Douglas - For Sale Items

Douglas 1913 Model P motorcycle

Douglas - Wanted Items

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?

Douglas 540cc single petrol/paraffin stationary engine.

Started by Loomy, 08 Sep 2008 at 09:06

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Loomy

G'day mates,

We are in need of a manual for this engine to find out why we can't start it on petrol.

We can start it with "Start You B*****d" and it will then will suck in the petrol and run. We are not considering the Paraffin side of the tank yet until we can start it from the petrol side first.

Any help would be appreciated.

Loomby

Doug

John Withers in Perth does reprints of Douglas literature. His post/advert can be found here-

https://www.douglasmotorcycles.net/index.php/topic,148.0.html

Down near the bottom, under industrial Engines, item IND901 should be what you are looking for.

-Doug