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nocturncal · January 20th, 2020, 06:16 AM

Hey guys,

My petcock started leaking, I originally thought it was leaking from the fuel lines so I replaced those. It continued to leak and ended up seeing that the leak was coming from the diaphram.

Not sure if related but recently after I fill my tank up a decent amount of gas will spill out of the overflow tube. This started happening around the same time as my petcock problem. I only fill to the metal neck.

I read the ninja250faq.org page on petcocks and other threads here and helped me a bunch

Anywho I'm trying to decide if I should disassemble and see if I can clean out the vents and maybe that will be enough. But if I have it disassembled, should I just go ahead with a rebuild? Does the petcock parts usually need a rebuild or are they generally a long lasting item that needs some cleaning with the vent hoses? I've got about 33,000 mi on the ninja.

I've also considered a low mileage used part on eBay.

January 20th, 2020, 06:16 AM	#1
nocturncal ninjette.org member Name: Cal Location: San Francisco Join Date: Jun 2017 Motorcycle(s): '09 Ninja 250R Posts: 180	Petcock Fuel Leaking, Should I Rebuild? Hey guys, My petcock started leaking, I originally thought it was leaking from the fuel lines so I replaced those. It continued to leak and ended up seeing that the leak was coming from the diaphram. Not sure if related but recently after I fill my tank up a decent amount of gas will spill out of the overflow tube. This started happening around the same time as my petcock problem. I only fill to the metal neck. I read the ninja250faq.org page on petcocks and other threads here and helped me a bunch Anywho I'm trying to decide if I should disassemble and see if I can clean out the vents and maybe that will be enough. But if I have it disassembled, should I just go ahead with a rebuild? Does the petcock parts usually need a rebuild or are they generally a long lasting item that needs some cleaning with the vent hoses? I've got about 33,000 mi on the ninja. I've also considered a low mileage used part on eBay.