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#1 |
Join Date: May 2016
Posts: 583
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Mikuni drain hose wet but not dripping
I never paid any attention to drain hoses in the past, is it normal for them to be wet with fuel but no noticeable dripping. I opened up the drain screw some and held the end of the hose up to see where the fuel level in the carb is and it appears to be almost level with the top of the bowl.
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#2 |
Join Date: May 2016
Posts: 231
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funny you mention that, I saw the same on mine and just assumed it was normal. I never see it leaking but almost looks like it's weeping or something.
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Hawk 250 with following performance mods: 17t, Mikuni with 110/25, Uni filter, Exhaust. |
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#3 |
Join Date: May 2016
Posts: 583
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I wonder if it is just fumes condensing? If a few more say they experience the same thing, it's a safe bet that's exactly what's happening.
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#4 | |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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#5 |
Join Date: May 2016
Posts: 583
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Normal when going over bumps, but, I'm asking if it is normal when parked?
I'm also curious at what level should the fuel be? As I stated earlier, mine is about even with the top of the bowel. |
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#6 | |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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#7 |
Join Date: Jan 2015
Location: arkansas
Posts: 297
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Leaks..........probably not in this case but I have had and others also, a leak that is so little that it doesn"t drip but you can smell it in the garage and will empty the gas tank if left alone by itself.
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#8 | |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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Quote:
![]() Last edited by Ariel Red Hunter; 08-02-2016 at 08:20 PM. |
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#9 |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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Mikuni drain hose
A possible reason for Mikuni's to have wet ends on the drain hose, and smell up the garage with gas smells is if the float level is too high. You have to be super careful when changing jets to not in-advertently bend the float arm just that little bit to over fuel the float bowl. When you turn the carb upside down with the float bowl off, measure from the machined ridge on the carb body to the farthest point on the float. Should be between .6 and .66 inch. The little metal plate that touches the needle is where you adjust float height. Take the float out in order to bend the tab. These float and needle and seat parts are very delicate, so be careful.
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#11 |
Join Date: Mar 2009
Location: Sardis, BC, Canada
Posts: 25,977
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Interesting! I hadn't thought of that.
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Weldangrind "I figure I'm well-prepared for coping with a bike that comes from the factory with unresolved issues and that rewards the self-reliant owner." - Buccaneer |
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#12 | |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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#13 |
Join Date: Jun 2016
Location: Arlington, VA
Posts: 258
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I deal a lot with antique moto guzzis, and we find the lighter float trick works well on 40 year old carbs...
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#14 | |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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