400ex bore
Jul 12, 2013 | 10:39 PM
#2
It was bored 86 mm or .040 402ex
Jul 13, 2013 | 09:36 AM
#3
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Not sure if this is right . (Bad a math) LOL
Stock is 85mm bore x 75mm stroke= 397.2 cc
So you would need a 88mm bore to be a 425.7 cc.
According to this site. Engine Cubic Inch/CC Displacement Calculator
86mm bore would be a 406.6 cc
Unless the guy changed the stroke as well.
Stock is 85mm bore x 75mm stroke= 397.2 cc
So you would need a 88mm bore to be a 425.7 cc.
According to this site. Engine Cubic Inch/CC Displacement Calculator
86mm bore would be a 406.6 cc
Unless the guy changed the stroke as well.
Jul 13, 2013 | 09:52 AM
#4
Not sure if this is right . (Bad a math) LOL
Stock is 85mm bore x 75mm stroke= 397.2 cc
So you would need a 88mm bore to be a 425.7 cc.
According to this site. Engine Cubic Inch/CC Displacement Calculator
86mm bore would be a 406.6 cc
Unless the guy changed the stroke as well.
Stock is 85mm bore x 75mm stroke= 397.2 cc
So you would need a 88mm bore to be a 425.7 cc.
According to this site. Engine Cubic Inch/CC Displacement Calculator
86mm bore would be a 406.6 cc
Unless the guy changed the stroke as well.
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