02 r6 custom jet size : Yamaha R6 : R6 Forum

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Old 11-16-2012, 04:57 PM   #1
chaka433
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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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Old 11-16-2012, 06:08 PM   #2
Shush319
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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:
http://www.r6-forum.com/forums/showt...+carb+settings
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Last edited by Shush319; 11-16-2012 at 06:11 PM.
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Old 11-16-2012, 06:11 PM   #3
chaka433
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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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Old 11-16-2012, 06:13 PM   #4
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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.
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Last edited by Shush319; 11-16-2012 at 06:28 PM.
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Old 11-16-2012, 06:41 PM   #5
chaka433
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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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Old 11-16-2012, 06:46 PM   #6
chaka433
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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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Old 11-16-2012, 08:00 PM   #7
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Re: 02 r6 custom jet size

Spring or O ring missing?
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Old 11-16-2012, 08:03 PM   #8
chaka433
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Re: 02 r6 custom jet size

spring is there o-ring dont know.
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Old 11-16-2012, 08:06 PM   #9
chaka433
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Re: 02 r6 custom jet size

do they have different sizes of screw pilots?
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Old 11-16-2012, 08:10 PM   #10
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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.
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