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Late ES2 oil pump #462195
11/06/12 8:08 pm
11/06/12 8:08 pm
Joined: Aug 2012
Posts: 12
Dorset, England
Grant Tiller Offline OP
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Grant Tiller  Offline OP
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Joined: Aug 2012
Posts: 12
Dorset, England
I have a 1961 ES2 (62 model year)

Does anyone know if the oil pump is the same as on the Dommie/Atlas?

The pics look identical from what I can see.

Thanks in advance!

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Re: Late ES2 oil pump [Re: Grant Tiller] #462203
11/06/12 9:15 pm
11/06/12 9:15 pm
Joined: Aug 2001
Posts: 2,570
Oztralia
R
Rohan Online content
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Rohan  Online Content
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R

Joined: Aug 2001
Posts: 2,570
Oztralia
No - the ES2 oil pump has the oil outlet at the opposite end, when you study them closely. At least you didn't buy one to discover this, as many do !!

Re: Late ES2 oil pump [Re: Grant Tiller] #462204
11/06/12 9:17 pm
11/06/12 9:17 pm
Joined: Aug 2001
Posts: 2,570
Oztralia
R
Rohan Online content
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Rohan  Online Content
BritBike Forum member
R

Joined: Aug 2001
Posts: 2,570
Oztralia
Maybe I should say this applies to earlier ES2s, I don't what happened in the 1960s, they may have altered the design somehow so it is common to the dommie. Caveat Emptor ?

Re: Late ES2 oil pump [Re: Rohan] #462208
11/06/12 9:42 pm
11/06/12 9:42 pm
Joined: Aug 2012
Posts: 12
Dorset, England
Grant Tiller Offline OP
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Grant Tiller  Offline OP
BritBike Forum member

Joined: Aug 2012
Posts: 12
Dorset, England
thanks Rohan,

It had alternator and distributor by this point, and shared quite a few bits with the Dommie, hence my question.

If no-one steps forward with a definitive, I'll whip it off at the weekend and take some photos!

Cheers.

Re: Late ES2 oil pump [Re: Grant Tiller] #462573
11/09/12 8:25 pm
11/09/12 8:25 pm
Joined: May 2007
Posts: 94
Lancashire UK
oilyrag Offline
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oilyrag  Offline
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Joined: May 2007
Posts: 94
Lancashire UK

Yes its different.
As Rohan says it is a mirror image, but also the body is usually made of Mazak on the singles (although I have seen Bronze ones), unlike the cast iron on the twins and I think the sealing washer seat may be machined differently as well.
I think the gears etc are the same as the 500/600 twins but not the bigger ones.I have a 1962 Model 50 motor and its all the same as my 1959 ES2, I don't think they really changed much after 1947 except the heads and to accomodate the alternator etc.

They're not hard to come by ( the oil pumps, that is) I think anything after about 1933 is the same.


Oil is always cheaper than metal
Re: Late ES2 oil pump [Re: Grant Tiller] #462968
11/12/12 6:46 pm
11/12/12 6:46 pm
Joined: Aug 2012
Posts: 12
Dorset, England
Grant Tiller Offline OP
BritBike Forum member
Grant Tiller  Offline OP
BritBike Forum member

Joined: Aug 2012
Posts: 12
Dorset, England
We stripped it down at the weekend, and refurbed it.

It's now grit free, and spins smoothly!

Thanks all.

Last edited by Grant Tiller; 11/12/12 6:47 pm.

Moderated by  Dave Comeau 

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