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Post subject: Clear oil pipe?
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Pan  Powerband Master Joined: 19 Jun 2005 Total posts: 562 Location: Liverpool UK |
As I've just fitted KR1S carbs I have had to muck about with the oil feeds. I was thinking that clear pipe would be a good idea as you could keep an eye on oil delivery but in the past I have had bikes that some Muppet had fitted with clear petrol pipes that were now brittle because of the fuel. I suspect this will also happen with 2 stroke oil, can anyone recommend a clear pipe that will be suitable?
Cheers,
Mark...
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Posted: Fri May 23, 2008 10:38 pm
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Les Regular Racer Joined: 13 Aug 2003 Total posts: 404 Location: Borehamwood |
pgm sell em
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Posted: Fri May 23, 2008 11:22 pm
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gerrywilson Suburban Commuter Joined: 04 Sep 2007 Total posts: 75 Location: toronto/ durham |
get some at any good lawn equipment parts /service store.
they use in on 2 stroke chainsaws/grass trimmers etc.
Over here it is called "tygon" funky glow in the dark yellow colour you can see through.
just take some old line to compare, it will be the same i.d put slightly bigger o.d.
gerry
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Posted: Sat May 24, 2008 3:29 am
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PanPowerband Master Joined: 19 Jun 2005 Total posts: 562 Location: Liverpool UK |
Cheers fella's 
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Posted: Sat May 24, 2008 7:24 am
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Post subject: pipe
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stevebozzy Daily Burner Joined: 29 Dec 2006 Total posts: 120 Location: littleborough ,lancs |
clear pipe is a good idea
i got some from stinkwheels,
had no problems with them going brittle
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Posted: Sat May 24, 2008 10:08 am
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Post subject: Re: pipe
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| booga Joined: 10 Feb 2004 Total posts: 7699 |
| stevebozzy wrote: |
clear pipe is a good idea
i got some from stinkwheels,
had no problems with them going brittle |
Agreed sonds like an excellent idea.
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Posted: Sat May 24, 2008 10:32 am
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Fortypence Sunday Rider Joined: 28 Apr 2008 Total posts: 43 Location: Ireland |
I seen clears lines on a 350LC at the North West 200 last week. Very good idea which I think I'll have to copy.
Having said that, I then remembered many moons ago in my early 2 stroke days that some lads had them on thier bikes.
I had them fitted to my old DT and later a YPVS.
The years must've killed off a few cells in the ol' grey matter that I had forgotten about this "mod" 
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Posted: Sat May 24, 2008 11:42 am
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gerrywilsonSuburban Commuter Joined: 04 Sep 2007 Total posts: 75 Location: toronto/ durham |
| Fortypence wrote: |
I seen clears lines on a 350LC at the North West 200 last week. Very good idea which I think I'll have to copy.
Having said that, I then remembered many moons ago in my early 2 stroke days that some lads had them on thier bikes.
I had them fitted to my old DT and later a YPVS.
The years must've killed off a few cells in the ol' grey matter that I had forgotten about this "mod" |
its ok, just think what your old cells in your gas/oil line feel like 
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Posted: Sat May 24, 2008 1:42 pm
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| xen-uno Joined: 27 Jul 2005 Total posts: 844 |
I would equalize the oil line lengths for both carbs. There can be no other reason why (on mine anyhow) the left cylinder smokes more than the right on warm up other than the difference in "reservoir" capacity in unequal length lines.
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Posted: Sat May 24, 2008 3:16 pm
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jante350 RD/RZ Jedi Master Joined: 05 Aug 2003 Total posts: 5130 Location: Bergen, Norway |
| xen-uno wrote: |
| I would equalize the oil line lengths for both carbs. There can be no other reason why (on mine anyhow) the left cylinder smokes more than the right on warm up other than the difference in "reservoir" capacity in unequal length lines. |
Sidestand.. 
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Posted: Mon May 26, 2008 2:21 pm
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| xen-uno Joined: 27 Jul 2005 Total posts: 844 |
Yeah jante ... except that the actual oil hole into the carb throat (stock configuration) is like 1 mm in diam. Seems like a hole that small would act like a check valve when no pressure exists. Also the lines tie in from below ... so there is no residual head pressure short of the bike laying on it's side (I guess there would be ... from the oil tank itself since the pump checks block reverse flow ... but that wouldn't be angle dependent).
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Posted: Mon May 26, 2008 2:55 pm
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| ricrd400 Two Stroke Wonder Joined: 23 May 2008 Total posts: 2 |
| xen-uno wrote: |
| Yeah jante ... except that the actual oil hole into the carb throat (stock configuration) is like 1 mm in diam. Seems like a hole that small would act like a check valve when no pressure exists. Also the lines tie in from below ... so there is no residual head pressure short of the bike laying on it's side (I guess there would be ... from the oil tank itself since the pump checks block reverse flow ... but that wouldn't be angle dependent). |
I have seen this uneven smoking before. Usually the result of slightly uneven throttle slide positions. Also a slightly higher fuel level in that particular carburettor caused by worn float valve or dirt can cause more smoke. Parking on sidestand makes this worse. Oil pipe length can't influence smoking because atmospheric pressure can not freely act upon the pump side of the pipe.
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Posted: Mon May 26, 2008 6:08 pm
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