Creepy847
Novice Class
Posts: 31
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posted September 07, 2012 03:50 AM
 Edited By: Creepy847 on 7 Sep 2012 11:52
16T Issues
Yesterday I replaced the front sprocket with a 16. The bike is completely stock with 7600 miles on it. Took it out and noticed right away that around 1800rpm to 2500rpm that the bike ran like shit and alot worse if you were pulling a grade.
You can blast thru that rpm range and probably not notice anything if your racing, but say you get behind a car that takes the same turn as you on a slight grade going uphill... Well the bike just wants to buck you off. I would consider def unsafe in certain conditions and like someone said here it can be a handful in 1st and 2nd in some turns Couldnt detect it in 3rd but of course its hard to get the rpm range where it needs to be in the upper gears without lugging the fck out it. Now of course if theres no traffic where you live or you use the bike for drag racing then theres a damn good chance you wont notice it.
Be warned tho if you are pulling a grade, slow traffic where your forced to follow without the option of passing then you will most likely feel and hear the bike surge, buck or whatever else you want to call it.
Im throwing the bike back on the lift and going back to the stock 17. This is clearly one of those mods that ruins the smoothness of the 14R at low speed which Im not willing to sacrifice cause theres alot of traffic here where I live and having the fcking thing buck is not worth it.
Creeps.
  
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Seno
Pro
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Posts: 1230
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posted September 07, 2012 03:56 AM
read these threads... old news man. No solution besides running stock gearing as of yet
http://www.bikeland.org/board/viewthread.php?FID=27&TID=69034&set_time=
http://www.bikeland.org/board/viewthread.php?FID=27&TID=69000&set_time=
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2012 Black 14R -> Completely done!
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zixxer14
Pro
Damn that was Quick
Posts: 1233
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posted September 07, 2012 06:28 AM
Welcome to the electronics age, ain't it great.
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1badzx12r
Needs a life
Posts: 8321
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posted September 07, 2012 06:46 AM
quote:
Welcome to the electronics age, ain't it great.
busa's don't have this issue 
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smokinZX14
Needs a life
Posts: 10197
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posted September 07, 2012 07:08 AM
Edited By: smokinZX14 on 7 Sep 2012 15:09
Mine runs fine and it's not a busa.... 
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Smokin Performance Cycles..
Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
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1badzx12r
Needs a life
Posts: 8321
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posted September 07, 2012 07:11 AM
Edited By: 1badzx12r on 7 Sep 2012 15:14
quote:
Mine runs fine and it's not a busa....
if it was a busa it be faster and quicker
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wrongway
Pro
Posts: 1078
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posted September 07, 2012 08:40 AM
quote:
Mine runs fine and it's not a busa....
your traction control is always off ,,,, maybe a hint to whats going on?
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Seno
Pro
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Posts: 1230
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posted September 07, 2012 11:42 AM
.....
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2012 Black 14R -> Completely done!
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Newf14
Zone Head
2007 ZX1400
Posts: 563
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posted September 07, 2012 12:38 PM
So is this the same issue that I am having with my 07 ZX14, sounds the same. So if I put the 17t back on would it stop I wonder eaven if the back gearing is changed to 42 teeth?
Newf14
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toledoUPSguy
Expert Class
An old guy with a new toy
Posts: 320
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posted September 07, 2012 01:40 PM
I'm sure this is going to be a stupid question. can I use a busa rear vortex sprocket on a zx14? I'd really like to see if my ECU stumbles with a sprocket change and my buddy has all sorts of rear sprockets for his busa.
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2014 ZX14r in nuclear sunset orange and black
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Seno
Pro
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posted September 07, 2012 02:56 PM
Edited By: Seno on 7 Sep 2012 23:07
quote:
So is this the same issue that I am having with my 07 ZX14, sounds the same. So if I put the 17t back on would it stop I wonder eaven if the back gearing is changed to 42 teeth?
Newf14
I believe this is a 14R problem, the stumble you feel is probably the flies, map or chain tension. This is something to do with the KTRC even thouhg KTRC is OFF all the time....
BTW, someone posted on the other forum something similar....
quote:
zx14racer posted: (Is this one of Gixxerjohn's aliases???)
The fix is simple. I had the same thing to fix it go up 1tooth on the rear sprocket and it balances it right out. I tried to tell them that on bikeland but i was kicked out. But i found the fix. The ecu needs the rear sprocket raised one tooth to balance it out and read it right. When i went down one up front it would stumble down low. Removed it and went more teeth in the rear and it ran like shit at four grand. Keep the sprocket in the back raised one and lowered the front again and perfect. Try it out. People like smokin say their bike runs fine because it does because they have lowered in tbe front AND raised in the back. Try it you'll see.]/quote]
The poster stated with a 16T front, going up +1 in the rear solved his problem. In other words going up +4 teeth in the rear (17/46) might solve it also (same ration at 16/43)
I have personally tried a 43 & 44 tooth with 17t front and it still stumbles.... People with 16T front have also felt the stutter, not sure if anyone has a 43T rear to "confirm" that the stutter disappears with a 16T front & 43T rear. Shit anyone with a 14R & a 46T laying around please throw it on to test it out.
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2012 Black 14R -> Completely done!
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Lsantana954
Expert Class
Posts: 356
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posted September 07, 2012 04:47 PM
worth a try i guess..if someone has a 43T thats willing to send to creeps or if he already has some, and if he is willing to, maybe he can test that out.
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'12 Gully Blue ZX14
-PCV/Guhl ECU/Blue CT Meg/<0 Alyson Oil/+8 Evil Arm/+1 Rear Sprocket
'07 Acura TL-S
'87 Buick Grand National
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Viper
Expert Class
Posts: 285
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posted September 07, 2012 06:04 PM
I'm running a 16-44 and all is well. Been running that since a week after I bought the bike.
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2012 ZX14R SE
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joseph702
Zone Head
Posts: 598
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posted September 07, 2012 06:27 PM
cant u pull the fuse so ktrc dont kick in and thay would tell u if its that.
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Seno
Pro
BANNED FOR LIFE!
Posts: 1230
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posted September 07, 2012 07:05 PM
quote:
I'm running a 16-44 and all is well. Been running that since a week after I bought the bike.
Million dollar question is "Does your bike stutter with 17-43 on it?" Some do and some don't, if your bike don't then you are one of the lucky ones
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2012 Black 14R -> Completely done!
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Viper
Expert Class
Posts: 285
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posted September 07, 2012 07:31 PM
Never ran the 17-43. First thing I did to the bike was 16-44 and lower and stretch and removed the flies a week after I got it in January. Sent the ecu to get flashed when it became available in feb. and sent it back for the reflash last month. Never had any issues
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2012 ZX14R SE
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kawa74
Expert Class
Posts: 226
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posted September 07, 2012 08:16 PM
quote:
Never ran the 17-43. First thing I did to the bike was 16-44 and lower and stretch and removed the flies a week after I got it in January. Sent the ecu to get flashed when it became available in feb. and sent it back for the reflash last month. Never had any issues
" removed the flies the first week"
Anyone with Flies removed having a Stutter Problem ??
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Lsantana954
Expert Class
Posts: 356
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posted September 08, 2012 12:54 AM
quote:
Anyone with Flies removed having a Stutter Problem ??
I do...i have flies removed with 17-43 set up.
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'12 Gully Blue ZX14
-PCV/Guhl ECU/Blue CT Meg/<0 Alyson Oil/+8 Evil Arm/+1 Rear Sprocket
'07 Acura TL-S
'87 Buick Grand National
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