Clean carbs, won't start. Help!?!?!?! - Kawasaki Motorcycle Forums
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post #1 of 15 (permalink) Old 04-07-2017, 08:05 PM Thread Starter
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Clean carbs, won't start. Help!?!?!?!

hey everyone, I had this posted on another thread but was suggested to start a new one with a title asking for information to maybe get more visibility.

So here's my story. I have a 1985 Kawasaki zn1100 B2 Shaft that isn't starting. I've pulled the carbs and replaced the primary jets as well as giving it a thorough cleaning. I soaked everything in carb cleaner overnight and then blew it out with air.

I had taken it for a short ride about a week ago. Everything seemed fine until i stopped and got off for a second. It wouldn't go into gear without dying. After persistently continuing to try, it finally went into gear but was puttering like a scooter. After trying to ride for maybe a quarter mile, it picked up and all was good. However, when I parked it, I tried to start it the next day and nothing. It cranks but it won't turn over. I pulled the carb and re cleaned it as before just to make sure all was well. Still no dice. There is gas in the float bowls and it fires with carb cleaner being sprayed into the carbs via the air intake boots.

Any suggestions on where to go from here? I'm kind of at a loss of where else to look. Supposed to be 65 and sunny tomorrow. Hoping someone can get me on the road ASAP!!!

1985 ZN1100 B2 Shaft
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post #2 of 15 (permalink) Old 04-07-2017, 08:14 PM
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Did u do the clear tube test on the carbs

Jimmy
1979 kz1000 ltd
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post #3 of 15 (permalink) Old 04-07-2017, 08:48 PM
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Carb cleaner is tough on anything rubber. When you use it to clean a carb make sure all of it is removed before reinstalling any rubber parts and spraying carb cleaner into the carbs after installing is not a good idea. You said you replaced the jets. Stock size?

1985 Kawasaki ZN700 Shaft, 4cyl
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post #4 of 15 (permalink) Old 04-07-2017, 09:43 PM Thread Starter
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Did u do the clear tube test on the carbs

Jimmy
1979 kz1000 ltd

What is the clear tube test? Never heard of that before...

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post #5 of 15 (permalink) Old 04-07-2017, 09:44 PM Thread Starter
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Carb cleaner is tough on anything rubber. When you use it to clean a carb make sure all of it is removed before reinstalling any rubber parts and spraying carb cleaner into the carbs after installing is not a good idea. You said you replaced the jets. Stock size?
Yes I definitely made sure it was all cleaned off before I re assembled and I never sprayed carb clean in after it was installed. I also used stock jet size. 37.5 If memory serves me right.

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post #6 of 15 (permalink) Old 04-07-2017, 09:47 PM
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What is the clear tube test? Never heard of that before...
U connect a clear fuel grade hose to the bottom of the carb bowl, where the drain screw is, and hold it up beside the carb. It will show the actual fuel level in the carb.

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post #7 of 15 (permalink) Old 04-07-2017, 09:56 PM
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Heres a link with a better description and pics.

http://forums.sohc4.net/index.php?topic=149299.0

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post #8 of 15 (permalink) Old 04-07-2017, 10:23 PM Thread Starter
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U connect a clear fuel grade hose to the bottom of the carb bowl, where the drain screw is, and hold it up beside the carb. It will show the actual fuel level in the carb.

Jimmy
1979 kz1000 ltd
I'll definitely have to do that tomorrow. Where should the fuel level be at? Half full? All the way full? and if it's not where it's supposed to be, is that a float height issue?

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post #9 of 15 (permalink) Old 04-07-2017, 10:42 PM
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It should be about 3- 4 mm below the float bowl mating surface.

Jimmy
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post #10 of 15 (permalink) Old 04-07-2017, 10:45 PM
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For us in america, thats about 1/8 of an inch

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