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2004 636 wont rev past 12000 rpm's - Printable Version

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+--- Thread: 2004 636 wont rev past 12000 rpm's (/showthread.php?tid=8085)

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2004 636 wont rev past 12000 rpm's - ADBZ Matt - 11-03-2009

Oh yeah, and i have just offically made the switch over to stunt ride from SL...

OK here is my problem: (copy/Paste from SL)

Took the filter completely out thinking that it may be a clogged filter...

Changed my Clean air mod tube (was a bit flimsy, and thought maybe it was vacuuming closed)

Checked for air leaks all over the engine, and found nothing...

Have swapped fule to make sure it wasnt bad gas, and I ran fule systemes cleaner through the bike several times....

It pulls good on idle... It is hitting on all 4 cylinders, but for some reason its acting like 12000 RPMs is redline, and wont go over it???

The bike has 5000 original miles on it, and I recently changed the oil... I have no clue what it could be...

Oh yeah, and i changed the plugs about 5 months ago...


It will clutch up sit downs, and ss, but no tank stuff... it just bogs and fails!

Any help or ideas would be greatly appreciated.... Also the FI light is not on???

Quote:
Originally Posted by MikeM
does the rev limiter come on or it just wont go that high?

It sounds just the same as bouncing off the rev limiter, if its in neutral, and I just grab a hanfull of throttle it will go right past 12000 rmps, and straight to the rev limiter, but if in gear and trying to roll endos, or in a wheelie or just trying to get it to go past 12 grand... it wont do it...

Also if i put it in neutral and roll it up slowly, it wont go past 12000...

I am confused.... will spark plugs cause this if they are going bad? they are not that old, but i did loop an endo... but i have the clean air mod... so that shouldnt matter... I always thought spark plugs were either good or bad... will they not spark past a certain RPM if going bad???

Thannks in advance


2004 636 wont rev past 12000 rpm's - MVSBrendon - 11-03-2009

Did you check all the connections at the throttle bodies? Is there a fuel filter/screen that could be clogged?


2004 636 wont rev past 12000 rpm's - ADBZ Matt - 11-03-2009

Nope, but i will check it... any other ideas?


2004 636 wont rev past 12000 rpm's - ADBZ Matt - 11-03-2009

Anyone else got any ideas?


2004 636 wont rev past 12000 rpm's - MVSBrendon - 11-03-2009


Quote Originally Posted by AdrenalineBoyz
View Post
Can you be more specific as to what this screen looks like and where i might find it?

http://www.zxforums.com/forums/zx-6r...el-filter.html


2004 636 wont rev past 12000 rpm's - MVSBrendon - 11-03-2009

Should be the same on our year bikes....


2004 636 wont rev past 12000 rpm's - ADBZ Matt - 11-03-2009

I have another fuel pump I could try if need be...


2004 636 wont rev past 12000 rpm's - MVSBrendon - 11-03-2009

Just sounds like a fuel starvation problem....


2004 636 wont rev past 12000 rpm's - old man roger - 11-03-2009

5 months ago when you put plugs in it did you get the iridium plugs or the cheap ones ? if you got the cheap ones that could be your problem ,they dont last nearly as long as the good ones...


2004 636 wont rev past 12000 rpm's - MVSBrendon - 11-03-2009


Quote Originally Posted by old man roger
View Post
5 months ago when you put plugs in it did you get the iridium plugs or the cheap ones ? if you got the cheap ones that could be your problem ,they dont last nearly as long as the good ones...

You think he'd get that much electrode erosion in 5 months? I ran 3 seasons on i set of plugs.

But pull the plugs and take a look at them, even if their still in good shape, then could give you some indications of what's going wrong inside.

Check this link
http://www.gnttype.org/techarea/engine/plugs.html