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what size oil lines? #221630
11/01/08 6:04 pm
11/01/08 6:04 pm
Joined: Jul 2007
Posts: 365
milton iowa
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ozzman Offline OP
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milton iowa
whats size is the oil lines on a 650cc triumph? 5/16 or 3/8?

Last edited by ozzman; 11/01/08 6:05 pm.
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Re: what size oil lines? [Re: ozzman] #221632
11/01/08 6:19 pm
11/01/08 6:19 pm
Joined: Nov 2005
Posts: 7,259
Back on the mainland!
JubeePrince Online content

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JubeePrince  Online Content

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Back on the mainland!
Assuming unit construction, I know the OIF is 5/16 for the feed and 3/8 for the return......I would expect the dry frames to be the same....those are for the main supply and return lines, the breather hoses and rocker box feed may be slightly different....

HTH,

Steve


'77 T140J
"Vintage Bike". What's in your garage?

"The paying customer is always right."

Fitting round pegs into square holes since 1961...
Re: what size oil lines? [Re: JubeePrince] #221657
11/01/08 9:00 pm
11/01/08 9:00 pm
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Posts: 365
milton iowa
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ozzman Offline OP
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milton iowa
maybe thats why i was confused, i was thinking one or the other, 5/16 or 3/8, not needing both sizes. i just remember on my first triumph years ago i had put one that was just a little to big on first and it did not seal tight with the hose clamp and leaked. to much rubber bunched up. i want to avoid buying the wrong size this time around. and im planning on braided line this time so the cost will be higher...lol there is not much difference between the two sizes, they should of made them the same...lol

Re: what size oil lines? [Re: ozzman] #221664
11/01/08 9:53 pm
11/01/08 9:53 pm
Joined: Oct 2003
Posts: 11,140
North Georgia, USA
RF Whatley Online content
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RF Whatley  Online Content
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North Georgia, USA
It depends on the year... which you forgot to tell us.


Don't hide 'em, Ride 'em !!

RF Whatley
Cornelia, GA

"Shop Boy" at Rodi British Bikes
Re: what size oil lines? [Re: RF Whatley] #221689
11/02/08 12:57 am
11/02/08 12:57 am
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milton iowa
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milton iowa
1966 T120R

Re: what size oil lines? [Re: ozzman] #379904
06/20/11 5:27 pm
06/20/11 5:27 pm
Joined: Jan 2009
Posts: 117
Canada
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dracko Offline
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Canada
4 year thread bump!
Found this thread after doing a little searching Google.

I'm building a 1971 T120. Haven't fired it yet. Currently have 5/16 ID hose for Feed and Return lines to tank. is this alright? or do I really need to get some 3/8" ID for return line?

1/8" ID okay for rocker feed line?

thanks.

Last edited by dracko; 06/20/11 5:28 pm.
Re: what size oil lines? [Re: dracko] #380033
06/21/11 4:46 am
06/21/11 4:46 am
Joined: Jul 2009
Posts: 227
Nebraska, USA
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ed_h Offline
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On my 71 T1100R it was 5/16 and 3/16. the 3/16 isn't easy to find in a hose rated for hot oil.



For just a little more, you can do it yourself!
Re: what size oil lines? [Re: dracko] #380195
06/22/11 12:22 am
06/22/11 12:22 am
Joined: May 2009
Posts: 612
San Rafael, Ca.
BikeVice Online content
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BikeVice  Online Content
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San Rafael, Ca.

My 1971 T120 uses 5/16" hose for both feed and return. I don't think the 3/8" hose appeared until the 750's when Triumph moved the oil feed to the absolute bottom of the frame and incorporated the pickup into the sump cover. For the rocker feed on an OIF 650, I last used VW diesel injector return hose from the local auto parts store. I think it's 3.5mm.


Eric


1971 T120RV (R.I.P.)
1973 T140V/TR7
1993 Ducati 900 SS
Re: what size oil lines? [Re: ozzman] #380227
06/22/11 2:50 am
06/22/11 2:50 am
Joined: Jan 2009
Posts: 117
Canada
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dracko Offline
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Canada
Hey thanks for the info Eric. 3.5mm is basically 1/8 I think so my 1/8 copper line should work.

cheers

Dan


Moderated by  John Healy 


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