| 2010 Yamaha YZ250F | Motorcycle Preview | Motorcycle News and Best (click here to read entire article) By mikeq 2010 Yamaha YZ250F | Motorcycle Preview All New Motocrosser Yamaha has released the following information on its new 2010 250F motocrosser. >> The all-new, Bilateral Beam frame is specific to the 250 and is more compact than the previous. ... There's also a new, higher lift cam profile, while valve stem ends are chromium-nitride coated for exceptional reliability and reduced maintenance. >> The exhaust port shape has a "D" shape instead of round. ... |
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