Douglas - For Sale Items

Douglas 1913 Model P motorcycle

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Douglas 1915 3 Spd-Gearbox and Clutch

Quick Comments

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?

Dave

2025-01-07, 19:16:39
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Dave

2024-06-11, 21:02:05
Have you tried the new Drafts feature yet? I just lost a long message today and learned my lesson. It is a good idea to save a draft of any long post you are writing. You can then just keep writing and keep saving a draft, knowing you have a backup if there is a glitch. The draft is automatically deleted when you post the message.

Doublefly

Started by Dave, 29 Mar 2008 at 06:47

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Dave

Eddie's 2007 Doublefly

Photos courtesy of Eddie








Topics about this motorcycle - Doublefly



eddie

The Double fly came about following discussion with Don Brown about his Dragonfour special. After questioning why he did this and why he did that, it was suggested that if I thought I could do better - then I should get on with it! This being the result of accepting that challenge. It is basically a Dragonfly with a four cylinder engine produced by welding together 2 Mark series engines and connecting the cranks with a toothed belt drive. The wheels and brakes - from a late 70's Yamaha - are fitted because Douglas units cause enough excitement trying to hold back the performance and weight of just one engine!
                                                  Eddie.

imike24