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2013 Apex SE
Features / Technology
Top Performance 4-cylinder Genesis 4-Stroke engine
The physical casting of the engine remains the same, but the valve timing, intake and exhaust tracts, airbox and exhaust pipes are all recalibrated for optimum midrange torque output as well as an overall top end gain.
The intake tracts on the Apex SE have been lengthened by 11mm, as compared to the previous model. The engine utilizes the pressure waves in the longer intake tubes and in the airbox to boost airflow and maximize high RPM performance.
The distance between the throttle valve and intake valve has been designed for optimum fuel delivery. In addition, the 4-hole injector on the throttle body creates a spray of finely atomized fuel, with droplets of just tenths of a micron in size. The spray is aimed directly at the intake valve skirt for maximum efficiency and performance. The result? Simply unmatched throttle response.
EXUP and exhaust pipe
Yamaha-exclusive EXUP valve technology controls the exhaust pressure waves for optimum intake and exhaust efficiency, delivering unmatched overall performance with more midrange torque. Additionally, the exhaust pipes have been enlarged to 38mm from 35mm for added exhaust pressure wave efficiency.
15 x 128 x 1.25-inch Ripsaw™ track
The 128-inch track length is longer to harness the Apex SE's huge midrange torque for great acceleration. The track has an open design to accept extrovert drivers.
Engine Braking Reduction System
The Top Performance Genesis 4-Stroke engine features the unique Engine Braking Reduction System. The system allows a small amount of air to pass through the fuel injection system when the throttle is released, giving riders more of a "coast" feeling.
Electric Power Steering
Industry-first electric power steering system is velocity sensitive, delivering maximum assist up to trail speed, and gradually tapering off from there. You'll love the EPS system because it helps isolate the rider from uncomfortable trail feedback, eases the effort required to move the bars, and provides excellent handling and predictability.
The skis have great cornering agility and work in tandem with the EPS to significantly reduce hunting and darting.
Front suspension geometry
The 15mm trail offset on the ski mount helps minimize inside ski lift due to centrifugal force during turns. And, by optimizing the amount of resistance from the snow surface that's applied to the rear end of the ski, including forces from bumps and ruts, this offset helps the Apex SE achieve its amazingly smooth handling, including its excellent straight line performance.
Rigid steering gate
The steering gate has a rigid single-piece construction designed to handle the additional forces exerted by the EPS system. The gate is made using Yamaha's exclusive lightweight, yet rugged CF diecast manufacturing process.
To match the tall and forward position, a single-piece, dual-hooked handlebar is standard fare on the Apex SE. The hooks have the same grip material as the main bar section, for consistent control, regardless of hand position on the grip.
Short exhaust system
The Apex SE has a very short, compact exhaust layout. This helps keep the sleds mass centralized, which results in excellent handling. Another benefit of the short exhaust design is that the tunnel no longer needs to have a cast reinforcement piece to hold the muffler.
Mono Shock® II Air
The Mono Shock II Air rear suspension uses a single Fox Mega FLOAT shock to control the travel of the skid. The shock is preload adjustable via a small hand air pump and can be adjusted to nearly any rider/trail combination. Decked out with highly engineered features, this trouble-free suspension can handle trail bumps with ease.
The Apex SE's seat raises the rider's hips approximately 2 inches for all-day trail riding comfort. The seat has a roomy storage trunk at the rear. It's large enough to hold a couple water bottles, spare gloves, a fleece shirt, and an Xtremely Practical tow strap!
Fox Mega FLOAT®
The Fox Mega FLOAT shock mounted on the rear has a design very similar to the front shocks. The Mega FLOAT shock has more than twice the air volume of the front shocks, which combats heat accumulation. Like the FLOAT 2 shocks, the Mega FLOAT has a negative spring design to make the start of the shock's stroke smooth (less "stiction") for a very compliant ride.
Fox FLOAT® 2 front shocks
Fox FLOAT 2 shocks use an air spring designed to force the piston to rebound. This eliminates the need for steel coil springs. They cut three pounds off the sled's overall weight, as compared to traditional coil over springs. They are individually tunable by using a pocket-sized air pump, which comes with the sled, so consumers will be able to set the front suspension up to their liking.
Standard electric start
Yamaha's electric starter system allows consumers to fire up their Apex SE with the turn of a key. There is no pulling on a nylon cord to get this high-tech engine growling! Electric start is a standard feature on all of Yamaha's 4-stroke machines.
The windshield and side deflector design, developed using computer modeling, provides maximum wind protection with minimum aerodynamic drag and swirl-in.
Standard mechanical reverse
The Apex SE's simple reverse system allows riders to back out of tight spaces hassle-free. It's engaged with the lever located on the right shroud. Just pull out the lever and slide it to the right for quick and easy use.
Dual DC outlets
The Apex SE offers two styles of DC outlets. It comes with a standard automotive-style outlet for cell phones, GPS or other electronics accessories. And it also comes standard with an RCA-style plug near the left hand grip to power up heated helmet visors or other small-plug accessories.
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