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31
Douglas Motorcycles - General Discussion / Re: T35 Head Lamp Change
« Last post by douglas1947 on 28 Nov 2021 at 07:53  »
Hi Ron,

thanks for the response. My Douglas is a 1951 model, so I will find a 7" Lucas lamp in my spares (with no seperate parking light).
I can confirm the appear of 1954 for the SS700P/1 lamp.
I had a BSA B31, a early swinging arm model, stamped 17.11.1953 on the engine - so a 1954 model - with that type of SS700P/1 lamp.

Michael
32
Douglas Motorcycles - General Discussion / Re: Ew350 gearbox bearing
« Last post by Hutch on 28 Nov 2021 at 00:38  »
Neil,

Both the smaller nut that retains the spring and kickstart gear/ratchet and the larger nut which retains the bearing are normal right hand threads i.e. tighten clockwise on the main shaft I have. The  larger nut which retains the bearing may be quite tight due to the tightening action when the kick start is used.

Cheers

Hutch
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Douglas Motorcycles - General Discussion / Re: T35 Head Lamp Change
« Last post by EW-Ron on 27 Nov 2021 at 20:54  »
The SSU700P appeared for 1950.
No parking light underneath.

That didn't appear until 1954. (?)
My Lucas Manual doesn't cover that year (someone didn't file the updates ?),
so I don't have what the number is on that lamp.
And the paint is too thick on my lamp to read it - I'll work on it.

Edit. It looks like the lamp with the underslung pilot light is SSU700P/1
Can anyone confirm that 1954 date ?
Cheers.
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Douglas Motorcycles - General Discussion / Re: T35 Head Lamp Change
« Last post by douglas1947 on 27 Nov 2021 at 10:36  »
Hi Ron,

thanks for your informations.
Is the SS700p the 7" lamp with the extra parking light underneath?

Michael
35
Douglas Motorcycles - General Discussion / Ew350 gearbox bearing
« Last post by Neilj on 27 Nov 2021 at 08:23  »
Hello all can anyone tell me which way to get the kickstart gear off to change the bearing please.photo attached.thanks neil
36
Okay - worth thew half hour to watch!

Interesting that the steel bolt straight into the alloy was better in the pull out test than several of the inserts, though terrible at resisting over torquing. So, don't try to be clever and exceed the stated torque and the thing will hold!
37
Yes, good video that was. I've sorted it now anyway. One of the holes already had a metric helicoil insert in. But since it was only the  first two or three millimetres of the holes that were damaged I just fitted some longer bolts, there were enough good threads left. But I'll probably go for the helicoil kit if I need one in future. The video was very informative.
 Thanks, Paul J
38
Douglas Motorcycles - General Discussion / Re: 3.5HP timing
« Last post by kevinbush on 26 Nov 2021 at 08:37  »
Thank you guys for the help, apologies for delay, busy as ever. I will advise how it goes. Its brilliant that the such a strong Douglas presence in Oz, take care and thanks again Kevin
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Coils win.
If you thought to watch there are short cuts included.
If you want to skip the intro and go straight to the good stuff...
The torque tests start at 5:20.
The pull out tests start at 13:02.
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Douglas Motorcycles - General Discussion / Re: T35 Head Lamp Change
« Last post by EW-Ron on 25 Nov 2021 at 22:34  »
The Lucas Bible, lamps section P716/94 lists -

Douglas 350cc Twin used the DU42 for 1947
Douglas 350cc Twin used the MU42 for 1948/49
Douglas 350cc Twin used the SSU700P for 1950

Lamps back then changed from 6" and 8" versions to all being 7" as the SSU700P.
(except for lightweight bikes).
And the rim retaining methods changed, a few times.
Also the ammeter had a few versions.
As did regulators and tail light lamps.

Folks may call Lucas the Prince of Darkness, but in fact stuff was always evolving and changing.
Even if progress was a little glacial - but the alternator was about to become common,
positive earth would appear, etc etc.
Hopethishelps.
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