Author Topic: Troubleshooting a JAP Special  (Read 225179 times)

Offline Rockburner

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Re: Troubleshooting a JAP Special
« Reply #240 on: Today at 08:29:32 AM »
I have been following your rebuild with interest, and would like to make one comment. The hose clamps you are using are squashing the crap out of the rubber hoses and I think maybe letting some drips of oil leak out. I always use the full band type on soft rubber hoses. Yes, they may be a few coins dearer to buy but they dont smash the hose and are easy to reuse.
https://valvewarehouseaustralia.com.au/products/norma-gbs-stainless-steel-hose-clamp-heavy-duty-t-bolt-w2
Enjoy the rest of the ride.

Interesting.   

The Jubilee clips seem to be doing a good  job at the moment in terms of sealing, and I take the point that they appear to be squashing the hose significantly.  I think the fitted hoses are particularly soft (the wall thickness is huge on them) though, which may be giving a slightly false impression of over-crushing.

I would point out that the Norma clips only go down to 17mm-19mm... that's too large for most of the hoses on this bike, they're not more than about 12-13mm outer diameter. 

I use Norma style clips on the Exhaust clamp though, and they work very well.  (I also have a couple of more modern BMW bikes, which use Norma clips on the exhausts).  I believe they have a limited range of hose capacity (which is why there's so many sizes on offer).

Offline murdo

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Re: Troubleshooting a JAP Special
« Reply #241 on: Today at 08:36:53 AM »
The Norma ones are just to show the type I use. They make them for use on car EFI systems so they can be got in smaller sizes.

Offline Rockburner

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Re: Troubleshooting a JAP Special
« Reply #242 on: Today at 09:43:31 AM »
The Norma ones are just to show the type I use. They make them for use on car EFI systems so they can be got in smaller sizes.

Gotcha, something to look at as a finishing touch, got bigger problems right now.

Offline Rex

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Re: Troubleshooting a JAP Special
« Reply #243 on: Today at 06:19:24 PM »
As an aside, I always use Jubilee/worm drive clips when the bike is still in the "fannying around with" stage as then are easily removed if required.