PDA

View Full Version : what size engine



kookennay
10-09-2009, 09:25 AM
ok i got an 86 wit the 87 rod and spacer plate and it resleeve wit a 72.5mm bore. what is cc for my motor now? and how do you figure this up?

86 Quad R
10-09-2009, 09:46 AM
you have a 297.23463cc. to get the cc you simply multiply .0007854 x bore(72.5) x bore(72.5) x stroke(72) = :)

kookennay
10-09-2009, 02:39 PM
OK THANKS ALOT THAT IS EASIER TO FIGURE THAN I THOUGHT

morse250r
10-10-2009, 04:12 AM
even easier
http://www.everything2stroke.com/resource/displace.php

kookennay
10-15-2009, 03:25 PM
MINE IS AN 86 WIT 87 ROD AND 86 PISTON AND SPACER PLATE IS THE STROKE 72 IF SO THEN WHAT IS STOCK