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Potent, liquid-cooled, 250cc, DOHC, 4-valve power plant with super light titanium intake valves & electronic fuel injection. This engine out performs its 250cc displacement and offers best in class performance.
Electric starting & automatic decompression system.
easy no hassle starting
decompression system reduces battery power requirements… reducing weight
Lightweight magnesium cylinder head cover reduces weight.
Double overhead cam, 4-valve, compact combustion chamber.
features a compact “pent-roof” combustion chamber design for optimum combustion
maximum breathing efficiency for excellent power output
Lightweight titanium intake valves & load-reduced oval valve springs.
titanium valves reduces reciprocating weight & allows for a higher rpm limit (40% lighter than steel valves)
reduced friction (load reduced) valve springs
faster-revving & smoother power delivery
“Ti” intake valves are 30mm in diameter, steel exhaust valves are 24.5mm
Valve adjustment intervals are every 42,000 kms.
High performance intake & exhaust camshafts
provide outstanding class leading power
cams feature a WPC (Wonder Process Craft) treatment that increases surface hardness for excellent durability & reduced sliding resistance
Downdraft-type straight design intake port.
most efficient intake flow for maximum engine performance
Automatic, hydraulic cam chain tensioner.
reduces maintenance & mechanical engine noise
special cam chain “sliders” reduce internal frictional losses
Lightweight roller bearing style crankshaft.
optimized mass delivers excellent throttle response & strong acceleration
Compact, liquid-cooled, 249cc, piston-reed-valve-inducted, 2-stroke engine
Smooth shifting, 6-speed, close ratio transmission
Keihin PWK38S carb with 4-petal carbon fiber reeds
Yamaha’s patented YPVS exhaust power valve system
Lightweight, aluminum, semi-double-cradle frame with detachable rear subframe
Fully adjustable KYB suspension
270 mm front & 245 mm rear disc brakes
Adjustable aluminum handlebar & titanium foot pegs
Aggressive, modern styling
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Shop Hully Gully for a huge selection of Motorcycles, ATVs, Snowmobiles, Boats & Marine Products, Power Equipment & all things PowerSports! We service all makes and models of everything we sell to protect your investment and ensure your powersport vehicle is ready for fun when you are! Have questions? Visit us in-store or contact us today!