Motorcycle Types Adventure / Dual-Sport Yamaha's new 2010 YZ450F | Tech Video

Yamaha’s new 2010 YZ450F | Tech Video

2010 YZ450F Tech Video

Click video to see a brief technical overview of the new the 2010 Yamaha YZ450F. The new YZ450F features a revolutionary fuel injected, liquid-cooled, 4-stroke, 4-valve, DOHC, rearward-slanting single cylinder engine that is fascinating to see. The rearward-slanted engine provides for straight intake and exhaust ports, to create a direct path for airflow into the fuel-injected engine and out the exhaust.

Yamaha’s Fuel Injection (FI) system was designed to provide for an optimal air / fuel mixture in most all altitudes and temperatures. The YZ450F FI system is battery-less and is powered by a 14 volt / 110W high output generator. The 44mm Keihin throttle body, with 12-hole injector, helps provide for superb fuel atomization.

The 2010 YZ450F also has a bigger 97.0mm bore and shorter 60.8mm stroke, along with a higher 12.5:1 compression ratio. The 4-titanium valve cylinder head with a "pent-roof" design provides efficiency. Exhaust gases exit via the new "tornado-style" exhaust header with resonator all claiming to be unequal power output.

The YZ450F also has an advanced Bilateral Beam aluminum frame with components distributed for mass-centralization and better handling. The high-capacity, long-stroke suspension system helps smooth over the bumps, while keeping you in contact with the surface. All and all it is quite an innovative motorcycle in a world very similar motocross bikes.


Ron Lieback
Ron Lieback
One of the few moto journalists based on the East Coast, Ron Lieback joined the motorcycle industry as a freelancer in 2007, and is currently Online Editor at Ultimate Motorcycling. He is also the author of "365 to Vision: Modern Writer's Guide (How to Produce More Quality Writing in Less Time).

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