Float height??

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parto
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Float height??

Post by parto »

Can somebody tell me what the float height is for a 1996 ZZR 600

Thankyou
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BrettZZR
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Re: Float height??

Post by BrettZZR »

If I remember correctly, it's 12mm, but there is a line on the outside of the carbs (next to the KeiHin logo) - that is it. Set it with the bike running and use a line from the bowl drain as shown in your new manual*!

(-8

* EDIT: Oh - the one I was busy uploading as mentioned in your other thread - I'll let you know when I get it sorted.
Last edited by BrettZZR on Mon Jun 18, 2012 6:18 pm, edited 1 time in total.
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Gosling1
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Re: Float height??

Post by Gosling1 »

if there is a line on the outside of the float bowl to measure float height that would be really handy....

normally a good rule of thumb with any carbie, is to set the float height so that the float is parallel with the bowl gasket surface when it closes off the needle & seat. Most float heights are normally within a mm or so of this position, no matter what type of carbie you are setting up.

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mick12
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Re: Float height??

Post by mick12 »

i have a shop manual for one of these (and 50 odd others) in my digital collection i will upload when somwone tells me how
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Re: Float height??

Post by Gosling1 »

they can be uploaded if you change the format to .pdf. This uses up the least amount of space. I think there are any number of sites out there already that have manuals loaded up so punters can download them for free ??

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Re: Float height??

Post by mick12 »

they are already in pdf i just need to know how and where to send all the 1's & 0's so they get to the locked manuals thread
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Re: Float height??

Post by bonester »

I thought from memory it was 17mm????
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Re: Float height??

Post by Stuzrx »

BrettZZR wrote: Set it with the bike running........
Thats a new one on me?????? dontknow.gif
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parto
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Re: Float height??

Post by parto »

Just received the manual and it says between 9 and 13mm
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Re: Float height??

Post by IsleofNinja »

Stuzrx wrote:
BrettZZR wrote: Set it with the bike running........
Thats a new one on me?????? dontknow.gif
WHS ^^^ book1.gif
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Re: Float height??

Post by BrettZZR »

Yep - connect a clear tube to the drain, loop it up next to the bowl (my bike has a handy little line cast into the bowl) and then you...
Aw fcuk-it - here's a pic:
Image
The warning in the "NOTE:" paragraph goes away if you do it with the bike running.

(-8
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Re: Float height??

Post by IsleofNinja »

Ok so this appears to be a very good way of checking float levels to isolate a tuning issue without removing the carbs. (Very handy on say a GPZ900r!?)
I noticed at the beginning of the above instruction it is pretty clear re the "ignition off" warning.
Can you elaborate what your reasoning for having the engine running is please ?
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Re: Float height??

Post by BrettZZR »

Yep - wear eye protection and hold small children firmly by the hand! (And not in a Micky J kinda way either!)

(-8

My reasoning is simply that the feeding and stopping feed to the carbs is fiddly and it is possible that you affect the float level - if you raise the tube, fuel will flow back into the bowl (but not back towards the tank) increasing the level inside above what the floats would set to. So by doing it with the engie running you can see it in action - settling to the actual 'in-service' level. I usually lower and raise the tube a bit to mess with the float level, and then watch it settle again - then I know it is working at that level.

I'm probably a bit more anal then I need to be with these things...

Also, my old 550 Four 'SuperSport' (LOL!) would occasionally p!ss pertrol if I turned the tap on and DIDN'T start the bike. But it never happened if I did start it, or after shutting off. Cleaned it all out a couple of times - no change. I figured a little vibration helped the needles to 'seat'.

(-&
parto
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Re: Float height??

Post by parto »

Wow you guys can certainly crap on.
Look at my original post all i wanted to know was the float height???
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Gosling1
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Re: Float height??

Post by Gosling1 »

parto wrote:.....Wow you guys can certainly crap on........Look at my original post all i wanted to know was the float height???......
mate you have only seen 14 replies on one single page ! :lol: :lol:

you'll know if we are really crapping on if the thread runs to 290 posts over 15 pages. Which it could.....

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