Carb Troubles - Where do these pipes go?

Issues with balancing, jets, filters, etc

Carb Troubles - Where do these pipes go?

Postby Johnnynhl57 » 27 Jul 2022, 15:49

Hi Guys, Query in relation to a 1992 Kawasaki 550ZR, I had the carbs off last year and put standard needles and jets in as part of my overhaul re-build. I am struggling to get power after it warms up and am struggling to find where to put the 2 big breather pipes. Could these be related?. Is there an actual place the pipes should go, at the moment they are just hanging down from the T junctions between the carbs.
I have attached a stock pic showing the clear pipes.
Thanks
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Screen Shot 2022-07-26 at 14.50.09.png
Johnnynhl57
 
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Re: Carb Troubles - Where do these pipes go?

Postby hugojose » 27 Jul 2022, 16:22

They go nowwhere, ....routed back, then on each side of the air box and then down aiming to the road..in front of rear wheel. If carbs are flooded,..they may spit fuel, thus make sure fuel won't spill on anything....and nothing hot.,

.....with age they become very hardened and difficult to bend. I replaced mine with a combo of silicone hoses, and fuel hose at the nipples.
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Re: Carb Troubles - Where do these pipes go?

Postby Johnnynhl57 » 27 Jul 2022, 21:14

Thanks very much for the prompt reply!, put my mind at rest on this one!
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Re: Carb Troubles - Where do these pipes go?

Postby Freddy » 01 Aug 2022, 06:16

Regarding the apparent loss of power, unless you made sure you purchased exact genuine replacement jets and needles (either Kawasaki or carb make) and instead installed some generic aftermarket parts, then you have in all probability changed the air/fuel ratio. With a loss of power most likely made the AFR leaner.

If you still have the original jets and needles, reinstall them. They don't really wear out. Not sure regarding a 550, but a 750 had stock different jets and needles between the middle and outer carbies.
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