2011 Honda CRF450R New Features

 Honda CRF450R

 Honda CRF450R

The other thing you notice about the engine for 2005 is that the bike revs quicker – almost as if it has a lighter flywheel effect. Again, the power just comes on more aggressively for 2005. Our pro tester, Russ Somers, rode the 2004 and 2005 CRFs back-to-back and came away convinced that the 2005 model has much more bottom-end and midrange power, and slightly more power on top. Granted, our 2004 model was a bit tired at the time (running the original piston and rings), but Russ felt the 2005 CRF450R was the fastest-accelerating motocross bike he had ridden since the 500cc two-stroke era ended. This bike hauls!

 Honda CRF450R

 Honda CRF450R

Honda CRF450R

2011 Honda CRF450R New Features

* Revised engine tuning and new 46mm throttle body increase low-end and midrange power and give improved throttle response.
* Front fork features a lighter cartridge cylinder and all-new valving for improved control and increased ride plushness.
* Revised shock valving yields improved control and increased rear wheel traction.
* New suspension linkage produces improved chassis balance and increased rear wheel traction in rough-track conditions.
* Honda Progressive Steering Damper (HPSD) features larger piston diameter (20mm to 24mm) for improved tracking traits.
* Redesigned muffler lowers sound emissions to 94 dB.