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Question about ZX14 |
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eliminator 
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Joined: January/14/2009 Status: Offline Points: 12 |
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 Topic: Question about ZX14Posted: May/25/2009 at 11:33pm |
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I just installed a Alien Head exhaust and the Brocks street map, at about 2500 RPM cruseing the bike makes a hissing noise almost like air entering or escapeing and the bike bucks a little. If you are on the throttle she is fine any ideas whats goin on? I have changed the plugs over the winter other than that I havent touched the motor, I re grounded the PC and reinstalled the map dont know what elce to do any suggestions. Eliminator |
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Posted: May/26/2009 at 1:38pm |
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Can you tell where the hissing sound is coming from? It is possible that if you left a vacuum hose disconnected that it could make that sound. |
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eliminator
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Posted: May/26/2009 at 5:13pm |
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It only makes the sound every now and than , I followed the instructions to a tee but maybe it slipped off or wasnt installed in far enough. I will check it out. Eliminator
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eliminator
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Posted: May/26/2009 at 10:10pm |
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I checked the pipe that was modded and it was fine, I also looked at the coil sticks and one was in the opposite direction from what the repair manual shows so I put that the way it was supposed to be. I will ride her tomorrow to see if there is any difference. Eliminator |
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eliminator
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Posted: May/27/2009 at 9:04pm |
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It is still hesitating in second and third when crusing at about 2500RPM, put on the throttle a little more and it is fine only in that spot in the RPM's.Any ideas? Thanks. Eliminator |
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Posted: May/29/2009 at 9:11am |
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Have you tried running MR 11 through it to clean the injectors? |
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eliminator
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Posted: May/29/2009 at 8:18pm |
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I ran the ground jumper wire accross to the bike ground post reset the PCIII and re loaded the map. It is running great now but I am still gonna run fuel injection cleaner through it anyway.Thanks. Eliminator |
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Brock
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Joined: October/01/2003 Location: Dayton, OH Status: Offline Points: 230 |
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Posted: May/30/2009 at 1:46pm |
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That's why the private info. exists! Brock |
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eliminator
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Posted: July/09/2009 at 10:10pm |
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I just installed the Manual cam chain tensioner and deciced to check the throttle bodies. I tightened up the bottom clamps a bit more they seemed a bit loose top's were ok. this may of been causing the sound as well, she is still doing it at about 2500 rpm sometimes. I will keep looking for the cause. Eliminator |
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eliminator
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Posted: November/28/2009 at 8:14pm |
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The bike has stopped the surging at 2500/3000rpm I have recently had the valves checked and shimmed correctly and now she seems fine. Eliminator |
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Posted: November/30/2009 at 10:37am |
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Glad to hear, let us know if you need anything else. |
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eliminator
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Posted: January/18/2010 at 8:15pm |
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when I went to put my bike up for the winter I notticed she was doing the same thing again. I have been hearing that the speedo healer could be causing this problem gonna pull the wires and make shur they are conected good. Keep ya posted again!!!!lol. Eliminator |
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eliminator
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Posted: September/25/2011 at 9:15am |
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Still has the surge gonna pull the fuel pump this winter and see if the filter is clogged.....the sputter is more of a nuisance than a problem, as of now I just learned to live with it.
Eliminator |
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Brock
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Posted: September/26/2011 at 9:59am |
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eliminator,
Please Read these:
Please read this about K&N and BMC street filters: http://www.brocksperformance.com/absolutefm/afmviewfaq.aspx?faqid=236 Wynn’s Power Charge: http://www.brocksperformance.com/Wynns-Power-Charge-+I771175.aspx Check out our Power Charge Test results here: http://www.brocksperformance.com/forum/forum_posts.asp?TID=1717 We no longer use the race gas cures - the above works better. I added the note about the filter, just in case.
Brock |
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eliminator
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Posted: March/23/2013 at 5:44pm |
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I will pull the K&N filter that I have in the bike and put the stock one back in see if it helps. I hear of other guys having the same problem after changing the gearing.
Eliminator |
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Brock
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Posted: March/26/2013 at 10:57am |
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eliminator,
The surge from a gearing change is only on the 2012-13 ZX-14R versions with the wheel speed indicators. Brock
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eliminator
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Posted: June/07/2014 at 8:22pm |
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Just seeing the massage the bike is still surging, I have a go pro gonna try to put the camera near where I hear it and send you the video. also gonna try to disconnect the speedo healer see what happens.
Eliminator |
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Brock
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Posted: June/09/2014 at 11:02am |
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eliminator,
I sent you a special map to test. The oxygen content in the fuel in your area may be a concern. Let me know what you think. Brock
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