Dirt Rider Magazine Homepage
Facebook Click here to find out more!

2010 Yamaha YZ450F 2009 Five Valve Vs 2010 Four Valve

 
2010 Yamaha YZ450F 2009 Five Valve Vs 2010 Four Valve
2010 Yamaha YZ450F
After years sticking with five-valve designs for the cylinder head, Yamaha is moving to a four-valve arrangement. It claims that two intakes work better with the EFI. The company's MotoGP bike says this works. View Related Article
2010 Yamaha YZ450F Bike 2010 Yamaha YZ450F New Frame 2010 Yamaha YZ450F Shock 2010 Yamaha YZ450F Right Side Cutaway 2010 Yamaha YZ450F 2009 Five Valve Vs 2010 Four Valve 2010 Yamaha YZ450F New Tornado Exhaust Pipe
Get Adobe Flash player
Dirt Rider