The Honda CRF250X runs a liquid cooled, 249cc, 78mm x 54mm bore and stroke, single four-stroke power plant. Despite virtually every other manufacturer going for a twin-cam layout, the entire CR range is served by the Unicam four valve design.
No 250 four-stroke has enough torque to allow a rider to linger around 6000 rpm, not even the 2017 Honda. The 2018 model’s working range is from about 9000 rpm up. Unlike the KTM, the new Honda encourages you to shift before you hit the redline.
The 2018 Honda CRF250R is an incredible bike and is unquestionably the best 250 four-stroke motocross bike Big Red has ever produced. The all-new engine revs to the moon and loves to be ridden in Yoshimura RS-9T Honda CRF250R Features: The RS-9T cans utilize a tapered design like the stock Honda system for more compact layout. The complete stainless system weighs 1.2 pounds less than stock, while the titanium system shaves off nearly three pounds.The CRF250R’s 249.9cc DOHC engine adds extra low-down punch to its amazing mid-range and top-end hit, thanks to improved intake efficiency and single-muffler exhaust. Detail work around the cylinder head boosts oil flow and high-rpm valve timing accuracy, the piston and con-rod have been optimised, the clutch now has 9 plates and the gearbox
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