carbtune Pro 2.no it didn't jump around. I remember when I rigged this up one carb was well out of sync. its like a graphic equaliser .I turned adjustment screw in the middle of carbs till there was equal amounts in each tube and the fluid levels in the tubes stayed level.
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Float height and other adjustments
- Thread starter arm
- Start date
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- Tags
- carb tuning xs400 1978
GuyS
XS400 Addict
I just watched a video of a British guy in Japan. Looks like a great tool. Gave me a bit of advice too. Did you install the smaller clear orifice short tubes inline the rubber tubes? That’s used to damper the oscillations
Also looks like the fluid is mercury. I used ATF
Also looks like the fluid is mercury. I used ATF
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yes its Mercury. I used the tubes. where are you based
sorry its not mercury. its light rods inside the glass .I remember I had to take them out and clean them.yes its Mercury. I used the tubes. where are you based
GuyS
XS400 Addict
I’m from Canada, the west coast, (BC). Light rods instead of mercury. That would make the Carbtube Pro pretty sensitive, not requiring full potential vacuum to show differences in pressure of the two carbs. I might try mine again (I think if I add more ATF so theres less air to suck up and maybe even add a restrictor, it might just do the job. The way it is I think it got me quite close. The other thing I’ve read is don’t go crazy expecting to get the carbs perfect.
if you were in the uk I would have posted them to you and u could post them bk.done it before
I don't think ud get them 100% but ad good as.GuyS
XS400 Addict
Thanks kebabs. It’ll be another. month or two before I roll her out of the garage. Where I live we don’t get snow very often. None so far this year. I see guys on their bikes frequently. I’m a warm weather rider.
haha.i have 3 bikes none of them see rain or snow .summer use only
