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Author Topic: but size for Centre tank- Exhaust downpipe diameter  (Read 2547 times)

Offline bwg3coy

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but size for Centre tank- Exhaust downpipe diameter
« on: December 09, 2018, 03:03:09 PM »
I have a 1977 Triumph Tiger TR7V.
I have forgotten the nut size of the Centre tank nut?
Also the diameter of the exhaust down pipe? I think it’s 350mm?
Can anyone help
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Offline Rex

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Re: but size for Centre tank- Exhaust downpipe diameter
« Reply #1 on: December 09, 2018, 03:36:26 PM »
350mm would be the diameter of the exhaust pipe on the QE2! ;)
From a (very distant) memory, the nut is 5/16" UNF.
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Offline bwg3coy

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Re: but size for Centre tank- Exhaust downpipe diameter
« Reply #2 on: December 09, 2018, 06:19:37 PM »
Thanks Rex👍
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Offline Grunt

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Re: but size for Centre tank- Exhaust downpipe diameter
« Reply #3 on: December 11, 2018, 01:31:03 PM »
The tank mounting nut and stud is 5/16UNF, part numbers 14-0302 and 83-4930. The diameter of the into head exhaust on my ‘77 Bonnie is more canal boat size at 35mm.
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