January 11th, 2014, 11:42 PM | #1 |
ninjette.org member
Name: AZ
Location: Orlando FL
Join Date: Oct 2012 Motorcycle(s): 2002 Ninja 250 Posts: 213
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Bike bogs down everytime it rains
I had issues in the past and even wrote a few threads about it here but the problem seems to come and go. Lately the problem is been happening more often. Now every time it rains my bought my bike bogs down really badly and I'm always getting rain in the gas tank.
At this point I have no idea how the water is getting into the tank. My latest attempt at keeping the water out was to cover the entire gas cap with tape before work today. During work it rained, when it was time to leave, I made it almost all the way home then it started bogging down really bad in my neighborhood. luckily I made it home. This also happened 2 nights ago when it rained. Poured nearly an entire bottle of heat into about 2 1/2 gallons worth of gas in my tank to finally get it working so I could make it home. I also don't understand why I'm able to ride almost 16 miles before it starts bogging? What am I missing here? The seals look fine. |
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January 12th, 2014, 12:17 AM | #2 |
Daily Ninjette rider
Name: Hernan
Location: Florida
Join Date: Mar 2011 Motorcycle(s): 2007 Ninja 250 Posts: A lot.
MOTY - 2016, MOTM - Dec '12, Jan '14, Jan '15, May '16
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Do you have a regular air box and filter?
Are all tube connections to that box sealed? Is there a way for water to route down into the bowls of one or both carbs?
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Motofool .................................Never ride faster than your guardian angel can fly "Mankind is composed of two sorts of men — those who love and create, and those who hate and destroy. Love is the bond between men, the way to teach and the center of the world." - José Martí |
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January 12th, 2014, 12:26 AM | #3 | |
ninjette.org member
Name: AZ
Location: Orlando FL
Join Date: Oct 2012 Motorcycle(s): 2002 Ninja 250 Posts: 213
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Quote:
Haven't looked. I do know that when this happens, I drain the carbs, try to start the bike, then drain the carbs again hopping that it will work. Options are limited on the side of the road. Sigh. Thanks though, good points. I'll start checking that tomorrow morning. |
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January 12th, 2014, 12:42 AM | #4 | |
Daily Ninjette rider
Name: Hernan
Location: Florida
Join Date: Mar 2011 Motorcycle(s): 2007 Ninja 250 Posts: A lot.
MOTY - 2016, MOTM - Dec '12, Jan '14, Jan '15, May '16
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Quote:
Once it reaches the bowls, it goes to the bottom and as the level goes up, it blocks the inlets of the jets (fuel can be sucked and vaporized by the Venturi effect, but water cannot). Place the bike as you normally parked it (vertical or inclined) and think like water, ..........or, if you are bold enough, spray it with water section by section and watch.
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Motofool .................................Never ride faster than your guardian angel can fly "Mankind is composed of two sorts of men — those who love and create, and those who hate and destroy. Love is the bond between men, the way to teach and the center of the world." - José Martí |
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January 12th, 2014, 02:49 PM | #5 | |
Long Time Rider
Name: Blue
Location: Charlotte, NC
Join Date: Sep 2010 Motorcycle(s): 2009 Kawasaki Ninja 250R Posts: A lot.
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Quote:
try adding more gas (Ethanol free if you can get it). |
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1 out of 1 members found this post helpful. |
January 12th, 2014, 04:27 PM | #6 | |
ninjette.org member
Name: AZ
Location: Orlando FL
Join Date: Oct 2012 Motorcycle(s): 2002 Ninja 250 Posts: 213
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Didn't find out how the water is getting into my tank. Had to take the tank off and dump the old fuel out. Rode a bicycle for 5 miles to get some more gas, and I got it running for now.. I'm afraid of what happens next time it rains though. I had to call off from work again for this. They're not happy at all, I may get fired tomorrow. Sigh.
Quote:
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May 27th, 2014, 12:35 PM | #7 |
CPT Falcon
Name: J.Emmett Turner
Location: Newnan, GA
Join Date: Apr 2009 Motorcycle(s): '08 CP Blue EX250J, '97 unpainted EX250F, 2nd '97 unpainted EX250F (no engine), '07 black EX250F Posts: A lot.
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Sealing over the gas cap with tape can also cause a problem. It needs to breathe so that the tank doesn't form a vacuum as it drains.
I encountered rain right after leaving my hot bike running in a parking lot for almost an hour and the rapid cooling caused the air to contract, starving the carbs of fuel. I stalled only a couple blocks away. I didn't dare open the fuel door in the downpour and ended up pushing it for almost a mile to a gas station where I found out that -SURPRISE!- I still had plenty of fuel. It started right up after opening the fuel door but I didn't figure out why until months later (initially thought I had just diluted bad gas with fresh gas). |
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