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#46 | |
Lord of the Rings
Join Date: May 2013
Location: Norwich
Bike: M900sie
Posts: 5,935
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Quote:
The shoulder length is 19mm, I'll get the diameter a bit later today when I open the workshop, but it will be the same as a standard Ducati shoulder bolt. Great idea to source those bits to make up custom shoulder bolts and spacers. I had to do the same to replace some shouldered body bolts on the other bike. They were M5 with a 2mm shoulder, so I found some ally spacers the right size from China and they work well with Titanium bolts, except I have to remember to catch the little spacer/shoulder when I take them out. It might even work out cheaper or not much more to get a local person with a lathe to spin some top hats up from 25mm ally bar. Dacs knows someone in Norwich and there is Hutch at HTE motorcycles in Beeston. htemotorcycles@yahoo.co.uk. they are all over the place if you look. Alec at English Electric Motor Company in Redgrave has got a lovely lathe.
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#47 | |
Registered User
Join Date: May 2024
Location: Diss
Bike: M600
Posts: 22
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#48 | |||
Registered User
Join Date: Apr 2016
Location: Farnborough
Bike: M900sie
Posts: 185
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Quote:
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As Mr Gazza observes, the factory supported the rubber bushing on both sides; there's a washer behind the silentbloc (apart from that one place on the M900 parts diagram that I think is a mistake), and the head of the shouldered bolt contains it at the front, so the bush is all sandwiched in place and constrained. The back end (between the hanger and whatever it fits to, frame or crankcase/prop stand bracket, whatever) - is just spacer dimension & exposed thread. What I really like about Mr Gazza's approach, is that the end result looks very tidy - it could have come from the factory. I did wonder - as he mused earlier - if you could utilize a factory part - like the washer the factory used on the oil cooler fixings. Which may be 84110011C, which some describe as "fairing mounting cap" - and might be available in silver or gold (seen both). This would likely limit the availabilty of M8 bolts though, as that washer wants to be used with a low profile socket cap head, which don't look to be as readily available in longer lengths (over 60mm). That may even be long enough... Measuring it all up and figuring out what's needed would seem to be key... Last edited by spuggy; 25-06-2024 at 07:38 PM.. |
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#49 |
Registered User
Join Date: May 2024
Location: Diss
Bike: M600
Posts: 22
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Yes thanks for the extra info. I can see the washer on the parts map and will make a note when I dismantle. I don't expect I'll need a bolt longer than 60mm so hopefully all should be ok.
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#50 | |
Registered User
Join Date: Apr 2016
Location: Farnborough
Bike: M900sie
Posts: 185
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Quote:
So the length of the bolt you'd need would be that measurement, plus:
Not to say that low-profile socket caps in that length aren't available - just that a 3 minute search on Flea Bay turned up a UK supplier offering ones up to 60mm.. |
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