Douglas - For Sale Items

Douglas 1913 Model P motorcycle

Douglas - Wanted Items

Douglas 1915 3 Spd-Gearbox and Clutch

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Dave

2024-06-11, 20:02:05
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.

Dave

2024-06-08, 18:30:04
For Sale
xman has two very nice 1950's machines available - a green 1950 mk4 and black 1951 mk5 - both in good condition and running well.

Dave

2024-06-07, 02:13:36

Dave

2024-06-03, 08:23:05
For Sale
Duncan has just listed his green and cream 1957 Dragonfly for sale with spares and documents.

Dave

2024-06-02, 08:34:05
Parts avalable
alistair still has parts available - barrels, carburettor, castings - see all listings.


Dave

2024-06-01, 18:33:27

Dave

2024-05-28, 00:09:46
Welcome to the new site!
Recommended viewing for a fast start...
 - Quick Tour of the Front Page
 - Quick Tour of the new Attachments
Learn all about attaching photos in the User Guide. Any problems with anything please Contact us     Faulty links fixed - 01June2024

Recent posts

#92
Hi Leon,
 Thank you very much for the drawing. It is just perfect for me to make the parts I need.
Regards,
Neil

#93
General Douglas Discussion / Re: Best and Lloyd oil pump
Last post by cardan - 04 Sep 2024 at 22:14
Hi Neil,
Plain hand pump? https://www.douglasmotorcycles.net/index.php?topic=1109.msg3763#msg3763
Or a hand pump with drip feed? Or a mechanical pump?
Leon
#94
Do you have an older Douglas 1924 or 25   either for staionary or cycle I can   buy shipped to Dave Bagne  1025 Dale St,  Southwest   Hutchnson Mn  55350  I have used passed a private shipper that will retrive the  Box & ship.I plan on building a board track racer.
#95
General Douglas Discussion / Best and Lloyd oil pump
Last post by Neil Parker - 04 Sep 2024 at 08:58
I am in the process of restoring a 1924 TS 2 3/4.
The Best and Lloyd oil pump system is missing a few parts and i am not familiar with these.
I am seeking either a cross sectional or schematic drawing or even better a manual. Any help will be greatly appreciated. 
Neil  
#96
Have you checked the very small bore for air (in the inside carb block).
This small bore sometimes get closed, specially by the "modern" ethanol fuels when the bike is standing longer time and the petrol tap is not very tight.

Michael
#97
Hello,

My 1950 MKIV is a perfect bike. The only problem I have is that the gear lever is always full of oil after a 30km ride. The bushing has a little bit of clearance and I have removed the felt and the gear indicator for the photo. 

The oil level in the gearbox is correct. ( Level measure with indicator, unscrewed on the top ).

Does someone have an idea how to prevent oil from leaking here ? 

Thanks in advance

Martin
#98
Looking for a set of cams to finish my 80+ project , I believe the originals were sport as they are  stamped with a s unfortunately they were in the bottom of a box and have rusted beyond repair . 
#99
Have checked float level seems OK. 
If turn fuel on drips from bottom of carb. Turn off fuel and leave for half hour will fire but not continue to run when fuel turned on checked timing and OK. When does run has trouble picking up rpm then will and stops. 
#100
General Douglas Discussion / Re: Carb trouble
Last post by eddie - 30 Aug 2024 at 08:03
Having just seen the posting by Hutch - another problem with the Mark carbs is that the float chambers are top feed - that means it has blind guide hole for the needle (in the bottom of the chamber). These often get a build up of crap/corrosion in the bottom - thus reducing the travel of the float, and could eventually cut off the fuel supply.