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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?

BTH Dynamo drive bevel gear 1933.

Started by vincenttwin, 07 Oct 2025 at 19:04

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vincenttwin

07 Oct 2025 at 19:04
looking For the wee bevel gear that drives the dynamo from the mag drive , see photo .
Thanks 
Peter .

EW-Ron

#1
Yesterday at 03:23
There is a mention of getting one made here ?

https://www.facebook.com/groups/vintageenginemagneto/posts/1512293709637884/

Skip used to be active on bike forums, haven't seen him for a while.
The bevel aspect may not be so simple to manufacture ?

Interesting about the BTH and P&H headlamps - wasn't aware of either.

??
https://graces-guide-s3-live.s3.amazonaws.com/gracesguide/thumb/9/9b/ImAE19431104-BTH.jpg/448px-ImAE19431104-BTH.jpg?20151113123342
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