CBR 929 problem: Releases pressure then stalls - Honda Motorcycles - FireBlades.org
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post #1 of 10 Old 09-14-2012, 10:56 PM Thread Starter
 
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CBR 929 problem: Releases pressure then stalls

Lately my bike is been acting up. in short, the bike releases some pressure from around the engine then stalls out when idling.(driving down the highway pressure releases but no stall) one time so far it released a plume of white mist along with a stall. Ive looked around and some on the web say its the stator boiling up the oil and coming out the valve cover gasket. but I go and talk to a few local bike mechanics and they all seem adamantly opposed to the idea that the stator is the issue. Also ive checked it out and the stator does charge the battery if thatd make any difference to ruling it out. Anyone have any insight?
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post #2 of 10 Old 09-14-2012, 11:12 PM
 
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Re: CBR 929 problem: Releases pressure then stalls

It's very hard for me to understand what you mean by releases pressure.
I doubt stator has anything at all to with it.
White smoke usually means internal coolant leak. Head Gasket?
Check the level of your coolant, keep the overflow bottle correctly full.
Check very closely the quality of your oil. Look for water, or foamy and discolored oil. Or if it's to full.
That means water is getting into the oil.
Hopefully it's not that serious...
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post #3 of 10 Old 09-15-2012, 12:15 AM
 
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Re: CBR 929 problem: Releases pressure then stalls

Yeah the Dog is correct. White smoke = coolant issue possible blown gasket. Check coolant level first.

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post #4 of 10 Old 09-15-2012, 1:07 AM
 
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Re: CBR 929 problem: Releases pressure then stalls

Exactly how much white smoke were you noticing here? A little bit is fine at the start of any engine, but if you were noticing more than that as you ride then you could have a coolant leak and could either be a cracked head or blown gasket.

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Last edited by Surteez; 09-15-2012 at 2:03 AM.
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post #5 of 10 Old 09-15-2012, 2:11 AM
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Re: CBR 929 problem: Releases pressure then stalls

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Originally Posted by AngelEmpire1003 View Post
Lately my bike is been acting up. in short, the bike releases some pressure from around the engine then stalls out when idling.(driving down the highway pressure releases but no stall) one time so far it released a plume of white mist along with a stall. Ive looked around and some on the web say its the stator boiling up the oil and coming out the valve cover gasket. but I go and talk to a few local bike mechanics and they all seem adamantly opposed to the idea that the stator is the issue. Also ive checked it out and the stator does charge the battery if thatd make any difference to ruling it out. Anyone have any insight?

Check your oil level.
Check that the radiator is full - ignore the reservoir.

"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder
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post #6 of 10 Old 09-15-2012, 4:20 AM Thread Starter
 
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Re: CBR 929 problem: Releases pressure then stalls

The reservoir level is between the lines, and opened up the radiator and its pretty well full. checked the oil level and it looks full and I didnt see any sort of water or discoloration. What I meant by releases pressure is like itll give out a loud "spit" type noise periodically while riding, at a stop light its followed by a stall. i looked at the valve cover gasket and it looked like the left plug is bulging out a bit, wondering if that might be where the puff of vapor is coming from?

Left Side. http://imageshack.us/photo/my-images/835/img0230pr.jpg/

Right side. http://imageshack.us/photo/my-images/195/img0231kt.jpg/
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post #7 of 10 Old 09-15-2012, 7:39 AM
 
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Re: CBR 929 problem: Releases pressure then stalls

Is it just a single "spit", or multiples at once?

If the bike isn't braking properly, you don't start by rebuilding the engine.
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post #8 of 10 Old 09-15-2012, 2:45 PM
 
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Re: CBR 929 problem: Releases pressure then stalls

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Originally Posted by bladeracer View Post
Check your oil level.
Check that the radiator is full - ignore the reservoir.
I'm sure you have a good reason, but I don't understand.
If the level of coolant in the overflow bottle changes, or goes down over a short period of time, that would help confirm a loss of coolant.
If he ignores the reservoir, and waits till the bike's cool enough to remove the rad cap and look inside the rad, it will always be full - IF the resevior is working properly.
Wouldn't that be misleading?
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post #9 of 10 Old 09-15-2012, 3:12 PM
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Re: CBR 929 problem: Releases pressure then stalls

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Originally Posted by jondog9 View Post
I'm sure you have a good reason, but I don't understand.
If the level of coolant in the overflow bottle changes, or goes down over a short period of time, that would help confirm a loss of coolant.
If he ignores the reservoir, and waits till the bike's cool enough to remove the rad cap and look inside the rad, it will always be full - IF the resevior is working properly.
Wouldn't that be misleading?

The reservoir is not part of the pressurised cooling system so it's irrelevant when trying to determine if the system has air in it. You can remove the reservoir entirely without any problems as long as you keep the engine coolant temperature within the "normal" 85-95C operating window.

"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder
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post #10 of 10 Old 09-16-2012, 6:10 PM
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Re: CBR 929 problem: Releases pressure then stalls

This is a gd sign that your stator is on its way out. If its a puff of oil smelling fumes your getting. Its were the insulation is breaking down on the windings and arcing which ignites the oil fumes. Had it happen to me twice, once with the origanal stator and one that i got rewinded same symtons and the stalling at traffic lights. In the end i got a modded stator and flywheel, no problems since. But i would check your stator by eye even if its charging and if the windings are turning black and insulation crumberling that will most def be your problem.
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