General Douglas Discussion

How to post photos and files with your messages

Started by Dave

Replies: 0
Views: 2,350

03 May 2025 at 19:50
by Dave

Douglas only please

Started by Dave

Replies: 0
Views: 22,827

22 May 2006 at 07:11
by Dave

Timing gears

Started by Radzziu

Replies: 4
Views: 1,300

Yesterday at 14:51
by Doug

Rear suspension greasing. 1951 MKV

Started by Pallijen15

Replies: 5
Views: 1,093

Yesterday at 11:02
by Pallijen15

Dragonfly pistons

Started by rogerb

Replies: 6
Views: 974

08 Nov 2025 at 21:36
by DJS

MOVED: 2 3/4hp timing gears

Started by Doug

Replies: 0
Views: 309

06 Nov 2025 at 12:05
by Doug

Refurbishing sprocket wheels for primary chain B29

Started by hoejmark

Replies: 3
Views: 473

05 Nov 2025 at 17:53
by Dave

2 3/4 BARRELS

Started by libby062

Replies: 2
Views: 529

03 Nov 2025 at 02:02
by libby062

Douglas Endeavor help

Started by yoshimasa negishi

Replies: 4
Views: 4,801

02 Nov 2025 at 17:07
by SweetNigel

4 Hp Hub

Started by Rob

Replies: 1
Views: 267

02 Nov 2025 at 06:15
by Rob

Douglas t6 crankcase breathing valve

Started by Radzziu

Replies: 0
Views: 188

31 Oct 2025 at 19:05
by Radzziu

1913 douglas big end

Started by Adam55

Replies: 7
Views: 777

28 Oct 2025 at 17:28
by Jonathan Hewitt

MkV Oil pump and filter

Started by Pallijen15

Replies: 10
Views: 953

27 Oct 2025 at 08:56
by Pallijen15

MK4 chain adjuster

Started by Ken J

Replies: 3
Views: 633

20 Oct 2025 at 11:56
by Ken J

BTH Ammeter and Head light early 30’s

Started by vincenttwin

Replies: 9
Views: 912

12 Oct 2025 at 18:02
by germanxxx

Engine buiilder?

Started by simon.d.hewitt@gmail.com

Replies: 0
Views: 332

11 Oct 2025 at 17:09
by simon.d.hewitt@gmail.com

2 3/4 AMAC main jet

Started by Black Sheep

Replies: 6
Views: 627

08 Oct 2025 at 06:40
by Black Sheep

EW 350 exhaust valve lifter

Started by TomeG

Replies: 3
Views: 645

06 Oct 2025 at 10:57
by TomeG

Flywheel Clutch problems

Started by saluki42

Replies: 3
Views: 743

25 Sep 2025 at 04:19
by Doug

2 3/4 exhast

Started by Müs

Replies: 13
Views: 15,734

22 Sep 2025 at 20:54
by Müs

Douglas 2 3/4 3 speed Gearbox

Started by Ivan

Replies: 3
Views: 2,831

22 Sep 2025 at 05:35
by Hutch

T6 pistons

Started by Radzziu

Replies: 2
Views: 12,778

20 Sep 2025 at 19:31
by Radzziu

DOUGLAS 2 3/4 HP QUESTIONS

Started by biellestanche

Replies: 18
Views: 32,378

16 Sep 2025 at 23:48
by cardan

Frame Straightening

Started by Dave Mac

Replies: 0
Views: 12,105

07 Sep 2025 at 12:58
by Dave Mac

Z and Aero spring comparison

Started by saluki42

Replies: 2
Views: 14,849

06 Sep 2025 at 09:52
by saluki42

New post in Douglas Motorcycles Technical Articles

Started by Doug

Replies: 4
Views: 17,104

06 Sep 2025 at 06:57
by Doug

Dragonfly front and rear wheel spoke sizes and rim dimensions

Started by stevewanstall

Replies: 1
Views: 13,223

04 Sep 2025 at 08:18
by EW-Ron

2 3/4 engine breather

Started by Black Sheep

Replies: 2
Views: 14,246

03 Sep 2025 at 15:36
by Black Sheep

S6 Petrol Tank colour

Started by alan reid

Replies: 4
Views: 7,301

01 Sep 2025 at 07:09
by EW-Ron

1910 Type C fuel tank level

Started by GlenDouglas

Replies: 0
Views: 2,069

31 Aug 2025 at 07:46
by GlenDouglas

4 HP Gearbox Clutch Corks

Started by GlenDouglas

Replies: 4
Views: 4,642

31 Aug 2025 at 05:56
by GlenDouglas

Oil capacity of Model Z

Started by saluki42

Replies: 0
Views: 2,129

30 Aug 2025 at 10:42
by saluki42

Questions about engine from E32

Started by Pseudotsuga

Replies: 0
Views: 2,463

27 Aug 2025 at 08:11
by Pseudotsuga

Setting Tappets?

Started by graham-xrfx

Replies: 6
Views: 5,868

26 Aug 2025 at 10:35
by graham-xrfx

Tappet setting T35 Mark 1

Started by grav220

Replies: 3
Views: 5,725

25 Aug 2025 at 02:22
by EW-Ron

Getting the pushrods right way up?

Started by graham-xrfx

Replies: 2
Views: 2,987

23 Aug 2025 at 11:07
by graham-xrfx

MK4 oil pump studs BSF or BSW?

Started by Ken J

Replies: 2
Views: 2,977

23 Aug 2025 at 09:10
by Ken J

Fitting Thorspark electronic ignition to mk4

Started by Ken J

Replies: 3
Views: 2,994

22 Aug 2025 at 13:56
by Ken J

Electronic Ignition for a 1951 Mark V

Started by Churchwarden

Replies: 4
Views: 5,606

21 Aug 2025 at 09:19
by eddie

Thorspark Electronic Ignition, Any Good?

Started by Peter Burgess

Replies: 4
Views: 4,146

21 Aug 2025 at 08:37
by EW-Ron