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View Full Version : Difference between yx426 400ex....


CowsBitePeople
03-25-2003, 11:31 AM
If i did the yz conversion what are the pros and cons??And by doing the conversion is there a BIG performance change??What should i do??do the yz conversion or just boar my 400 motor to a 440??Any help would be great....Thanks....

MaTT....
CowsBitePeople
03-25-2003, 01:00 PM
??
Yoshi400ex
03-25-2003, 02:00 PM
well when u get a yz it is gonna run cooler because it is a water cooled engine. i dont have the expierence but some people say the cr450 is better because it is a honda but if u wanna race you will have to put a smaller sleave in it to bring it down to a 440.. i have also heard people say that the 440 kit for a 400ex is not that reliable... id say the 426 is the best way to go from what i hear..