To tune carb:
1. Adjust idle screw (head outside one) clockwise until RPM like 2500-3000. Engine must warm up already.
2. Adjust air-fuel screw (head terbenam inside one) clockwise until tutup habis. Bike will want to mati engine... if mati, nevermind.
3. Open air-fuel screw counter clockwise for 1 round. If engine mati just now, start again.
4. Let engine run with this setting for 5-10 seconds, or until the RPM steady. Don't kacau throttle.
5. Turn the air-fuel screw counter clockwise by 1/4 of a turn, and wait until RPM steady. Don't kacau throttle.
6. Repeat this until you turn the air-fuel screw and the RPM don't change, then close back the air-fuel screw clockwise by 1/8 of a turn. If not, it will be too lean and then the off-idle will suck.
7. Last step, go back to the idle screw, turn counter clockwise, until RPM turun to 1.3~1.5k. Play the throttle by tap it open-close a bit (about 1/8 throttle) fast fast, see the RPM can follow or not. If cannot, close the air-fuel screw clockwise bit by bit (again, bit by bit, very sensitive one) repeat this until you syiok with the play throttle feeling.

If good setting, morning will harder to start if use no choke. But, LC got smart CDI that can help warm up engine one, so this may not be the case. Good luck, and remember to share experience here.

A few hints, if you experience with you bike. In my case, I can hear exhaust sound different when adjusting the air-fuel screw 'bit by bit'. It is really sensitive.

Are_keem

U using stock engine or ???

good info ! now i can usik liao.. XD

still stock. no time to maintain if mod one.. but FZ block set + 26mm carb did crossed my mind before
the 1st time stock setting kena kacau wan (by foreman who service my ride for the 1st time), I felt very different. maybe he lowered bike's timing. and even I kacau the setting a lil bit, for sure can felt difference (not sure, maybe psychologically only )

still stock. no time to maintain if mod one.. but FZ block set + 26mm carb did crossed my mind before
the 1st time stock setting kena kacau wan (by foreman who service my ride for the 1st time), I felt very different. maybe he lowered bike's timing. and even I kacau the setting a lil bit, for sure can felt difference (not sure, maybe psychologically only )

U all not yet sleep ah ??

almost 3am already....~~ZZzzzzz

i not sleep bcos working night shift until 8am..ZZzzz

i just now 2am just came back from temple ar.. now 1 hr only.. still watching my k-drama.. LOL

temple ? so late liao temple also got activities ?
k-drama hardcore kaki........
last time i also Jap drama hardcore kaki.... 4 dvd drama series 1 day finish...

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Added on August 27, 2011, 3:00 am0163119779 you say want to show your ride ??
mana pic ?

talk about things for tomoro wan Ghost Festival event celebration [por thor] in hokkien.. hope u understand..  

U all not yet sleep ah ??

almost 3am already....~~ZZzzzzz

i not sleep bcos working night shift until 8am..ZZzzz

earlier i kacau a bit.. mayb the feeling is like u said.. psychologically only.. haha.. i feel my bike easier get 70km/h++ ... LOL

26mm carb ?? racing one or yamaha one ?

now always sleep late wan. after dawn sleep again.. today break record, sleep for less than an hour last nite, and sleep again after sahur. then woke up at 1.15, luckily didn't miss jumaat prayer
but I think stock setting is quite high la. that's why that foreman de-tuned a lil bit the timing
maybe RXZ one, since many of my friends used that.

maybe bcos of raya ..... 

RXZ.. how much for new one ?