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2000 With A Stutter

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Old Aug 30, 2010 | 08:11 AM
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Default 2000 With A Stutter

I have a 2000 883 with a 1200 conversion with a hypercharger. Bought it that way. Bike runs good but has a small stutter every now and then. New plugs and runs premium gas. Bike starts right up and runs down the highway great. Only issues it has is on take off. Sometimes it will act like it misses a time or two then goes on...kinda like a plug miss fires once or twice. But yesterday a couple of times on take off it acted like it was starving for gas on take off and stuttered real bad to the point of where I thought it was going to cut off if I didn't go to higher rpms to get it going. It was ok after it got going. Stutter goes away once it gets going. It's really noticeable when engine is hot (running temp) and not cold. Any suggestions? Thanks!
 
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Old Aug 30, 2010 | 08:19 AM
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What did the plugs look like when you pulled them out? Maybe needs larger slow jet or idle is set too low.
 
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Old Aug 30, 2010 | 08:23 AM
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Black and brown, blackish on the electrode and brownish/white on the inside. Not oily or carboned up.
 
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Old Aug 30, 2010 | 11:23 AM
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How dirty is the air filter?
 
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Old Aug 30, 2010 | 01:25 PM
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Should be clean, cleaned it less than 2 weeks ago. I'll double check it again though.
 
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Old Aug 30, 2010 | 03:51 PM
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Sounds like the carb is out of tune to me. Good on top and crap on the bottom. Don't mean to be rude but I'd change the breather and rejet if it were me.
 
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Old Sep 6, 2010 | 05:28 PM
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Well I played with the carb settings some...more like a lot. I've tuned it two different ways from info I've found. Not really a lot of improvement to report. I've had it where it ran great...five minutes later after I've parked it and headed back out, it's back again. I've even held it wide open throttle from a start and it just sputters, to the point of where it almost cuts off. The only time the fine tuning has had an effect is when I turn it in all the way for it to be closed and then it cuts off. I've ridden it from 1 1/2 turns all the way to 4 - 5 open turns. No real changes. I don't know what jets are in it right now. It seems to be worse when I've been riding it a while. It's not a consistent stutter, more like sporatic, especially when hot. I can ride it down the road, crack the throttle and it goes right away and then a couple seconds later, crack the throttle again and it will stutter/pop and then pick up. Same speed, same amount of throttle. Then under a load you can give it throttle and very briefly, like the blink on an eye, it will skip just like you hit the kill switch and turn it back on...like a cylinder misfiring once.

So, if I buy the kit to rejet (if you all think that's it) the carb, should I replace the accelerator pump and top diaphram as well? Do it all while I'm in there or just rejet it? The accelerator pump does squirt a good stream when you turn the throttle.

* I've run nothing but premium gas in it. Started with Sheetz, went to Marathon and now running Shell. The last 3 tank fulls I've added 3 ozs of Seafoam to hopefully help clean the carb out some.
 

Last edited by Vahomboy; Sep 6, 2010 at 05:33 PM. Reason: Added more info
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Old Sep 8, 2010 | 07:02 AM
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You have an eleven year old bike. It's probably time to rebuild the carb. It might be a vacuum leak letting air in due to old gaskets. Just my $0.02. I know I need to rebuild my '00 883/1200+'s carb this winter as I've been getting some stuttering lately.
 
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Old Sep 8, 2010 | 07:29 AM
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Originally Posted by WVHogRider
You have an eleven year old bike. It's probably time to rebuild the carb. It might be a vacuum leak letting air in due to old gaskets. Just my $0.02. I know I need to rebuild my '00 883/1200+'s carb this winter as I've been getting some stuttering lately.
Got everything coming to do this. Hopefully this will be the cure. I will find out. Thanks.
 
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Old Sep 22, 2010 | 11:59 AM
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Got everything in, rebuilt carb and was still having issues. Installed with rebuild a 180 main jet and a 45 slow jet. Couldn't get any adjustment on turning the EZ screw all the way out (4-5 turns). Finally upped to a 48 slow jet and now have a new bike. I will continue to really fine tune it after I return from vacation. Also baffled the exhaust and now have more power with almost the same sound. Torque is now back. Thanks for everyone's input. -Va
 
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