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2011 CRF450 hesitation

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Anyone have or heard of this issue? I've put about 2.5hrs on my 2011crf450. runs not bad while turning laps. Pops a bit on

deceleration which doesn't concern me but on the stand when you blip the throttle, it hesitates like a

non fuel injected bike would that needs jetting! Even stalls sometimes!

Even when entering a corner and the revs come way down, then you get on the gas to exit and it hesitates!

What gives?

Razzy43.

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its called flame out. its pulling too much fuel and not enough ignition timing on the bottom throttle positions and rpm's. get your tuner out and take some fuel out and add a little ignition timing and u should be good.

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its called flame out. its pulling too much fuel and not enough ignition timing on the bottom throttle positions and rpm's. get your tuner out and take some fuel out and add a little ignition timing and u should be good.

Youre right...but

What if he doesn't have a tuner? :thumbsup:

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But why would it do that right out of the box? Thought of something else, I alway's take out the air filter screen. to allow better air flow. Think it is too much? I did it on my 09' without any problem.

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I and a friend of mine have the same problem with our 11's. We actually had our bikes remapped by a very reputable person and it still cuts out when u wack the throttle from idle. No names, I want to give him a chance to fine tune it because I know he can. Your not alone.

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jleonard.............so you're saying even if I do what was suggested above "its called flame out. its pulling too much fuel and not enough ignition timing on the bottom throttle positions and rpm's. get your tuner out and take some fuel out and add a little ignition timing and u should be good."

That wont work?

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No, I didnt say it wont work. All I stated is that I have the same problem even after remap. If my guy goes back in and does what you are saying, i.e. leaning it out and adding ign. that would most likely take care of it as stated above.

These bikes run extremely rich from the factory, thats why they do it. (thats what I was told)

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ok sorry. just wanted to clearify. I'm hoping that will fix the prob. I'll post here if it does.

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FYI, I personally dont trust my dealer to know what the hell they are doing when it comes to this and pretty much everything. Unless they have an exhisting map from Honda to correct the issue. I would try Eddie Sisneros, he seems to know what he is doing with these Hondas. I didnt send mine to him because I went with a local guy who is a mechanic to a couple of pro riders here. If my guy cant fix it, I will be sending it to Eddie.

He is on Thumpertalk. Good luck and let us know how you make out.

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I thought that was just a normal thing for the bike to do this. It never did it to me while actually riding.

To be honest I think there is a lot of exaggeration on this bike. I love mine and wouldnt trade it for any other. The clutch feels good to me, motor feels great etc

I am waiting for my exhaust to get here, than I was planning on sending the ECU out to Eddie. Ill let you guys know if it that rev issue goes away.

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Just because its fuel injected doesn't mean you cant kill the thing by wackin the throttle clear open from an idle in 50 microseconds.

What happens when you wack the throttle like that with the RPM's up just off idle? I bet the Rev-limiter is the very next stop...

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As stated above, most new FI bikes come mapped extremely rich from the factory. As a shop owner/engine builder here in az, I'm constatntly mapping the flame out out of new bikes. But ,if you hit the gas fast enough from idle,it will bog sometimes. Especially with hondas low pressure FI system. Get a tuner, get familiar with it and start playing with your mapping. The only way to find that perfect map for you and your bike is trial and error so don't be afraid to get crazy with it.

Best of luck,

Dave

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I thought that was just a normal thing for the bike to do this. It never did it to me while actually riding.

To be honest I think there is a lot of exaggeration on this bike. I love mine and wouldnt trade it for any other. The clutch feels good to me, motor feels great etc

I am waiting for my exhaust to get here, than I was planning on sending the ECU out to Eddie. Ill let you guys know if it that rev issue goes away.

There is alot of exaggeration as far as the clutch, suspension etc. For the average person, the mapping is fine. For those who take it just a step further, we get a little picky about how our bikes run and handle. I wouldnt trade mine for another either. My motivation is just to wake it up a little. Like my buddy Brian says "after riding a friends Kawi, it feels like a turd. I say it feels smooth. These bikes could run like total dog sh!$ out of the box. Most of us still could not milk all the power out of them.

Great bike but like every other bike out there, needs to be tweaked to your liking.

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There is a mod to the throttle body that eliminates the hesitation, I rode my friends before and after and the difference is very noticable.

Along with some mapping afterwards, the thing rips.

Pro Circ and Blonix in San Jose both have the mods wired.

Check it out

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bike is designed to have a load. If your blipping the throttle on the stand it doesn't mean anything if it hesitates on the stand.

But, regarding while you are riding. Try turning your idle up slightly. Mine will bog a bit as well if its not at full running temperature. It became more noticeable when I put a slip on exhaust with a spark arrestor. Once the bike is at full running temperature the bog isn't nearly as noticeable.

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Had the same issue with mine, and noticed it only seemed to do it when the bike was on the stand and the motor was cold. I was told by Honda of Houston NOT to blip the throttle while the motor was cold. They said to start it using the cold start on the throttle body, and to give it a minute for the rings to warm up and seal. The also said hitting the throttle while the bike was on the stand and the motor was cold was allowing fuel to get past the rings and into the crank which was what was causing the hesitation and the motor to bog and/or die.

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Also, I am not sure this issue can be tuned out, once the motor is warm, I can rev that thing to the moon all day on the stand

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