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Welcome fellow FZ1 long distance rider. 2002 Yamaha FZ1 2004 Ducati ST4s ABS “Senna”

Those pipes are for overflow if a float gets stuck open. You might be able to tap the bowl(s) and free the stuck float. But realistically a carb cleaning and rebuild is in order. 2002 Yamaha FZ1 2004 Ducati ST4s ABS “Senna” 1998 Ducati ST2 apocalypse edition

Check the green connector under the tank. Make sure it’s seated into the base of the sending unit. They have a tendency to get pulled out a bit if you raise the tank too far. 2002 Yamaha FZ1 2004 Ducati ST4s ABS “Senna” 1998 Ducati ST2 apocalypse edition

Mystery solved. Carb #2 float bowl seal didn’t seat properly and had malformed when I rebuild them recently, thus the leaking. Now, no more leaking. 2002 Yamaha FZ1 2004 Ducati ST4s ABS “Senna” 1998 Ducati ST2 apocalypse edition

Third times a charm, right? 2002 Yamaha FZ1 2004 Ducati ST4s ABS “Senna” 1998 Ducati ST2 apocalypse edition

Carb 2 in particular continues to leak down the face of the float bowl and drip off the bowl drain. I did a thorough rebuild as they were all looking this way and I thought maybe the bowl gaskets were long overdue for a change. 2002 Yamaha FZ1 2004 Ducati ST4s ABS “Senna” 1998 Ducati ST2...

Just my 2-cents, but the gen 2 FZ had upside down forks and really just needed stiffer springs, unless you’re jockey-sized. But if you find a good deal on R1 forks go for it. Be prepared to deal w/possible triple tree swap. Not sure on that. Dig around on the conversion and see what’s needed...

Let us know how that “not too big of a deal” works out for you. I’ve done this job twice now on my ‘02. It’s not rocket science but it’s not a 2 beer job either. Sent from my iPhone using Tapatalk

Yep, sounds like tune up time. Sent from my iPhone using Tapatalk

Hello riding brethren! I've been a member of the Yamaha FZ1 Owner's Association for several years (under the same username.) I was made aware of this forum via the Facebook group. I ride an '02 FZ1 I bought new. It's just shy of 100k miles and running very strong still. My wife & I have...