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Old April 3rd, 2013, 07:40 PM   #99
tubarney
ninjette.org sage
 
Name: Brad
Location: Sydney
Join Date: Mar 2012

Motorcycle(s): Ninja 250r 2010 SE

Posts: 573
Quote:
Originally Posted by bruce71198 View Post
So, is there no point to knife edging ? I have also seen knife edged con rods.
There is a point if it sits in oil. Also there is benefit from it cutting through the mist better. I'm talking 10th's of a second in lap time if your a pro.

But think about it bruce. Are you really going to notice the difference?

Every crank grinder I have talked to about it says not to bother as it is a waste of time and money.


Now even with lightening the crank. I don't know exactly how much difference this is going to make.


Pretty much. I did it becuase it cost me $200 bucks in oil and gaskets just to get the crank out.

I have spend $2000 dollars on engine work so far so whats an extra $200-300 on grinding at this point.

Am I going to notice the difference in the crank after all these mods. Hell NO. Maybe if you did it as a single mod.

I'm putting a head, pistons and crank in at the same time. A day after I'm putting in the cams. I also need to get the carbs tuned for no airbox. There is no way I will tell the difference.

Last futzed with by tubarney; April 3rd, 2013 at 11:38 PM.
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