what size is 0.040 [Archive] - ATV Riders Forum

enduro400rider

03-15-2005, 02:29 PM

what size is 0.040 on a 400ex bore

chad502ex

03-15-2005, 02:41 PM

Originally posted by enduro400rider
what size is 0.040 on a 400ex bore

40 over is 408
80 over is 416
120 over is 426
160 over is 440

.040" = 1mm

stock is 85mm
86mm is 408
87 is 416
88mm 426
89mm= 440

hope this helps.

chad502ex.com

enduro400rider

03-15-2005, 03:24 PM

thanks for the help

03-15-2005, 04:05 PM

Originally posted by chad502ex
40 over is 408
80 over is 416
120 over is 426
160 over is 440

.040" = 1mm

stock is 85mm
86mm is 408
87 is 416
88mm 426
89mm= 440

hope this helps.

chad502ex.com

correction, it would be a 406 not a 408 sir..

Jesse

chad502ex

03-15-2005, 05:36 PM

Originally posted by Dirt Merchant
correction, it would be a 406 not a 408 sir..

Jesse

406.78cc. that's correct. :D.

I like your style.