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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?

Model code for OC600

Started by Ian, 15 Dec 2006 at 00:02

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Ian

15 Dec 2006 at 00:02
Need some advice - I am just about to register my OC600 - and had always assumed that the model designar was OC600. Veryone seems to refer to it that way !! However, on reading some things on the forum here and the 1926 catalogue it is referred to as the OC/26. For 1927 the manual I have refers to the same machine as OC 600. What is correct for a 1926 model ?
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