275 Gearbox details
Laygear-13-19-23-26T
1st gear-32T(22g239)
1st gear hub(22g258)
2nd gearwheel-28T
3rd gearwheel-24T
reverse gearwheel-18/14T(22g240)
1st motion shaft-20T(22g229)
Bearing-1st motion---R&M---2LJ1G
Bearing-Mainshaft---R&M---3LJ1G
3rd synchro-hub(22g95)
Main casing 22g121
2nd&3rd gearwheels run on roller bearings.

Morris Minor Owners Club

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