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Old 08-31-2008, 12:08 AM   #1
camaroz2866
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technical question regarding busa motor

i have a 2 part question. so when i clean my bmc filter every other month or so i like to take the intake box off and wipe down the throttle boddies and this time i decided to look at my valves, and i noticed that there all spotless, like u could eat off of them except the one to the far left(the side of the motor with the stator)

what would cause this? when i bump the motor over a full revolution slowly it aprears to be opening and closing just fine.

question 2 is that the intake valve or exhaust, i couldnt quite judge.

thanks in advance

this is on a 03 busa
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Old 08-31-2008, 02:01 AM   #2
Romeo36
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well if your looking at em through the intake manifolds than they are the intake

has the bike ever been laid over
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Old 08-31-2008, 04:41 AM   #3
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never
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Old 08-31-2008, 05:20 AM   #4
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also just looked really hard at the rest again and the one on the opposit end, all the way on the rt has a little, 2 small pieces of build up, ive set the valve up so were they hold fluid and the surfaces are soaking in cleaner going to let them soak for a few hours and then start it up and see if it blows off, but i would still like to figure out why its built up really bad on the far left and has a few specs of build up on the far right and the rest are literaly spotless like they look brand new from my view, and i know there not as ive owned the bike for 18k and its got 25 almost 26k on it
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Old 08-31-2008, 07:21 AM   #5
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case venting system goes to that side of the airbox. the closest cylinder is likely to pull in the vapors first.
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Old 08-31-2008, 08:23 AM   #6
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If your not having any issues with the bike running I would not worry about it.

like grand pappy says "drive it till it breaks" and "if it ain't broke, don't fix it"
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Old 08-31-2008, 08:34 AM   #7
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i know but i like it to be clean, i know the extra milli ounces or whatever the carbon build up cant help the valve movement or help it seal any. thanks for the advice guys!!
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Old 08-31-2008, 01:40 PM   #8
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Jake,
What the are you doing up at midnight thinking about your intake valves!

Quote:
Originally Posted by CaligoneTx View Post
case venting system goes to that side of the airbox. the closest cylinder is likely to pull in the vapors first.
That's most of the reason.
The little bit of residue on the valve has no ill affect at all. No reason to worry.
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Old 08-31-2008, 08:11 PM   #9
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lol i got bored and decided to clean the filter and take a look at the valves, i ended up getting the 2 dirty ones spotless, im going to check them in a thousand miles or so and see if there dirty again, i did notice when i when for a ride today that it does not pop much at all anymore(from exhaust) and filter wasnt diry at all really, i did clean up the small air box mods that were done previously, idk which of the things i did fixed the poping.... it was a decell pop so im puzzled about that now


thanks for the knowlege makes me feel better
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