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Old 05-22-2012, 06:06 PM   #1
RayBusa
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Problem w/ RPM's dropping to Zero????

I was riding Busa and i was doing 80mph then all of a sudden out of nowhere my rpms just hit zero no engine breaking just bam zero no engine studdering before it hit zero or nothing it would stay at zero for a few seconds then it would catch back up to speed/mph/rpm the bike was rolling at. This happened atleast 4-5 times on the way home thank i didnt crash i almost had 3 cars slammed into the back of me cause of this. I have no idea what it could be my guess maybe fuel pump or wire short, if you have any idea please let me know thanks
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Old 05-22-2012, 06:09 PM   #2
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Happened to me coming into T1 at TWS (Texas World Speedway) one time on my 04 R6.

I had a tool that slipped out of my old gear bag and was arching between the frame and battery. I'm guessing shorting out somewhere bro.

Did you do any mods lately? Take off plastics?
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Old 05-22-2012, 06:13 PM   #3
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Quote:
Originally Posted by Senator View Post
Happened to me coming into T1 at TWS (Texas World Speedway) one time on my 04 R6.

I had a tool that slipped out of my old gear bag and was arching between the frame and battery. I'm guessing shorting out somewhere bro.

Did you do any mods lately? Take off plastics?
no mods its all stock only slip ons and bmc filter. i hope its an easy fix
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Old 05-22-2012, 06:18 PM   #4
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Take off the seat and check the battery cables, that's my #1 guess. Take a look around the frame and sub just to check while you're there. Report back.
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Old 05-22-2012, 06:23 PM   #5
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Quote:
Originally Posted by Senator View Post
Take off the seat and check the battery cables, that's my #1 guess. Take a look around the frame and sub just to check while you're there. Report back.
I had something similar happen to me. Ended up being the battery cable vibrated loose.
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Old 05-22-2012, 06:30 PM   #6
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I would start by checking battery connections.. And just for maint reasons would pull the plugs and see what they look like. If you do pull the plugs take pictures of each and remember what Cylinder each was from.
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Old 05-22-2012, 06:32 PM   #7
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Checked battery cables and sub everything looks good cables were tight im take off tail fairing and check everything from the seat all the way back and check to make sure no random tool or debis is near the engine or just loose. thanks for input guys i appreciate it
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Old 05-22-2012, 06:33 PM   #8
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Quote:
Originally Posted by __NATE__ View Post
I would start by checking battery connections.. And just for maint reasons would pull the plugs and see what they look like. If you do pull the plugs take pictures of each and remember what Cylinder each was from.
I changed them about 10k miles ago with ngk iridiums but i will check for sure i wont hurt to look thanks
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Old 05-22-2012, 06:40 PM   #9
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Other things to consider:
kill switch
kick stand switch
tip over sensor
fuel pump (I've had a solder break inside the fuel pump)
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Old 05-22-2012, 07:56 PM   #10
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^^bingo... kickstand switch is a common problem.
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