Carb balancing Yamaha fazer 600 2003

[Neilr]

Hi,

I’m trying to balance my carbs on my Yamaha fazer 600 2003 model. I’ve managed to get 1,3,4 to be roughly within range of each other, however no matter what I do I cannot seem to adjust number 2. It appears static at around number 5 but will rise with increase of revs.

Any and all advice is welcome.

[Nobby the Bastard]

That looks more like the gauge needle needs damping. Usually theres a valve on each gauge that you can adjust to do it.
____________________
trevor saxe-coburg-gotha:"Remember this simple rule - scooters are for men who like to feel the breeze on their huge, flapping cunt lips."
Triumph Sprint ST 1050

[Neilr]

Hi

Thanks for your reply,unfortunately number 2 gauge is as fine tuned as it will go without serious fluctuations. I can adjust number 1 up and down but 2 will remain at around number 5 on the gauge?

Any suggestion?

Cheers

[steve the grease]

https://itstillruns.com/erratic-fluctuation-vacuum-gauge-during-idle-12227649.html

"A vacuum gauge needle that vibrates rapidly at idle and then seems to smooth out with rpm can indicate bad valve guides or a bad cam lobe"

This guy is suggesting some problem with the valves
on number 2
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All the above is my personal opinion, you can see my lips move, but I'm talking out of my arse.
I've been riding, and fixing , bikes for 50 years, in that time the more I learn, the less I am absolutely sure of.....

[Islander]

[Pete.]

[Pete.]

[Nobby the Bastard]

So I get some good karma for the cock and ball torture gag and not this?

:actually that is quite funny.


Anyway I can see worn guides potentially causing this because the valve could be wobbling from side to side but not the cam.
____________________
trevor saxe-coburg-gotha:"Remember this simple rule - scooters are for men who like to feel the breeze on their huge, flapping cunt lips."
Triumph Sprint ST 1050