Yamaha WR tech info


Yamaha WR description
2014 Yamaha WR450F, 2014 Yamaha WR450F YZ250F STYLE CHASSIS + 450 FI ENGINE = PERFECTION The WR450F features a powerful and reliable, high-revving, five-titanium-valve engine with fuel injection, YZ250F-bred advance aluminium frame, latest generation YZ forks and shocks, and slim bodywork provides awsome light weight handling and open-class power Key Features A YZ-bred advanced aluminum frame carefully engineered from castings, forgings and extrusions enhances handling while retaining legendary Yamaha feel and characteristics. Highly evolved five-titanium-valved engine starts with the push of a button. Highly functional digital enduro computer offers speedometer, clock, tripmeter, etc., in basic mode or pace management functions such as timer, distance-compensating tripmeter, average speed, etc., when switched to race mode. The WR450F is green sticker approved for California. Engine 449cc liquid-cooled DOHC four-stroke with five titanium valves delivers more broad power than ever, with high over-rev capacity and crisp, linear throttle response. Fuel injection system delivers quick throttle response and smooth power delivery at nearly all altitudes and temperatures. Special crank balance factor and AC generator provide super-smooth running. A piston oil-jet provides increased cooling for long life. Dry-sump lubrication system carries the oil reservoir inside the engine cases, for excellent mass centralization and simplified plumbing. Digital TCI ignition system delivers precise spark and monitors engine speed to provide optimal timing for fast, strong response during hard acceleration. Large-capacity radiators with reinforcements provide maximum cooling efficiency with great strength. Wide-ratio five-speed transmission uses strengthened gears and YZ450F-spec multiplate clutch good for quick-hitting power in the woods, as well as eye-opening top-end power. Lightweight exhaust system maximizes engine power. Aluminum muffler with USFS-approved spark arrestor looks trick and keeps things light. Works-style clutch lever features oversize barrel adjuster for easy, on-the-fly adjustability of lever/cable play. Electric start provides easy restarts. Chassis / Suspension YZ250F-inspired frame makes for a compact size while optimizing mass centralization. With its extensively tested assembly of aluminum forgings and extrusions, the WR frame retains legendary Yamaha handling and response. Compact YZ250F-based chassis provides a lightweight feeling with plush suspension performance for the most demanding rider. Removable aluminum rear subframe is constructed of square-section tube. Fully adjustable YZ-based KYB air/oil-separate 48mm cartridge-type fork delivers precise, fade-free handling; fork protectors provide excellent tube protectio
Yamaha WR for Sale
2013 yamaha wr250f ($6,990)
2013 yamaha wr250f ($6,990)
2013 yamaha wr250r ($6,690)
2013 yamaha wr250f ($6,145)
2013 yamaha wr250r ($5,999)
2013 yamaha wr250 r (US $)
Moto blog
What We Ain’t Getting: Yamaha Race-Blu Livery for R1, R6 and R125
Thu, 13 Sep 2012We reported earlier today Yamaha Motor USA unveiled new colors and graphics for its 2013 YZF-R1 and YZF-R6. Mechanically unchanged from last year’s models, Yamaha‘s two sportbikes each get three color options including a “Team Yamaha” blue and white model. What Yamaha isn’t offering to its U.S.
Catalina Island (California) Grand Prix Slated for 2010 Return [video]
Wed, 26 May 2010The Catalina Grand Prix was last run in 1958 on Santa Catalina Island, an island community situated approximately 22 miles south-southwest of greater Los Angeles. Efforts by the AMA, AMA District 37, Big6 (a smaller collection of clubs within the D-37 region) and promotional company My Cuz Vinnie Promotions LLC, have secured December 3-5, 2010 as dates for the event, with a 100-mile professional race held on the 5th. In 2008 vintage motorcycles were displayed on Crescent Ave.
AMA Supercross: 2012 New Orleans Results
Mon, 16 Apr 2012Ryan Villopoto has already secured the 2012 AMA Supercross Championship but that doesn’t mean he’s ready to let up and take it easy over the remainder of the season. The Monster Energy Kawasaki racer clinched his second consecutive title two weeks ago in Houston, Texas, but he continued his dominance in AMA Supercross’ return to New Orleans’ Superdome, taking the holeshot and leading all 20 laps for his ninth win of the season in 14 rounds. The New Orleans round may have lacked some big names currently nursing injuries such as Ryan Dungey, James Stewart and Chad Reed, but Villopoto provided a star effort in the first AMA Supercross race in the city since 2009.
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