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Re: '55 Triton Cafe Racer
[Re: Bry]
#688867
03/21/17 4:04 pm
03/21/17 4:04 pm
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Joined: Mar 2017
Posts: 3 Fremantle, West Aus
Adrian1983
BritBike Forum member
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BritBike Forum member
Joined: Mar 2017
Posts: 3
Fremantle, West Aus
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Hey Bry,
First off, absolutely amazing work!
I have a question I was wondering/hoping if you could help me with; I tried sending you a PM, but for some reason it's not working for me.
I'm currently in the process of restoring a '51 Wideline Triton and I'm going to be putting some Ceriani GP35 forks on her and the guy making them needs the dimensions for the stem - but I'll be stuffed if I can find that info anywhere.. Would you mind terribly helping me with this?
Cheers, Adrian.
Two bike's, both in pieces;
- '51 Wideline Triton w/ '61 pre-unit 650 - '50 Triumph 6T
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Re: '55 Triton Cafe Racer
[Re: Bry]
#697394
06/04/17 7:45 pm
06/04/17 7:45 pm
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Joined: Aug 2001
Posts: 7,290 scotland
triton thrasher
BritBike Forum member
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BritBike Forum member
Joined: Aug 2001
Posts: 7,290
scotland
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Where can I buy good files from these days?
Amateur Loctite enthusiast.
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Re: '55 Triton Cafe Racer
[Re: Bry]
#697511
06/05/17 6:05 pm
06/05/17 6:05 pm
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Joined: Aug 2001
Posts: 7,290 scotland
triton thrasher
BritBike Forum member
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BritBike Forum member
Joined: Aug 2001
Posts: 7,290
scotland
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Thanks.
What holds those drilled plates onto the silencers?
Amateur Loctite enthusiast.
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Re: '55 Triton Cafe Racer
[Re: Bry]
#697871
06/08/17 10:22 pm
06/08/17 10:22 pm
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Joined: Aug 2001
Posts: 7,290 scotland
triton thrasher
BritBike Forum member
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BritBike Forum member
Joined: Aug 2001
Posts: 7,290
scotland
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Ok- unless your Triton vibrates a lot less than mine, look out for those slotted attachments cracking and falling apart.
You may be able to avert that by mounting them with rubber in there somewhere.
Amateur Loctite enthusiast.
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Re: '55 Triton Cafe Racer
[Re: Bry]
#698074
06/10/17 8:14 pm
06/10/17 8:14 pm
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Joined: Aug 2001
Posts: 7,290 scotland
triton thrasher
BritBike Forum member
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BritBike Forum member
Joined: Aug 2001
Posts: 7,290
scotland
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I have two rubber bobbins on each silencer, so the exhaust doesn't drop off when the rubber inevitably eventually fails.
Amateur Loctite enthusiast.
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Re: '55 Triton Cafe Racer
[Re: Bry]
#698142
06/11/17 3:23 pm
06/11/17 3:23 pm
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Joined: Dec 2004
Posts: 9,224 Scotland
kommando
BritBike Forum member
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BritBike Forum member
Joined: Dec 2004
Posts: 9,224
Scotland
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The ones in the photo are Commando rear oil tank fittings and they are prone to failure as the tank is not supported very well, I have replaced them with old Mini exhaust rubber mounts which I also use to support the silencers on my Commando but not with a 6mm thread on one end, 5/16 on both ends. There are waisted ![[Linked Image]](https://www.clampcouk.co.uk/media/catalog/product/cache/1/image/300x/9df78eab33525d08d6e5fb8d27136e95/e/s/esm1_1.jpg) and unwaisted versions ![[Linked Image]](https://www.clampcouk.co.uk/media/catalog/product/cache/1/image/300x/9df78eab33525d08d6e5fb8d27136e95/e/s/esm15.jpg) there are chinese knockoffs with 8mm threads. All these bobbins suffer from being weak in shear and one of the ends eventually loses the fight to grip the rubber, so the waisted version is not more failure prone.
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Re: '55 Triton Cafe Racer
[Re: triton thrasher]
#698164
06/11/17 6:42 pm
06/11/17 6:42 pm
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Joined: May 2006
Posts: 293 Scotland
Bry
OP

Life Member
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OP

Life Member
Joined: May 2006
Posts: 293
Scotland
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The ones in the photo are Commando rear oil tank fittings and they are prone to failure as the tank is not supported very well, I have replaced them with old Mini exhaust rubber mounts which I also use to support the silencers on my Commando but not with a 6mm thread on one end, 5/16 on both ends.
......
All these bobbins suffer from being weak in shear and one of the ends eventually loses the fight to grip the rubber, so the waisted version is not more failure prone.
Thanks, as I need to be able to screw these into the captivated nuts in the slotted channel on the silencer, I have ordered a set of these ( http://www.avindustrialproducts.co.uk/documents/Page%209.%20Hex-Bemag%20Bobbins.pdf) with hex end plates to get a spanner on. The manufacturer does give a shear rating for these, but we'll see how long a service life they have. How often do you need to replace the ones on your Norton? Thanks a lot for posting the pictures triton thrasher, that helps a lot. I should be able to have a similar arrangement with 2 bobbins per silencer. Are these the only exhaust supports that you have, other than the connection at the head?
1946 Velocette MSS 1955 Triton (project) 1959 Velocette Venom 1966 Triumph T120
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Re: '55 Triton Cafe Racer
[Re: Bry]
#698175
06/11/17 8:29 pm
06/11/17 8:29 pm
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Joined: Aug 2001
Posts: 7,290 scotland
triton thrasher
BritBike Forum member
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BritBike Forum member
Joined: Aug 2001
Posts: 7,290
scotland
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Yes they're only held there and at the head. I don't clamp the pipes onto the head stubs very tightly, since cracks have occurred at that end too.
There are car engine mounting rubber bobbins in existence, that are much stronger. Some day, some day I'll fix it right..... or maybe I'll just run out of days.
Amateur Loctite enthusiast.
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Re: '55 Triton Cafe Racer
[Re: Bry]
#698201
06/12/17 2:31 am
06/12/17 2:31 am
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Joined: Apr 2011
Posts: 21 Southern Ontario, Canada
johnod
BritBike Forum member
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BritBike Forum member
Joined: Apr 2011
Posts: 21
Southern Ontario, Canada
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You have through bolts on the oil tank?
1969 Royal Enfield Interceptor 1982 Suzuki Katana 1100 1996 Buell S2T Thunderbolt 1997 Harley Ultra Classic 2002 BMW K1200RS Triton project, mainly boxes of stuff.
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