July 6th, 2012, 01:54 PM | #1 |
ninjette.org member
Name: Frank
Location: Cayman Islands
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Fuel Petcock Leaking
Hi I am trying to get my new to me 03 250 going but noticed fuel leaking from the petcock. Any ideas on what could be causing this would be appreciated.
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July 6th, 2012, 02:01 PM | #2 |
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July 6th, 2012, 04:21 PM | #3 |
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Name: Frank
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Thanks, what parts do you normally replace, is it o-ring and diaphragm ?
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July 7th, 2012, 06:08 AM | #4 |
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Name: Hernan
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Where is it leaking from?
It can leak from the lever side or the side to which the hoses connect (diaphragm). These are two systems in one: a two-way valve (handle lever) and a vacuum activated valve (diaphragm).
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July 7th, 2012, 08:00 AM | #5 |
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Thanks Moto, Its leaking from the diaphragm side. going to pull it apart and inspect, anything special to look out for ?
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July 7th, 2012, 12:19 PM | #6 |
Daily Ninjette rider
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Yes, be careful when you pull the plates apart, because the two neoprene diaphragms are very thin and delicate and can be broken even if they are in good shape (they are expensive).
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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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July 7th, 2012, 12:50 PM | #7 |
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The diaphragm runs around $22 plus shipping from Ron Ayers http://www.ronayers.com/ProductDetails/N/687/SKU/594512
Another option would be to buy a used petcock in known good condition. |
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July 8th, 2012, 07:22 AM | #8 |
ninjette.org member
Name: Frank
Location: Cayman Islands
Join Date: May 2012 Motorcycle(s): ZRX1100 & Ninja 250 Posts: 11
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Thanks guys, I will try and get around to it this weekend and see what I can find.
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July 8th, 2012, 03:09 PM | #9 |
ninjette.org member
Name: Frank
Location: Cayman Islands
Join Date: May 2012 Motorcycle(s): ZRX1100 & Ninja 250 Posts: 11
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Update. Pulled petcock apart and couldnt see anything with the naked eye so will go ahead and order new diaphragm unless I can find anyone here that may have a good used fuel petcock that they would like to sell.
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July 8th, 2012, 04:19 PM | #10 |
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Name: Frugal
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Might be a good idea to check for flatness of mating surfaces, if either half of the petcock assembly is warped then a new diaphragm may not stop the leak. I run pieces across a large mill file, it's really obvious if one part is warped significantly.
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