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
A crater looking for a grid reference?
Tue, 28 Sep 2010THIS IS the 'Black Devil' - the latest traffic jam-busting, kamikaze two-wheel nutcase who seems to have little respect for not only his own life but eveyone else on the road, too. The rider in question has filmed himself tearing up Moscow's roads in a suicidal fashion, diving between lines of traffic in a bid to impress viewers of his hi-speed antics aboard a Yamaha R1. If he keeps this kind of activity up expect a report on his untimely demise sometime in the near future.
AMA Supercross: 2012 Arlington Results
Tue, 21 Feb 2012Defending champion Ryan Villopoto won his third consecutive AMA Supercross race in Arlington, Texas, but the victory was overshadowed by a season-ending injury suffered by one of his main challengers Chad Reed. TwoTwo Motorsport Honda‘s Reed trailed Villopoto in second place for the first six laps at Cowboys Stadium. Disaster struck on Lap 7 however as Reed crashed hard in the whoops.
Concept Motorcycles Galore
Fri, 21 Oct 2011This concept Honda is the work of French designer Benoit Vignot. You can see this and other images by Vignot in a Core77.com blog post dated Oct. 21, 2011.
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