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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Getting back into Riding/Racing
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[QUOTE="robwbright, post: 1399201, member: 60515"] Love my 03 YZ250f 4 stroke. Might be underpowered, but it's got plenty for me. I think the Yoshi exhaust helps mine significantly my bike has substantially more top end than my buddy's 03. According to the dynos I've seen, the Yosh added about 3+ HP. Last fall I switched from a 2002 RM125 2 stroke. Liked that bike a lot - handled really well, decent power - but I couldn't pull a start against 250f's unless I was absolutely perfect off the start - and I'm not often perfect. I found a steal on the 250f for $1000 - recent total rebuild of the motor - but it looked like crap. Spent $400 in plastics, graphics, frame guard, painting the frame, etc. . . and it looked like a brand new one. As far as being underpowered - when I ride that bike to it's potential, then I'll consider it "underpowered". In watching/listening to my helmet cam videos, I'm usually running at about 8000-9000 rpm - and the bike continues to pull hard up to 12,000+. Thus, I've got a lot of room for improvement. Of course, I wasn't riding the 125 to its potential, either. And here's the reason people like the 4 strokes vs. the 2 strokes - and these are from 2002 bikes - YZ125 2 stroke and YZ250f 4 stroke: [url]http://www.motorcycle-usa.com/photogallerys/YZ125_250F_torque_comparro.jpg[/url] [url]http://www.motorcycle-usa.com/photogallerys/YZ125_250F_hp_comparro.jpg[/url] [/QUOTE]
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Forums
MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Getting back into Riding/Racing
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