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 Post subject: fuel hose clamps
PostPosted: Sun Aug 23, 2020 9:15 pm 
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Joined: Mon May 10, 2010 9:49 pm
Posts: 366
Location: eu/us
model: 750 Paso
year: 1987
Hey all,

I'm finally changing the fuel hoses on my Paso - got 7mm ID / 12mm OD hose.
I want to get new 'cobra' clamps also.

Dinse only has the 11.5 size which according to page 3 of the chart below clamp 12-13mm hose.
Do you think that's good enough? I could get size 11 elsewhere, which is good for 11.5-12.5mm -- that'll clamp better I guess.


https://www.normagroup.com/norma.nsf/re ... 0COBRA.pdf


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 Post subject: Re: fuel hose clamps
PostPosted: Sun Aug 23, 2020 9:52 pm 
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Joined: Mon May 10, 2010 9:49 pm
Posts: 366
Location: eu/us
model: 750 Paso
year: 1987
One more thing - the Y connectors from Dinse are quite different from the originals.

The originals were Malossi. They're not available in 7mm anymore, only 6mm (inner D 3mm) and 8mm (inner D 5mm)


What do you think it's better 6mm or 8mm? I'm using 7mm hose.


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 Post subject: Re: fuel hose clamps
PostPosted: Mon Aug 24, 2020 11:11 am 
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Joined: Fri Jul 24, 2015 11:21 am
Posts: 249
Location: Belgium
model: 750 Paso
year: 1989
Hi,

I use cobra clamps myself (just a bit difficult to get them)!

From experience, 1 remark: measure the diameter of the fuel hose when you have slid the fuel hose onto the nipple and then you measure the outside diameter.
This because the Cobra clamps are beautifully made but very sensitive to the correct diameter (otherwise they will close but not clamp enough).
Also don't use a smaller size otherwise you will damage the fuel hose.
But honest: they are the best (looks a million euro's or dollars if you prefer)!
Look very professional (they are very easy to detach, you do not damage your hands and they never rust).

Frank

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Bimota SB4-S - 1984
Ducati Paso 750 - 1989
Suzuki SV1000S - 2008
Ducati Monster 796 abs - 2010


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 Post subject: Re: fuel hose clamps
PostPosted: Mon Aug 24, 2020 11:35 am 
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Joined: Fri Jul 24, 2015 11:21 am
Posts: 249
Location: Belgium
model: 750 Paso
year: 1989
Hi,

Sorry forgot to react on your Y fuel connector: the only way is up!
These days mostly 6mm or 8mm are available (either plastic or messing).
I would use the 8mm, will work fine with the 7mm fuel line (but again, for this application measure the diameter once you have slid the fuel hose on the connector because it wil be different to the 7mm fuel hose on a 7mm connector).

Frank

_________________
Bimota SB4-S - 1984
Ducati Paso 750 - 1989
Suzuki SV1000S - 2008
Ducati Monster 796 abs - 2010


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 Post subject: Re: fuel hose clamps
PostPosted: Thu Aug 27, 2020 5:29 pm 
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Joined: Mon May 10, 2010 9:49 pm
Posts: 366
Location: eu/us
model: 750 Paso
year: 1987
I went with the 8mm Y.
Will see when I get them.

Thanks.


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 Post subject: Re: fuel hose clamps
PostPosted: Fri Aug 28, 2020 1:01 pm 
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Joined: Mon May 10, 2010 9:49 pm
Posts: 366
Location: eu/us
model: 750 Paso
year: 1987
Stein-Dinse replaced the 8x13 with the correct 7x12mm hose - so all good.


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