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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?

Parts for T35-S

Started by MrWright, 08 Dec 2005 at 20:13

Previous topic - Next topic

0 Members and 1 Guest are viewing this topic.

MrWright

Hello all.  I am in need of the following parts: speedometer, chain guard, rear fender, axhaust pipes, generator (on top of motor), rear light.  Iwill need more parts as I progress.  Thanks in advance.

trevorp

welcome aboard mr wright we will need pic of your bike or engine and frame number as parts vary in the t35 seies
first need to work out which model it is and we can help rom there
i also suggest that u join the london douglas motorcycle club as they have some parts and u have to be a member to access these parts
look forward to some pics

MrWright

#2
The frame number is T35 S 2776.  I have attached a pic, more to follow (sorry about the resolution, the next pics shall be better).
Dave



Larger view HERE

trevorp

ok your bike is a t35 mk 1 1947 ok where do we start
u need carbies they are amal 274 aj/4a and 274ak/4a
chaingaurd is avail ldmcc but your rear sprocket is non genuine and suggest this bike has been used for trial work and your top speed will be well below 45 mph
you are only missing dynamo as u have magneto these are fairly easy to get the magnetos are like rocking horse poo
i will check for part number and get back to u
the handle bars were flat on this model
u are missing clutch adjuster cover not hard to make
exhausts are available this model had an alloy muffler called a woofle box but some people just do what u are thinking about
look in members gallery at alwyns bike its a pretty good example of a mk 1 if u want to know what one looks
also missing toolbox and battery carrier battery carrier easy to fabricate toolbox a little more difficult

Dave

Link to the thread about Alwyn's T35 - https://www.douglasmotorcycles.net/index.php/topic,43.0.html



Alwyn, do you have any enlargements you can add to this thread?


Also closeups of the Smith's speedo and handlebars in this thread - https://www.douglasmotorcycles.net/index.php/topic,208.0.html




Dave

MrWright

Thanks trevorp, Dave and all, this is exactly the kind of info I need.  As for the dynamo, I was thinking of going to a 12 volt system, as I can probably retro-fit any number of "looks right" 12 volt dynos.  However, I would prefer to stay with the original.  These bikes were not imported into the states (as I have been told), so we have no jumble-yards for such bikes (thank goodness for the internet).  Also, I REALY appreciate the pictures!  They are my greatest source for making parts.  The original sprocket is bolted to the jumbo sprocket.  I have not touched the bike at all since purchase.  It is my intension to research the bike to the fullest extent, and then systematically break it down.  I have a source for custom head gaskets (a local laser cutter whom is sympathetic to my needs) so I will have head gaskets cut from a stack of .002 brass and gasket fiber.  If you could, would you please snap a shot of the handlebar mount, battery bracket and dynamo?  This will be of great help.  Thanks again, you all made my morning!
Dave
:)

KiwiJohn

Mr Wright,  take care with your head gasket plans,  I believe there is a spigot to match the head to the barrel which requires a minimum thickness gasket.