Question about 2000 Yamaha YZF-R6

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2000 r6 running rich or flutters at 2500 rpm

2000 r6 idles fine, just above 2500 rpm it goes dead or a kind of flutters after that it is fine
pilot jet 38#
mixture screw 3 turns out
please let me know whats the problem


thanking you
harshacbr929

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  • Anonymous Mar 26, 2014

    it,s a 2001 883 hugger -

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  • 55 Answers

Are your carb sync'ed right?

Posted on Dec 15, 2008

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1 Answer

Pilot screw setting


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
http://www.r6messagenet.com/forums/r6-maintenance-technical/149573-pilot-screw-idle-mixture-screw-whatever-you-call.html
2000 Yamaha YZF R6 Pilot Jet Adjustment
1999 2002 Yamaha YZF R6 Service Manual R6 Moto Data Project
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Aug 29, 2013 | 2000 Yamaha YZF-R6

1 Answer

'99 silverado 5.3 engin will not idle runs at 2500 rpm and drops down to 1000 rpm the back up to 2500 rpm -------------------------


which car is it?

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Driving on the road the RPM goes higher wituout speedind


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Nov 22, 2012 | 2008 Toyota Avalon

1 Answer

2000 chevy express idle is surging after it warms up


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Jun 28, 2012 | Cars & Trucks

1 Answer

I have a 94 yz250 has plenty of power but is spitting oil and after about 20 min of riding goes dead but will crank back up right after. doesnt do it if I ajust the carb to run rich.


Spitting oil indicates that it is running rich. It could be down on compression which will cause it to run rich. The rings don't last forever in these bikes and need to be changed every once in a while to restore proper operation.

I am betting you are turning the air screw to "adjust" it to run rich as you stated. This screw only effects the lower RPM - it is actually a fine tuning screw to adjust the low end - specifically the pilot and needle jet. It has very limited effect on the jetting above maybe 1/2 throttle. The proper way to alter the way the carb acts is to physically change the jets in the carb. The pilot is for lower end performance, the needle is for the lower-mid range and the main is for mid to mostly upper RPM range. The float level also plays into all this.

To attempt to answer your problem - it could be that your spark plug is incapable of firing once it gets overheated. An overly rich mix will prevent it from doing it's job also and can burn a plug out. Try replacing it with a fresh plug and you might want to clean your air filter and check your compression. You should have at least 150PSI. I've seen bikes run with as little as 95PSI but they run poorly and are hard to start.

Good luck!

Oct 22, 2011 | 2003 Yamaha YZ 250

1 Answer

I have a 2000 yzf 600 it has dynojet kit stage1 and d&d exhaust. It idols good, but after 2000 rpm's to 4000 rpm's, it cuts out and kinda flutters. After that it runs great up to 13000...


Get your bike set up on a rolling road (Dyno) this should cure this problem. Whenever you modify the induction or exhaust system on a production Engine system there will be a compromise. Manufacturers set up these systems to be optimised in all conditions, this will mean less power or torque in certain parts of the rev range.

Sep 11, 2011 | 2000 Yamaha YZF-R6

1 Answer

Sputter or back presure 2000 Buell Blast


If starts fine and idles,pilot jets are operating,if bogs under power,check air filter first..no filter to lean...dirty filter to rich.Check fuel filter for unrestricted flow.Have the feul/air mixture screws been turned? Factory is 1 1/2 turns out from bottom

Jul 24, 2009 | 2001 Buell Blast

1 Answer

Will not go above 6000 RPM's


clean the air filter really good along with the air box and clean the carb. clean the pilot and needle jets and check the float. i got to run so this gona be cut short but just check that **** out thats probly it

Feb 01, 2009 | 2000 Yamaha YZF-R6

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