02 r6 custom jet size - Yamaha R6 Forum: YZF-R6 Forums
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post #1 of 15 (permalink) Old 11-16-2012, 04:57 PM Thread Starter
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02 r6 custom jet size

154's 1&4 main 40's slow . 148"s 2&3 35's slow stock pilot screws . 1 shim on needle valves. i am at sea level calif. i also have a cut off exhaust. runs super fast in mid range and full range, im just having a problem with idle ,carbs kind of chug. any suggestion, tps clean and snappy response on throttle. tell me your jet sizes.
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post #2 of 15 (permalink) Old 11-16-2012, 06:08 PM
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Re: 02 r6 custom jet size

Where are the pilot screws set? 2 turns out, 3, ect...

Loads of info on 1st gen settings here:
99-02 guys, post your carb settings/mods/elevation



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Last edited by Shush319; 11-16-2012 at 06:11 PM.
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post #3 of 15 (permalink) Old 11-16-2012, 06:11 PM Thread Starter
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Re: 02 r6 custom jet size

i believe 3.25 on1&4 and 3 on 2&3
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post #4 of 15 (permalink) Old 11-16-2012, 06:13 PM
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Re: 02 r6 custom jet size

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Originally Posted by chaka433 View Post
i believe 3.25 on1&4 and 3 on 2&3
They should all be the same. When was the last time they were sync'ed? Out of sync will make it lope too.



CCS Racer #379

Bikez:
01' Champions Limited R6 (retiring from racing)
88' GSXR 750 (recently restored)
02' R1 (sold)
07' R6r (race project)
04' Zuma 50cc (have to get around in the pits)
01' XR70R (sold)
??' 50cc air cooled pocket bike (dangerous!)
99' CR125R (sold)

Last edited by Shush319; 11-16-2012 at 06:28 PM.
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post #5 of 15 (permalink) Old 11-16-2012, 06:41 PM Thread Starter
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Re: 02 r6 custom jet size

i have my own sync vacuum type they are all pretty close, no loop, only bog at take off.
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post #6 of 15 (permalink) Old 11-16-2012, 06:46 PM Thread Starter
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Re: 02 r6 custom jet size

the only thing im thinking is the # 2 carb pilot screw turns a lot easier than the rest, very loose.
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post #7 of 15 (permalink) Old 11-16-2012, 08:00 PM
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Re: 02 r6 custom jet size

Spring or O ring missing?



CCS Racer #379

Bikez:
01' Champions Limited R6 (retiring from racing)
88' GSXR 750 (recently restored)
02' R1 (sold)
07' R6r (race project)
04' Zuma 50cc (have to get around in the pits)
01' XR70R (sold)
??' 50cc air cooled pocket bike (dangerous!)
99' CR125R (sold)
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post #8 of 15 (permalink) Old 11-16-2012, 08:03 PM Thread Starter
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Bike: 02 r6
Re: 02 r6 custom jet size

spring is there o-ring dont know.
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post #9 of 15 (permalink) Old 11-16-2012, 08:06 PM Thread Starter
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Re: 02 r6 custom jet size

do they have different sizes of screw pilots?
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post #10 of 15 (permalink) Old 11-16-2012, 08:10 PM
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Re: 02 r6 custom jet size

Quote:
Originally Posted by chaka433 View Post
do they have different sizes of screw pilots?
No, screws are all the same. Pilots jets too. I never got mine super smooth until I went with next size up pilot jets.



CCS Racer #379

Bikez:
01' Champions Limited R6 (retiring from racing)
88' GSXR 750 (recently restored)
02' R1 (sold)
07' R6r (race project)
04' Zuma 50cc (have to get around in the pits)
01' XR70R (sold)
??' 50cc air cooled pocket bike (dangerous!)
99' CR125R (sold)
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