Maintenance & Technical > KX500 Original

Making the K5's power more usable??

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KXcam22:
On my K5, I found that reed spacer combined with some intake porting and boysen dual-stage reeds made the most difference in making the power more rideable with no reduction in top end rush.  When I put on the gnarly it hugely enhanced the low, but at the sacrifice of the high. With these mods the power is soo smooth and sweet that when I put on a Steahly FWW I barely nticed it (which surpised the heck out of me - last bike I put one on made it a different bike).  My bike is tuned for MX & single track trails the way I like it - good bottom end and huge midrange blast for short shifting.  A dune pilot would need something different. Cam.

kaw rider:
thats funny. on a stock 500 bike,who do you think has a heavyer crank. you'll be surpised.

you hit it on the nail. usable power. :-D

Mick:

--- Quote from: kaw rider on March 21, 2008, 03:23:39 AM ---on a stock 500 bike,who do you think has a heavyer crank. you'll be surpised.

--- End quote ---

Unless I missed your point, you're asking which 500 has a heavier crank.  There really isn't a surprise there.

My '89 KX crank for example is an anvil.  And Kawasaki increased the mass more still in the years to follow mine.  As a matter of fact the flywheel is also much heavier.  Again, Kawasaki increased the weight of it as well in the early '90s.  There is no secret to be told here.  Kawasaki chose to increase reciprocating mass everywhere to produce a tractable motor.  And they did.

Dutch-K5 Fan:
Mick witch
--- Quote ---reciprocating mass
--- End quote ---
you mean a crank with more mass at the outer side??
Same weight but more momenten at high rpm.
Flywheel weight sounds good, but i want a motor that stops reving when you shut the throttle. The down side of 500 2stroke over a 4stroke is braking on hardpack. You Outpower them by lightyears, braking :|.

Still some good idea's to start with :-)


        Dutchie

               

kaw rider:
who has a heavyer crank ?

 kx 500 or cr 500.

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