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VM28 float level
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VM28 float level 26 Mar 2024 08:41 #896903

  • sf4t7
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OK so here's my dumb question for the day:  Checking float level with the clear tube, is it 1/8" down from the float bowl gasket surface or from the lip at the bottom of the carb body?  Illustration in the FSM looks like it's from the bottom edge of the lip.  
Scotty

1974 Z1A
1015
welded Z1 crank
Andrews 1X Cams
Delkevic 4 into 1

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VM28 float level 26 Mar 2024 08:59 #896905

  • Warren3200gt
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The mating surface of the bowl and body. 2-4mm. So aim for 3mm.

Z1000J2 somewhat modified!

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VM28 float level 26 Mar 2024 10:11 #896909

  • Nessism
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The datum is the bottom edge of the carb body.  

 
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Last edit: by Nessism.

VM28 float level 26 Mar 2024 11:49 #896911

  • Rolf1976_KZ900
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here is fuel level on my kz900 just using a plastic tube screwed in the drainplughole.
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VM28 float level 26 Mar 2024 12:17 #896917

  • Rolf1976_KZ900
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if curius on what the float height is i did this test .It is a very good test to check if the float valve leaks and at what height the floatvalve opens.My carbs had a height at 25mm at 25,5mm they leak.
Here is a link to the test i use  from themotorcyclemd .




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Last edit: by Rolf1976_KZ900.

VM28 float level 26 Mar 2024 14:14 #896921

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ups i forgot that i have carbs for kz1000 on my bike but they are vm28 I think ? i will check again in a earlier tread .
Okay update i have vm26 carbs.

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Last edit: by Rolf1976_KZ900.

VM28 float level 26 Mar 2024 15:09 #896927

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Thanks Ed.  I couldn't decide if the FSM was referring to the bottom of the body or the top edge of the float bowl.  And then I started overthinking it...   
Scotty

1974 Z1A
1015
welded Z1 crank
Andrews 1X Cams
Delkevic 4 into 1

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VM28 float level 26 Mar 2024 17:47 #896937

  • slmjim+Z1BEBE
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The datum is the bottom edge of the carb body.  

 
 
What manual is that illustration from?

The Z1 'White' FSM reads "About 1/8" " there.  The ambiguous "About" always drove slmjim nuts.  Still does.

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slmjim & Z1BEBE
 
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VM28 float level 27 Mar 2024 17:30 #896985

  • Cra-z1
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I always set it just to the top of the split washer on the bowl screw.
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Last edit: by Cra-z1.
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