2006 GSXR 600 dies at 4000 rpm. - GSXR.com
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post #1 of 6 (permalink) Old 10-17-2019, 10:12 AM Thread Starter
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2006 GSXR 600 dies at 4000 rpm.

An interesting story from PJ in the mountains of TN.

His 2006 GSXR has been working well but then the engine started to die whenever the rpm approached 4,000. This was accompanied by an FI code for the PAIR valve which should not cause the engine to shut off.

After cycling the key, the bike would immediately start again, idle and run well till the throttle was opened to 4k rpm and it would die again. Totally repeatable.

My initial thought was that power to the ECM was getting interrupted at that RPM.

While PJ was hooking up a meter to check power, he noted that the charging voltage would climb to 18+ volts as rpm increased and the engine would shut down. He could repeat the sequence.

After disconnecting the R/R, the bike ran and revved normally.

Obviously the R/R is bad, but when he checked the stator, the open AC voltage was also below spec.

The interesting part was the high voltage causing the ECM to flip out and shut the engine down. I hadn't heard about that one before.

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Originally Posted by Chuckster View Post
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post #2 of 6 (permalink) Old 10-17-2019, 10:30 AM
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That does sound odd.
I guess high or low voltage can cause strange symptoms.
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I am a ward of the state.
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post #3 of 6 (permalink) Old 10-17-2019, 10:37 AM
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I just saw a story simular about a cbr on srk cycles you tube channel. Turns out under the stator cover there was some pieces missing .... I think a spring or 2 and a few bolts, the last owner put it togeather wrong.
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post #4 of 6 (permalink) Old 10-17-2019, 06:17 PM
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Interesting etiology to a symptom!

If you're on it, I'm sure it will get fixer OK.

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post #5 of 6 (permalink) Old 10-17-2019, 06:24 PM Thread Starter
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Quote:
Originally Posted by Todd_Sails View Post
Interesting etiology to a symptom!

If you're on it, I'm sure it will get fixer OK.
Hmmm I had to look that one up.

PJ just lucked into the high charge voltage when checking for another possible issue.

Of course luck involves knowing what you are looking at

Quote:
Originally Posted by Chuckster View Post
If you think reading is tricky, how the hell are you going to follow troubleshooting directions?
"Riding well is difficult, riding poorly is easy and painful."
- Nick Ienatsch


"We're all here because we're not all there" - Guy Favron on Gold Rush

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post #6 of 6 (permalink) Old 10-17-2019, 11:35 PM
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Itís much better to shut down than to blow up :-)

I guess the new parts wonít be coming from China....


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