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Old Yesterday, 10:39 PM   #1
Rockwell OP
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Joined: Nov 2008
Location: Ontario
Oddometer: 622
Cracking 990 Fuel Line

During my last valve clearance check, I noticed that the fuel line (that gets disconnected when taking the left tank off) from the fuel pump up to the throttle bodies was cracking. Has anyone had to replace these yet?
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Old Today, 12:10 AM   #2
DirtyADV
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Joined: Jan 2007
Location: SWEDEN, Skellefteå
Oddometer: 1,867
There have been people writing that it had developed leaks, have it on my to do list to get a sturdier metal quick coupling and replace hose with a highquality hose, possible with braided protection.

Mine still looks good ...should do that only 1200 km on the bike so far =)

/Johan
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Old Today, 12:39 AM   #3
guglemonster
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Joined: Aug 2007
Oddometer: 60
yep happened to all the motos I saw while modifing with external fuel set.

buy quality hoses, 7,5, I prefer AKRON reinforced, in the point put some old hoose cut in half and gued to the strout, reused the quick couplig just cutting it loose from the old pipe, than inox clamp and period. :)



use the 7,5 mm so that with the time it will not lose it's shape while soaking in petrol, never forget it's NBR, it will eventually soak up and increase half the size.

ciaps

guglemonster screwed with this post Today at 12:48 AM
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Old Today, 12:40 AM   #4
AlxT
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Joined: Dec 2012
Location: Chania, Crete, GR
Oddometer: 60
Last year i changed mine with a high quality hose and a metal ring (the one in the throttle bodies) a month prior to a 5000 klm trip.
Figured out the hard way that metal rings (the ones that need a screwdriver) wont work for me in there.
I had to open up the airbox twice in that trip as every 2000 klm or so the metal ring got loose, the hose got off the throttle bodies and flooded the airbox. Replaced it with a hole set of OEM preformed hose and metal clamp and never had a problem ever since.
Never quite understand if the clamp was the problem or the new hose wasn't preformed and pulled downwards.
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Old Today, 12:47 AM   #5
guglemonster
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Joined: Aug 2007
Oddometer: 60
got pushed off by the pressure itself and the loose fit

happens all the time wit 8mm hoose and elastic clip

use the screw inox version and it will stay there for ever :)

original is too expensive and not the rigth solution, YOU are the rigth solution 99 times out of 100

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