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Kz400b carb balancing 30 Oct 2023 06:46 #891111

  • oldblighty
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Went to balance the carbs on the kz400 and immediately guages reading late valve timing is this normal for these type of carbs .

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Kz400b carb balancing 30 Oct 2023 07:55 #891115

  • Nessism
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What is "late valve timing", and why/how is a vacuum gauge providing this information while syncing?  

And needless to say, the valve clearances and carb function needs to be otherwise correct before performing a sync.  Sync is the last step in the process.

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Last edit: by Nessism.

Kz400b carb balancing 30 Oct 2023 15:11 #891135

  • oldblighty
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Hi 
its just the red section on these gauges that indicates late valve timing just wondering if anyone has used these gauges and had the same result.
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Kz400b carb balancing 30 Oct 2023 15:27 #891137

  • Wookie58
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What is "late valve timing", and why/how is a vacuum gauge providing this information while syncing?  

And needless to say, the valve clearances and carb function needs to be otherwise correct before performing a sync.  Sync is the last step in the process.
It looks like it is listing multiple possible reasons for a low vacum reading (but not all of them)?
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Last edit: by Wookie58.
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