KZR's Bikes of the Month for 2024

KZ650. Carb #3 spitting fuel out. Wont start

  • BlackEyeCafe
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30 Aug 2022 16:05 #873114 by BlackEyeCafe
Replied by BlackEyeCafe on topic KZ650. Carb #3 spitting fuel out. Wont start
Hey Scirocco 
I don’t trust it either. Would have any thoughts as to what sizes to order?

Kawasaki wants $10 per shim and a kit from Hot Cams is roughly the same money, $80-$100 but doesn’t have 4x2.40 shims. 

This Covid nonsense is really messing with my bike

 

1977 KZ650 C
Jets - Main 115 - Pilot 17.5 - Needles - Position 3 - NGK BR7ES

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  • Scirocco
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30 Aug 2022 16:50 #873115 by Scirocco
Replied by Scirocco on topic KZ650. Carb #3 spitting fuel out. Wont start
Your local Kawasaki dealer or bike shop should have what you need. Give it a try.....

My Würth set of shims, steal deal on ebay (80 Euros).

 

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30 Aug 2022 19:49 #873122 by BlackEyeCafe
Replied by BlackEyeCafe on topic KZ650. Carb #3 spitting fuel out. Wont start
I have called 6 different Kawasaki dealerships and none of them have shims in stock.  I will need to search eBay. 

 

1977 KZ650 C
Jets - Main 115 - Pilot 17.5 - Needles - Position 3 - NGK BR7ES

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26 Sep 2022 14:15 #874630 by BlackEyeCafe
Replied by BlackEyeCafe on topic KZ650. Carb #3 spitting fuel out. Wont start
Okay so I got my shims in a few days ago after waiting almost 4 weeks.  I have replaced the ones I needed to as per the math on my service manual.

Results:
1 - .127
2 - .152
3 - .152
4 - .178
5 - .178
6 - .178
7 - .203
8 - .127

I realize that 7 is a bit high but I’m not sure it’s worth tearing down the motor again.
Thoughts?

Thanks

1977 KZ650 C
Jets - Main 115 - Pilot 17.5 - Needles - Position 3 - NGK BR7ES

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  • Scirocco
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26 Sep 2022 15:19 - 26 Sep 2022 15:21 #874637 by Scirocco
Replied by Scirocco on topic KZ650. Carb #3 spitting fuel out. Wont start
It´s ok to be 3/100 mm on the high side. The engine milage will cure the valve gap.
It´s more important to write up the valve lash and shim thickness for later valve adjustments!
Last edit: 26 Sep 2022 15:21 by Scirocco.

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26 Sep 2022 15:27 #874638 by BlackEyeCafe
Replied by BlackEyeCafe on topic KZ650. Carb #3 spitting fuel out. Wont start
Awesome. Time to put everything back together and get her started. 

Thanks everyone 

1977 KZ650 C
Jets - Main 115 - Pilot 17.5 - Needles - Position 3 - NGK BR7ES

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