Tune/carb clean

hey all
Im just wondering how to clean and tune the carbs in the ol zzr
Hopefully its gonna get reg soon and i wanna get it goin abit more ready
its idling rough varying upto 500 rm lol
so yeah
im thinking clean carbs and tune them (synch?)
its got a single pipe so i think its runnin abit rich so a freer needle might jsut be the go

so yeah any1 got any ideas on how to do that? i just need to be pointed in the right direction koz atm im just looking at my wallet and thinking brighton kawa..... it makes me cry

....its idling rough varying upto 500 rpm.....

Yep, thats a carbie synch needed if ever I heard one....you need vacumn gauges or mercury balance-tubes in order to balance the carbies yourself..... (there is another, much cheaper way to do this, but most people turn their nose up when I mention piano wire.... )

If you *really* want to clean the carbs yourself, you need an air-duster to blow all the internal carbie orifices clean , after giving them a liberal spray with Clean'R'Carb ......

A single pipe ? If its a better-breathing system than stock, it will make your jetting 'leaner', all things being equal. Raising the needles will richen the mixture between 1/4 and 3/4 throttle.......you may need to go up a size or 2 in main jets as well....

Knock yourself out mate.......its heaps of fun doing your own maintenance...

ye ive learned heaps
i jsut want it to idle steady, pick up the front with power (2 inch dont count) and get abit more responsivness

when i get abit of cash together im gonna go -1 front koz i need a new chain anyway
but im seriously lacking power

i dunno if its better or not
but i kno the zzr comes with 2 exhausts n i got one and its carbon fibre lol
and the inside is all mesh with no visible baffles so it makes me think its a resonator lol
also i think its runnin abit rich koz im gettin shitty fuel economy....

Yep, thats a carbie synch needed if ever I heard one....you need vacumn gauges or mercury balance-tubes in order to balance the carbies yourself..... (there is another, much cheaper way to do this, but most people turn their nose up when I mention piano wire.... )

Mate do tell!

+2 at the back is better than -1 at the front, the chain will last a bit longer as the turning circle isn't as harsh as when you go -1 at the front.

... (there is another, much cheaper way to do this, but most people turn their nose up when I mention piano wire.... )...

I thought the bigger problem was the School of Music getting the shits every time you turn up and lift the cover on the Steinway with a pair of side cutters in your hand

.......I thought the bigger problem was the School of Music getting the shits every time you turn up and lift the cover on the Steinway with a pair of side cutters in your hand

Lookout !! He's on fire !!! PMSL !!!

...Mate do tell! ...

Its a really old method, its not as good as a mercury-tube balance (the best), but it is *almost* as good as using vacumn guages......

using a short piece of piano wire (say about 1mm dia) - not sure what key or note it is - this method only works on normal slide carbs, not CV's......and this is done with engine *OFF* !!

* Wind the idle screw up
*Slide the piano wire into the carby bore, so it goes below and past the slide
* Slowly wind the idle down, at the same time move the piano wire back and forth just a bit (maybe 5mm)
* When the slide touches the piano wire, stop winding the idle down - What you are trying to do is get the slide to *just* catch the piano wire and stop it from sliding back and forth
* Repeat for other cylinder/s

This method will simply get all the slides lifting from almost *exactly* the same idle point, its not *perfect*, but it will sure improve an idle that is fluctuating by 500rpm !!

Now you young whippersnappers, have I told you how to time a bike by using cigarette paper ?? ........yadda yadda......blah blah.......wet fart...... OH thats right these new-fangled siccles have ee-Lek-trahnic ignition eh ??.......

Old school workshop tactics Got to love it Gos




Side carbs........ buggar not injected

Gos does this method require the removal of the carbies or not?
i had a bad experience on my gpz aand since then i dread carbs lol

also any other painostring method of cleaning them up like scraping the inside iwth a piano string lol

.....does this method require the removal of the carbies or not?
i had a bad experience on my gpz aand since then i dread carbs lol.....

No, but it does require removal of the airbox and rubber boots behind the carbies, so you can get the wire into the carbie intakes.....

Nothing beats a proper balance with mercury tubes, this is *the* most accurate way of balancing carbs or injection...

not just mercury Gos, theres other measuring gadgets like the sliding rod guages

indeed......

sliding-rod Guage Method #2 only recommended for *older* bikes with slide carbs....

I have always found singles to be the easiest bikes to balance......

Nothing beats a proper balance with mercury tubes, this is *the* most accurate way of balancing carbs or injection...

I reckon my 2 m tall U column filled with ATF fluid will beat it. It's much bigger, but that's what gives it accuracy (I've also pinched the tubes to get the average pressure rather than a rapily fluctuating one).