Douglas - For Sale Items

Douglas 1913 Model P motorcycle

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Douglas 1915 3 Spd-Gearbox and Clutch

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Lat Fuller

2025-07-20, 02:39:50
I am pretty desperate for a rear cylinder for my veteran Douglas 1917 2 3/4hp "W" model.   I there is anyone who may have one of these that can be re-sleeved or know where I may find one I would be very pleased for the help.  I have a number of engine parts that I can exchange such as matching crankcases, conrods, crankshaft, flywheel etc. Any help appreciated.

Lat Fuller

2025-06-04, 05:57:00
Does anyone have the specifications for the oil inlet valve spring for early 2 3/4 engines - Part number 424.   I have tried to order one from the club spares but apparently Jeff Swan is indisposed at the moment.

skapoor

2025-05-19, 09:23:12
I am looking for a carburettor for veteran Douglas motorcycle engine-13651. Could you please help me with this?

Stationary engine

Started by oldmoped, 25 Jul 2011 at 10:37

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oldmoped

Sorry about my bad bad english!

Hi!
I am a new in this forum.

I found stationary engine and i think, maby its some Douglas 2 3/4.









Engine rotating, valves moving, some compression also. Wrong soviet magneto.

Now i thinking what to do with this motor and its this worth for restauration...

Jaan

Doug

Jaan,

Looks like a Douglas WW1 gen-set engine for a Marconi wireless, based on the 2-3/4hp motorcycle engine. These were also made under license by Bosch up until hostilities broke out (and presumably after without paying royalties!) The Douglas engine will have "Douglas" cast on the face of the crankcase, hidden behind the flywheel. I seem to recall the Bosh units had their name on theirs too. On the timing side I think, but can not remember for certain. There was a picture of one sent in to the Douglas Club magazine a number of years back that was discovered in France.

-Doug

oldmoped

Quote from: Doug on 26 Jul 2011 at 01:08
The Douglas engine will have "Douglas" cast on the face of the crankcase, hidden behind the flywheel.

On my "THE DOUGLAS" cast up and "1914" under shaft.

Jaan

oldmoped

#3
Quote from: Doug on 26 Jul 2011 at 01:08
Looks like a Douglas WW1 gen-set engine for a Marconi wireless, based on the 2-3/4hp motorcycle engine.

Something like this?


Doug

Jaan,

Similar. This is a slightly different variation; note how it sits on a much higher base than yours.

-Doug

toys4dwb2


toys4dwb2

Quote from: Doug on 29 Jul 2011 at 02:01 Jaan,

Similar. This is a slightly different variation; note how it sits on a much higher base than yours.

-Doug
Hi  Doug.  Is this for sale? O have a shipper in england who will pick up it it up box it and      ship to me.

Doug

The original post was from 13 years ago. You could try sending the author a PM, but I just checked and they have not logged on to forum since 2011 so it is unlikely they are still active.

-Doug 

Dave

Email address for oldmoped is returning mail so seems it is not active anymore.