Spesifikasi YAMAHA WR450F

Yamaha Motor Co., Ltd. installed a 450 cc water-cooled 4-stroke DOHC, 5 valve, FI engine on an aluminum frame, and has a domestic specification of the enduro competition model "WR 450 F" that has excellent turnability, running performance, and ease of setting Will be released on June 30, 2012, with a reservation period limited (period-to-order production). This "WR450F" developed on the concept of "The Real Enduro Racer Best in tight trail riding!" And embodied "easy-to-handle engine characteristics" "quick turnability" "easy setting" We modeled the performance of high-level running in a novel style.In addition, it can bundle a portable type "Power Tuner" that does not require a personal computer and can easily enjoy the setting of FI in every situation.This product will be sold at "Yamaha Off-Road Competition Model Regular Handling Store". [Main features] 1) 450 cc water-cooled 4-stroke DOHC 5 valve engine that uses high power and easy handling required for water cooled DOHC 5 valve 450 cc engine enduro was adopted .We adopted a primary balancer to derive low vibration and ease of handling, harmonized with high strength connecting rod, high strength piston and crank inertia mass, and we are drawing out excellent power feeling unique to large displacement.The lubrication system is a dry sump type with an oil tank inside the crankcase, contributing to concentration of mass by a simple design without pipes. 2) "Power Tuner" compatible FI Even in the ever-changing environments of ever-changing environments, we adopted FI for fuel supply to bring out superior performance.We tried to reduce weight by using a small type fuel pump of the same type as YZ450F.By adopting this FI, it is basically unnecessary to adjust the engine according to changes in outside temperature, humidity, altitude, etc. Also designed according to course situation and preference, FI setting can be easily done.Using the enclosed "Power Tuner", you can adjust the fuel injection amount map and the ignition timing map.Just by connecting the car with a coupler, you can enjoy the setting without having to bring the computer to the enduro course 3) Adoption of aluminum frame We adopted aluminum bilateral beam frame.Frame for 2012 type "YZ250F"