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why the weight difference between the 125 class and 250 class bikes

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i was looking at stats for bikes and comparing the yz125 and yz250(no "f") and there is a pretty good weight difference.. same goes for the 250f and 450f. seeing that both the 125/250 and 250f/450f share the same chassis and everything, the only difference is a bigger piston.. what causes these big weight differences between each class :applause:

i thought they should be within atleast 4-5 pounds since everything is the same :eek:

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Not only that, but by adding power (don't kid yourself, a 250F isn't nearly as fast as a 450) the engineers need to strengthen the entire bike. Ever look at a CRF250 chassis? It looks like a bicycle frame next to a CRF450 frame. Then you add things like bigger rear tires, etc and it adds up in a hurry. Same goes for the 125 and 250 two strokes, they may look the same, but start measuring stuff and you see where the weight is...

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Haha, MX guys complaining about weight:lol: . The most obese MX bike is still way lighter than that pig of a bike I ride :applause:

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Like they've been saying, everything is beefed up. 450's and 250 2t's have bigger clutches, cooling systems, transmissions, etc. then their smaller counterparts.

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i was looking at stats for bikes and comparing the yz125 and yz250(no "f") and there is a pretty good weight difference.. same goes for the 250f and 450f. seeing that both the 125/250 and 250f/450f share the same chassis and everything, the only difference is a bigger piston.. what causes these big weight differences between each class :applause:

i thought they should be within atleast 4-5 pounds since everything is the same 🙂

You can't be serious, yet it's not funny.

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