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17-01-2018, 01:05 PM | #1 |
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A quick Q on fuel lines..
Pulled the tank off my M800ie and ..can't recall which fuel line goes on which tank outlet (misplaced my sketch!)..one hose has a 'M' tag on it ..but which spigot does it attach to?
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17-01-2018, 01:53 PM | #2 |
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Join Date: Jul 2003
Location: East London
Bike: Multiple Monsters
Posts: 9,714
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M is delivery (Mandata)
R is return (Ritorno) Last edited by slob; 17-01-2018 at 04:15 PM.. Reason: added pic |
17-01-2018, 07:32 PM | #3 |
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Join Date: Jan 2018
Location: Drongen
Bike: S2r 1000
Posts: 49
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Just like slob said.
Sometimes the fueltanks are marked with IN and OUT IN = Ritorno = R = Into the tank OUT = Mandata = M = From the tank to the carb/throttle body |
17-01-2018, 11:23 PM | #4 |
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brilliant!!..thanks so much Slob/TimDW for such simple clarity!! G
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18-01-2018, 10:39 AM | #5 | |
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Join Date: Sep 2010
Location: Leics
Bike: M900
Posts: 2,848
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Quote:
Certainly on my 916 it works either way as it's just creating a pressurised 'loop' from tank back to tank (with injectors in the loop) so orientation is unimportant, of course if the regulator is external and therefore between injectors and tank then it won't if you connect it wrong run as you won't get any fuel to the injectors...
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M900, 916, LeMans II. |
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18-01-2018, 11:45 AM | #6 |
Too much time on my hands member
Join Date: Jan 2013
Location: Shipbourne
Bike: M900
Posts: 1,421
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Dukedesmo: what about the placement of the filter in the system if it ends up on the return to the tank it is too late?
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18-01-2018, 12:39 PM | #7 | |
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Join Date: Sep 2010
Location: Leics
Bike: M900
Posts: 2,848
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Quote:
I believe (at least some) Monsters are different? my (carby) Monster has a fuel-injected model tank and it too has an internal filter but no regulator. I have set it to circulate a loop which has a 'T' (actually a 'Y') to feed the carbs and the excess fuel just returns to the tank but (I believe) the fuel injected Monster it originates from has an external regulator built into the throttle body assembly? In which case the out and in would matter otherwise you'd be pumping fuel to the backside of the regulator and not getting to the injectors? It would still be filtered though.
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M900, 916, LeMans II. |
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18-01-2018, 01:16 PM | #8 | |
Transmaniacon MOC
Join Date: Sep 2013
Location: Sutton In Ashfield
Bike: Multiple Monsters
Posts: 6,029
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Quote:
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Roast Beef Monster! Termignoni and Bucci - Italian for pipe and slippers! S4 Fogarty, S4R 07T, 748, Series 1 Mirage |
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18-01-2018, 06:44 PM | #9 |
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Join Date: Jan 2018
Location: Drongen
Bike: S2r 1000
Posts: 49
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Normally a fuelfilter has a direction. There is an arrow on the OEM filters... So I think theoretically it would not matter, but practical is does...
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18-01-2018, 07:24 PM | #10 | |
You Are What You Is
Join Date: May 2005
Location: A Foward Location
Bike: S4r
Posts: 1,948
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Quote:
Additionally, there is a fine screen at the fuel connection on the injector |
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18-01-2018, 07:45 PM | #11 |
Transmaniacon MOC
Join Date: Sep 2013
Location: Sutton In Ashfield
Bike: Multiple Monsters
Posts: 6,029
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Bit of a thread hijack. So can you change the standard pressure reg and get a bit more pressure/better performance?
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Roast Beef Monster! Termignoni and Bucci - Italian for pipe and slippers! S4 Fogarty, S4R 07T, 748, Series 1 Mirage |
18-01-2018, 08:03 PM | #12 | |
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Join Date: Sep 2010
Location: Leics
Bike: M900
Posts: 2,848
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Quote:
I understand you can also 'adjust' it, by gently tapping it with a small ball-pein hammer to dent it and If done correctly it increases the fuel pressure a little. You'd then need to do other mods; gasflow, remap etc. or you'll just run richer.
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M900, 916, LeMans II. |
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