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Just got a quick question as im a little baffled. Is the 12YD motor a 1275cc found on late model clubmans or is it a 1100s motor found on the rovers as i have found conflicting advice both on this site when i did a search and also on the net and all this confusion is making my head hurt :shock:

Cheers

A lot of the engine number guides on the net are wrong about the Australain engine numbers.
The 1275LS got an engine with 12H902UH******, they never got 12YD/Ta/H. It was impossible! But a lot of websites will tell you differently.

The 1275LS motor is similar to an Austin Allegro but with a pollution air pump.

The 1275LS motor is similar to an Austin Allegro but with a pollution air pump.

LS all had a mech pump. :wink:

Used in Morris 1100S and probably early 1275 Moke

WHOLLY THREAD REANIMATION BATMAN!

Better this way than starting a new thread though IMHO.

Morris 1100 wrote:

Used in Morris 1100S and probably early 1275 Moke

Search button is there for a reason... :wink:

Author:	*BrickRacer** [ Tue Apr 08, 2008 7:37 pm ]
Post subject:	12YD
Just got a quick question as im a little baffled. Is the 12YD motor a 1275cc found on late model clubmans or is it a 1100s motor found on the rovers as i have found conflicting advice both on this site when i did a search and also on the net and all this confusion is making my head hurt Cheers

Author:	drmini in aust [ Tue Apr 08, 2008 7:41 pm ]
Post subject:	Re: 12YD
Brick*Racer wrote: Just got a quick question as im a little baffled. Is the 12YD motor a 1275cc found on late model clubmans or is it a 1100s motor found on the rovers as i have found conflicting advice both on this site when i did a search and also on the net and all this confusion is making my head hurt Cheers 12YD/Ta/H is a later Morris 1100S, 1275cc. The changeover for cranks small journal/ large journal is 12YD/Ta/H10487 - 12YD/Ta/H10488 Earlier small J ones were 12Y/Ta/H prefix. I have a few examples....

Author:	*BrickRacer** [ Tue Apr 08, 2008 7:45 pm ]
Post subject:
Cheers Doc Then which ones were on the 1275LS clubby's, were they the 12H motors?

Author:	drmini in aust [ Tue Apr 08, 2008 7:47 pm ]
Post subject:
Not seen one lately but yes I believe so. They were UK built motors, basically same as a UK 1275GT.

Author:	Morris 1100 [ Tue Apr 08, 2008 7:53 pm ]
Post subject:
A lot of the engine number guides on the net are wrong about the Australain engine numbers. The 1275LS got an engine with 12H902UH******, they never got 12YD/Ta/H. It was impossible! But a lot of websites will tell you differently. The 1275LS motor is similar to an Austin Allegro but with a pollution air pump.

ausmini https://www.ausmini.com/forums/

12YD https://www.ausmini.com/forums/viewtopic.php?f=2&t=40885	Page 1 of 2

Author:	*BrickRacer** [ Tue Apr 08, 2008 8:05 pm ]
Post subject:
Morris 1100 wrote: A lot of the engine number guides on the net are wrong about the Australain engine numbers. The 1275LS got an engine with 12H902UH******, they never got 12YD/Ta/H. It was impossible! But a lot of websites will tell you differently. The 1275LS motor is similar to an Austin Allegro but with a pollution air pump. So I'm learning. Thanks for all your help guys

Author:	Mick [ Tue Apr 08, 2008 8:20 pm ]
Post subject:
Morris 1100 wrote: The 1275LS motor is similar to an Austin Allegro but with a pollution air pump. Were the LS engines mechanically fuel pumped or otherwise?? I have a plate on the pump hole, and a PO fitted a facet down aft.

Author:	drmini in aust [ Tue Apr 08, 2008 8:27 pm ]
Post subject:
LS all had a mech pump.

Author:	Morris 1100 [ Tue Apr 08, 2008 8:33 pm ]
Post subject:
drmini in aust wrote: LS all had a mech pump. Yep.

Author:	Timinik [ Thu Jul 24, 2008 10:38 am ]
Post subject:
So the 12YD engine is the morris 1100s one? My mini K has one fitted in it,, and its been hurting my head too!

Author:	1018cc [ Thu Jul 24, 2008 10:42 am ]
Post subject:
WHOLLY THREAD REANIMATION BATMAN! Better this way than starting a new thread though IMHO. Morris 1100 wrote: Used in Morris 1100S and probably early 1275 Moke

Author:	Timinik [ Thu Jul 24, 2008 10:50 am ]
Post subject:
1018cc wrote: WHOLLY THREAD REANIMATION BATMAN! Better this way than starting a new thread though IMHO. Morris 1100 wrote: Used in Morris 1100S and probably early 1275 Moke Search button is there for a reason...

Author:	1018cc [ Thu Jul 24, 2008 10:58 am ]
Post subject:
Timinik wrote: Search button is there for a reason... BEST....... QUOTE...... EVER!

Author:	Wombat [ Thu Jul 24, 2008 11:58 am ]
Post subject:
Son's Moke has a 12YD/Ta/H motor - but it's a transplant - other numbers don't match and it has drum brakes

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Author:	Morris 1100 [ Thu Jul 24, 2008 4:47 pm ]
Post subject:
A Moke will not have been made with a 12YD/Ta/H motor. It is a Morris 1100S motor and nothing else. The D refers to a variant only used in the 1100S The Ta refers to the remote control centre change gearbox that was not fitted to the Moke (they have a U instead of a Ta)