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Author Topic: Douglas S6 1930  (Read 9208 times)

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Offline aphex

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  • Douglas S6 1930
Douglas S6 1930
« on: 16 Nov 2011 at 18:13 »
Hallo , I'm the new proud owner of a Douglas S6 1930 , still i have a few questions , one is about the primairy chaincase , and chaincase (is it original , and if not is there anybody that know where i can find one). Comments are welcome .














« Last Edit: 18 Nov 2011 at 17:22 by Dave »
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Offline Doug

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Re: Douglas S6 1930
« Reply #1 on: 17 Nov 2011 at 01:45 »
Aphex,

You do not have a good view of the primary chain case. But from what I can see of the back end, it does not look like the original. The original is an aluminum casting for the back half, with a stamped sheet metal front cover. There shoudl also be a sheet metal guard over the final drive chain.

-Doug
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Offline Edin

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Re: Douglas S6 1930
« Reply #2 on: 17 Nov 2011 at 10:32 »
Hej Aphex
Hope enclosed fotoserie can help you
The foto is for from T6 - 1930,- but should be the same for S6 - 1930
Regards Edin DK







« Last Edit: 17 Mar 2024 at 01:14 by Dave »
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Offline Dave

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Re: Douglas S6 1930
« Reply #3 on: 17 Nov 2011 at 16:45 »
Photos added.
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Offline rossco

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Re: Douglas S6 1930
« Reply #4 on: 18 Nov 2011 at 03:16 »
Hi aphex
Your photo 7847 does show the aluminium back primary cover and appears the correct tin front cover. If you look at this web (https://www.douglasmotorcycles.net/index.php?topic=2040) you will see the cover for the final chain drive. Your engine is similar to the D33 except for the timing cover and manifold, The same carby but downdraft not updraft as yours.

All the Best Rossco
« Last Edit: 18 Nov 2011 at 06:36 by Dave »
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Offline Dave

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Re: Douglas S6 1930
« Reply #5 on: 18 Nov 2011 at 06:37 »
Rossco,

The link to the D33 topic wasn't working so I've changed it to what I hope is the right one.

If not, please post a message here with the name of the topic and I'll fix it.

Dave
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Offline aphex

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Re: Douglas S6 1930
« Reply #6 on: 18 Nov 2011 at 18:28 »
Thanks for all comments , is there anyone who knows where i could find a cover for the final chain drive.

Is there anybody that can tell if the rear mudgard in two pieces ( for changing quickly the rear tire ) was an option done by the Douglas company at the time (1930's), or if it is something that was done later.
Aphex.
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Offline MRD

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Re: Douglas S6 1930
« Reply #7 on: 18 Nov 2011 at 19:02 »
Hi Aphex
I've not heard of the two piece rear mud guard on this model.
I have an original on my S6 which is a one piece. I'm sure they would not  put the joint were yours is because the supports are a one piece, welded near the mounting bolt and they are either side of your joint.
Regards         Martin
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Offline eddie

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Re: Douglas S6 1930
« Reply #8 on: 18 Nov 2011 at 20:32 »
Hi Aphex,
                As Martin says, the original mudguard was one piece. It also had a reinforcing strip about 30mm wide down the inside of the centre of the mudguard. This strip was formed with a rib down either side - one side carried the wire for the tail light.
       Also, the rear chainguard was the same as the T6 but had a boss(13mm dia x 13mm long) on the side for the mounting bolt that went into the hole in the left hand mudguard stay.

              Regards,
                             Eddie.
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Offline Michael Scott

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Re: Douglas S6 1930
« Reply #9 on: 21 Nov 2011 at 07:51 »
Hi
My incomplete pile of bits included a rear mudguard with a "bodged" split as per yours and I couild find no evidence that this was anywhere near standard so have welded it all up.
Removal of the rear wheel is accomplised by slipping extenders on the centre stand feet and thus massively lifting the rear end.
I found the dimensions etc somewhere on this site.  It works a treat!
The rear chain guard description above is as mine.
Michael
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