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How do I measure my floats?

  • Thread starter Thread starter RogueZuki
  • Start date Start date
R

RogueZuki

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I need to find out how to measure my floats. I know I need to and I can find the specification that's for my bike but I'm not sure how to go about doing it. Do I need to go and buy myself a caliper? I haven't seen any tutorial or anything like that.

I'm thinking I need to adjust my floats because after I cleaned my carbs and put on new o-rings, fuel still comes out of my carbs when I put it on prime. I've attached a little pic of where the fuel is coming out.

The fuel is coming out on the back side of the carbs where it connects to the airbox. It's coming out of the hole opposite the air screw.


attachment.php
 
Thanks BassCliff. I had done some searching on here and google but my search terms must not have been spot on.
 
RogueZuki said:
Do I need to go and buy myself a caliper?
Click to expand...
No, any "good" measuring ruler will work just fine.

if you find the floats to be in spec and it's leaking fuel, I would replace all the needle and seats.
 
thanks rusty. now i just have to find time during finals week.... :(
 
No, any "good" measuring ruler will work just fine.
Click to expand...

For those of us with poor vision, a calipers is easier to use. I tried setting mine with a machinest rule and had a hard time reading the scale.
 
In my best Han Solo impersonation....

"Who's scruffy lookin'?"
hanleia.jpg



Thank you for your indulgence,

BassCliff
 
i bought a plastic 1.99 caliper from harbor freight and taped it in the spot i needed
 
I had the exact same problem with mine leaking out of the same spot on the carbs. What fixed it for me was putting in a shut-off in the fuel line because i think the petcock was still letting fuel into the carbs when the bike sat.
 
i dont go to that guys website with the info because i heard there is a bunch of hidden charges and fees that apply, like 900 numbers
 
ok, i've checked everything out at the website and referenced the thread here. My float heights are supposed to be 23mm +- 1mm. That's good to know and all that but what part of the carb am I placing the bottom of the caliper on? Does it rest on the lip of the inner bowl where the gasket would go? I'm kind of lost as to what the reference point is.
 
Thanks BassCliff. I thought that might be the reference point but couldn't be positive. I've checked the heights and one of the floats was ~ 1mm shorter than spec. Odd because it's not the carb that I'm having issue with. The carb that's been leaking fuel was pretty much within spec. I've checked the needle valves and they don't seem to have as much spring to them as I would imagine. Would you recommend me purchasing new needle valves to see if that keeps my one carb from leaking?
 
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