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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
Will an 05-07 YZ125 engine fit in older YZ125's? If so, what years?
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[QUOTE="Dekester, post: 1194059, member: 74578"] Hi, Somehow this thread got hijacked to a YZ250. It's cool cuz I love the 250. I ride YZ250's. I have owned every year from 2001-2005. I can tell you that the 05 YZ250 definitely feels lighter and more flickable than an 04. The 04 was/is my favorite bike but the 05 handles differently. It feels like the weight of the bike has a lower center of gravity. The first time I rode the 05 I noticed this immediately. I really think the 05 YZ250 weighs less than an 02-04 YZ250. I think the published weight is 214 for a 2004 and 211 for a 2005. I also seriously think the center of gravity is lower on the 05-07. Back to the 125's. The engine itself is over 4 pounds lighter for 05-07. The weight has definitely decreased on these bikes. For the 250's, the engine stayed the same through the frame change from steel to aluminum. Not so with the YZ125. The engine went through a MAJOR change along with the frame change. Does this mean the newer engine will not retrofit to the steel frames? I do not know. I would like to know what years would work, if any. Anyone have any info? [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
Will an 05-07 YZ125 engine fit in older YZ125's? If so, what years?
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