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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?

Douglas Milestones

Started by trevorp, 16 Mar 2006 at 02:52

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trevorp



Douglas History And Milestones


Douglas won the 1923 senior TT race I.O.M (Tom Sheard riding) Distance 226 miles at 55 mph average  in the rain


Douglas won the 1923 sidecar TT race I.O.M (Freddie Dixon riding) Distance 113 miles at 53.15 mph


Douglas made fastest lap in 1923 senior race (Jim Whalley riding) a fraction under 60 mph in the wet


Douglas won the 1923 French Grand Prix (Jim Whalley riding) Distance 288 miles making the fastest lap and the course record


Douglas won the 1923 Durban-Johannesberg Marathon race (Percy Flook riding) Distance 430 miles average
speed was 43 miles per hour on a 2 3/4 hp machine


Also won this event in 1919 and 1920


Douglas won the 1923 Spanish 12 hour race (500 cc class Jim Whalley riding) distance 466 miles making the fastest lap and the course record


Douglas won the 1923 Welsh TT race (Alec Bennet riding) Distance 100 miles


Douglas was First motorcycle to reach 100 mph in the 3hp to 6 hp class C G Pullin 100.61 mph March 1922


Douglas was fist 750cc motorcycle to exceed 100 mph R N Judd 102.37 mph in November 1923


Douglas was first motorcycle and sidecar to cover 1000 miles in 24 hours officially on Brooklands C G Pullin august 1922

Douglas had 25000 machines operating in world war 1


Douglas was the first motorcycle to capture a whole class of records Class B/S June-September 1922


To Be continued
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