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TECHNICAL => BMW => Topic started by: Kirk on December 30, 2011, 03:04:25 PM

Title: FOUR POUNDS of additional crankshaft weight on the '12 bike?
Post by: Kirk on December 30, 2011, 03:04:25 PM

Dang. 

That may make it easier to get off the corners, but it can't do anything good for the bike's ability to change directions quickly.

Title: Re: FOUR POUNDS of additional crankshaft weight on the '12 bike?
Post by: Canadian Mike on December 31, 2011, 08:14:53 AM

im sure bmw has it figured out

Title: Re: FOUR POUNDS of additional crankshaft weight on the '12 bike?
Post by: HellFire on January 01, 2012, 08:25:06 AM

I hope heavier crank will calm the vibrations down a tad

Title: Re: FOUR POUNDS of additional crankshaft weight on the '12 bike?
Post by: Canadian Mike on January 02, 2012, 07:24:22 AM

where in the rpm range you feeling vibes? through bars or pegs?

Title: Re: FOUR POUNDS of additional crankshaft weight on the '12 bike?
Post by: RansomT on January 02, 2012, 06:59:15 PM

Where did you find that info out?   That's a lot of additional weight  :bah:


The vibrations happen mainly in the bars at and around 5k RPM, but can felt in the pegs also on some bikes.  It seems that some bikes are more affected by vibrations than others. My '11 S1Krr vibrates very little, not much different than any GSXR I have ridden, but other owners complain a lot about it.

Title: Re: FOUR POUNDS of additional crankshaft weight on the '12 bike?
Post by: Jay on February 09, 2012, 11:13:11 PM

We should see a lot of those come try the shop for our treatment