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Douglas 1913 Model P motorcycle

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Douglas 1915 3 Spd-Gearbox and Clutch

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


2024-06-07, 02:13:36


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


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


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My very first Douglas

Started by Sir Rick, 08 May 2024 at 04:16

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Sir Rick

Three or four weeks ago, I purchased my first Douglas motorcycle.

She's a 1947 T35.

Still needs a wee bit of work prior to taking her for a decent ride.
3rd gear is not going far enough beck into the dogs to drive it properly, but 4th gear goes completely all the way in. Both on same fork, 3rd backwards, and 4th forwards,

Anyway, my first post in here, and I will try and attach a photo of how she looks.


Very nice machine, but beware of that front mudguard - it is mounted too low, and the wheel will probably jam into it on hitting large bumps. Originally, Mk1 and 3 machines had fixed valanced mudguards, mounted high. A lot of owners didn't like that arrangement, so Mk4&5 machines had the mudguard moving with the wheel ( but the mountings were prone to premature wear).


Sir Rick

Hello eddie.

Front guard is way higher when on centre-stand and front wheel not on the ground.
Doesn't seem to get together with the tyre.

From what I see on the T35 parts list, my gear shifters seem to have the original-type gear selectors with spring and ball inside them, and I assume the ball drops into a recess in the selector shaft when selecting gear.
I have removed motor, and taken off the gearbox.
The selector shaft screws into back end of box and has a locknut on front end to lock the spindle in the correct position.
Previous owner built this bike up from a bunch of parts lying under a bench in an old couple's garage; the owner of which is long, long deceased.
I'm not even sure if he did anything to the box, but I found that the selector shaft was locked in place a few mm out from being right in. Prior to removal, I was able to see what was happening through the removed side cover where the selectors are easily visible. When 3rd gear was selected, I noticed that the spring/ball system was pushing the selector fork out of gear slightly, and the gear dogs were barely rubbing past the layshaft dogs.
So I undid the locknut and screwed the shaft right in.
3rd gear then went happily all the way in, but then 2nd gear was doing what 3rd gear had been doing, and barely contacting the dogs on the layshaft.
So, then I set it half way between right in and where it was before, and now both 2nd and 3rd gears dogs are going equal distance onto the layshaft dogs.
I'm believing it should be Good to go once all back together.

If there is anything I might have missed, that you know about,