Mr. Godfather Gorr

H

hot125mod

Member

Jan 14, 2007

501

0

• Oct 20, 2008

• #1

Hi eric I am wanting to cut the base of the cylinder on my 04 Kx 125, in your trusty handbook you say to go .030 on the base and squish. Could I do .015 and tighten it up a little more. Is that why it is so short on the powerband because of the transfers being too tall. Would it allow for better top end if I had you widen them or not?

 

Pete Payne

MX-Tech Suspension Agent

Nov 3, 2000

933

38

• Oct 23, 2008

• #2

first off .015" is less than .030"

 

S

spark250

Member

Feb 7, 2008

128

0

• Oct 23, 2008

• #3

LOL!!! I was thinking the same thing but thought I was the one missing something??

 

H

hot125mod

Member

Jan 14, 2007

501

0

• Oct 24, 2008

• Thread starter
• #4

well i know that. I ment cut 030 off of the base and 015 on the squishband to tighten things up a little. BTW Thanks for pointing out the obvious What is a stock 125 motor for piston to squish and head clearence?

 

Pete Payne

MX-Tech Suspension Agent

Nov 3, 2000

933

38

• Oct 25, 2008

• #5

I normaly shoot for .040" , but have gone as close as .031" .
Alot of how tight you can go depends on piston / rod growth amongst other things as comp ratio and MSV
(Maximum Squish Velocity )