how steady is your idle? - Page 2 - BMW S1000RR Forums: BMW Sportbike Forum
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post #11 of 23 (permalink) Old 11-29-2012, 11:59 PM
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Originally Posted by noamkrief View Post
Why did your motor blow. That's worrysome.
They never found out. Well, a connecting rod broke, the end connected to the crank rotated 180 degrees to point downwards, and it punched a long grove completely through the case, spilling oil all over my back tire and my left foot. That's why the motor blew.

But they never found out why the conn rod broke.

- John
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post #12 of 23 (permalink) Old 11-30-2012, 12:02 AM Thread Starter
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Originally Posted by Technomancer View Post
They never found out. Well, a connecting rod broke, the end connected to the crank rotated 180 degrees to point downwards, and it punched a long grove completely through the case, spilling oil all over my back tire and my left foot. That's why the motor blew.

But they never found out why the conn rod broke.

- John

Scary. Sounds like the 2012 recall problem. Was your bike affected by the recall? Was it fixed at the dealer?
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post #13 of 23 (permalink) Old 11-30-2012, 12:29 PM
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Please don't give him something else to worry about.

2013 BMW K1600 GT
2012 BMW S1000RR Motorsports
2014 Triumph Thruxton

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post #14 of 23 (permalink) Old 11-30-2012, 12:51 PM
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Jagman,

Well if he did ("have a recall problem), he doesn't anymore!

Also, just realized you have the perfect "stable" as far as I'm concerned. I had a "14" prior to the S1.

Curtis
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post #15 of 23 (permalink) Old 12-01-2012, 01:00 AM
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What rpm do you guys idle at?

I'm at 1200 once the bike warms up, and just above 1200 when I first start it.


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post #16 of 23 (permalink) Old 12-01-2012, 04:18 AM
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I have a 2012 and the idle stays perfectly at the first line above 1k rpms. Don't know what that is because there's only 3 notches between 1k and 2k (1250?)

Either way it's perfectly stable there with no jumps whatsoever.
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post #17 of 23 (permalink) Old 12-01-2012, 05:13 AM
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I have a 2010 and before I install my Leovinci full system the idle was steady. Now it a bit jumpy until the bike gets warmed up, then it's perfect again.

You will never be arrested #58
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post #18 of 23 (permalink) Old 12-01-2012, 05:16 AM
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Well, okay some fluctuate and some don't. Any ideas as to why the fluctuation and what might be done to cure same. In the old days, we would have called this "surging". Personally I'd like to cure mine if not to difficult.

Curtis
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post #19 of 23 (permalink) Old 12-01-2012, 09:08 AM
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My bike is a 2010, and was not affected by crank recalls of that year. I *might* have had the lighter-weight crank, but I don't know.

It has been 221 days since the motor blew and my bike is still at the shop! I pick it up today. Hope it works right. If it does, I'll sign some paperwork and won't be discussing the motor anymore.

- John
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post #20 of 23 (permalink) Old 09-20-2013, 10:18 AM
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My idle bounces up and down +-50-100 rpm. The most noticible part is the bike doesn't have a perfect purrrrrrrr. Every second or so there is a split second minor delay or a change in volume.

I would reckon the o2 sensors are probably getting fouled.
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