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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?

L J K Setright.

Started by Hampshirebiker, 13 Aug 2015 at 11:33

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Hampshirebiker

I apologise if this has been covered before, but my search did not bring up any results.
Back in (I think) the late 60s "Motorcycle Sport" ran an article by Leonard Setright (normaly signed LJKS) on the racing 90plus. He owned one of these machines and the article was well up to his normal standards. Despite searches at autojumbles I've never located a copy.
If anyone has a copy & could scan/email I would much appreciate it. Please send a PM for my email.
Many thanks, Dave.


cardan


Hi Dave,

I almost certainly have the magazine, but not the time to search for the article. Can you narrow down the date for the article in MCS?

Leon

AndyH

Hi Hampshirebiker

I have a copy of that already scanned from dad's files, I am wondering if I can upload it to the technical section.

I will try all the best Andrew

PS Also got another article on the Plus 90

Hampshirebiker

Thanks very much for the replies. Andy, I have sent you a PM.
Dave.

Hampshirebiker

Thanks to Andrew's efforts I have just finished reading the article. A very entertaining read it is too. It has now been downloaded into "technical articles". Get reading chaps.

cardan


Thanks Dave and Andy - a very enjoyable read. When next I trip over an available 90-Plus I will bring it home with me!

Leon