twin-sump lubrication system separates the oil supply for the crankshaft piston ... and valve train from the clutch and transmission this ensures a ... cool supply of oil to the clutch eliminates clutch and ... transmission material contamination to the engine oil and reduces the amount of ... circulating oil and the required size of the oil pump compact lightweight engine ... weighs only 30 kg and churns out plenty of useable power across a wide rpm band ... ergonomics are optimised by adapting the handlebar seat and footpeg height to ... place the rider s legs at the narrowest cross-section of the frame ... for improved comfort and handling feel the aluminium frame design is matched to ... control operation fresh from winning the 2006 australian mx championships the ...
crf250r new for 2007 the crf250r offers improvements to the camshaft and ... new intake valve springs to match the fresh camshaft as well as redesigned ... venting for superior engine power the bike s carburettor features new-styled ... for improved throttle response whilst the clutch basket features increased ... changes such as ignition mapping mean the crf250r now has a 13,370 rpm rev limit ... repackable aluminium mufflers improves the lightweight feel of the bike and also ... low-rpm torque like its bigger brother the 250r also offers a twin-sump ... lubrication system that separates the oil supply for the crankshaft piston ... and valve train from the clutch and transmission this ensures a ... cool supply of oil to the clutch eliminates clutch and ...