With the powerful Genesis® 150FI 4-stroke engine in a comfortable rider forward environment,

the Apex is the standard for performance trail riding. Accurate steering with hooked handlebars and double-wishbone front suspension allow the Apex to carve up the corners. The smooth and plush Mono-Shock RA suspension offers unparalleled ride comfort. And with the reliability and efficiency of a 4-stroke powerplant, you can ride with confidence wherever you go.
 

The high-performance 150hp-class Genesis 150FI engine is built with exotic materials and Yamaha's high-tech manufacturing processes to be lightweight, durable and highly potent. The lightweight crank design and advanced fuel injection system give this engine right-now performance. Its broad power curve is easy to clutch and it delivers excellent acceleration out of a backshift.

Electronically controlled throttle bodies read your thumb almost before you slam the throttle lever to the bar. Computerized circuitry recognizes barometric pressure, ambient temperature, throttle position, engine rpm and everything else that matters to get you up to speed—immediately.

Comfort. Stability. Control. Apex snowmobiles bring rider and sled together into a "ready" position. Forward-mount handlebars and high-rise comfort saddle bring you forward, positioning you to respond to the trail. You sit tall to read the bumps. Legs and feet come naturally to an action position without being forced into one riding position. Serious riders. Ready for winter's serious challenge. Bring it on.

No matter how you slice it, a 2-stroke engine is a 100% oil loss system — you pour it in, the sled spews it out. Yamaha 4-stroke engines don't use injection oil, so you're not always chasing the next quart. Look at the savings you'll enjoy with a Yamaha 4-stroke versus a 2-stroke engine!

Yamaha four strokes offer serious advantages in performance, reliability and fuel and oil efficiency. They're engineered to let you master the snow whether you ride hundreds of miles of groomed trails a day, seek out big moguls, or cruise with the family. They offer serious advantages for serious riders who don't want to waste money on expensive-to-operate two strokes.

The Mono RA lets you easily dial in all combinations of comfort. Twist the remote adjuster knob to fine-tune according to rider weight and riding style. Simple. Precise.

With peak power of about 150 horses, Yamaha's lightweight Genesis 150 fuel-injected four-stroke parties past the competition's two strokes in smoothness and consistent torque. Feel the free-revving four-stroke's wide power band. EFI means crisp, instant response. Aluminum 20-valve head. Genesis 150 masters serious performance.

Fifty years of advanced engineering technology means Yamaha four strokes enjoy miles-per-gallon advantages — fewer fuel stops — cleaner combustion — no two stroke odour. With fuel prices reaching record highs, Yamaha's four-stroke advantages are clear. And Yamaha four strokes can't be matched for consistent reliable performance.

Ever since the first Yamaha four-stroke snowmobile was introduced, power efficiency has increased while weight has decreased. Yamaha has engineered more four strokes than all other snowmobile manufacturers combined. Magnesium, titanium and aluminum components enhance performance and reliability while also reducing weight.

Every Yamaha snowmobile comes standard with electric start. Shouldn't every so-called high-tech new sled in the 21st century?

Additional Features

• Camoplast® Rip Saw™ track

• Lightweight rear exhaust

• Radiator with fan

• Link-type sway bar

• Comfortable rider-forward position

• Tall, wide bars with hooks

• DC outlet for accessories

• To-the-end grip warmers

• Electric start

• Rear storage area

• Wide running boards

• Quick-release hood and bodywork

• High-visibility LED taillight
   

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