The 250cc four-stroke engine sees a host of new updates including "a 1.5mm narrower pitch for the intake valves and increased clearance at the valve seats" which are claimed to increase efficiency and improve combustion. For reliability purposes, the intake valves are now 1mm smaller to go along with the narrower pitch. Retail price is KTM didn't want to raise new two-stroke prices to $10,000—no matter how good they would be. Honda CRF450 and Kawasaki KX250 are not much of a threat to SSS dominance. Tuned for race-experienced riders, the 2024 KX250 is powered by a 249cc liquid-cooled, four-stroke engine that is designed to achieve strong performance across the rev-range and result in quick lap times and excellent holeshot performance. The KX250 continues to utilize the finger-follower valve actuation - a valve train designed by Kawasaki 1998 Kawasaki Kx 250, rebuilt top end with seals, new pistons and rings, rear axle bearings replaced, racing clutch basket, clutch system replaced, New monster seat cover. 1998 KX 2-stroke 250 All original miles 1 owner, fast bike,new graphics kit and air filter Request Price . Severna Park, Maryland. Year 2017 . Make Kawasaki. Model KX Wiseco Top End Piston Gaskets Rebuild Kit 1993-01 Kawasaki KX250 2-Stroke 66.40 (Fits: 1997 Kawasaki KX250) Brand New : Wiseco (14) 14 product ratings - Wiseco Top End Piston Gaskets Rebuild Kit 1993-01 Kawasaki KX250 2-Stroke 66.40 FMF Factory 4.1 RCT Exhaust Megabomb Full System for 2017-2020 Kawasaki KX 250 F (Fits: Kawasaki KX250) Fast and Reliable Seller- ebay Business Award Winner. $1,139.99. Free shipping. For Kawasaki KX250 KX 250 92-01 Rebuild Top & Bottom End Engine Kit Crank Piston (Fits: 2001 Kawasaki KX250) Brand New. $359.00. Top Rated Plus. Free shipping. or Best Offer. Only 1 left! Can they get it back? Will the 2004 KX250 win an Oscar? Q: IS THE 2004 KX250 ENGINE FASTER THAN LAST YEAR? A: Yes. But let's not get too misty about the 2004 KX250 being faster than the '03 Kawasaki motorcycles would soon become well known around the world, and very popular amongst consumers. Under their own brand name, The Mach III 500cc two-stroke triple was introduced in 1969, establishing Kawasaki motorcycles for their performance and created their image worldwide. In 1973, they launched the four-cylinder 900cc Z1 and became Putting Power to the Ground. While the KX250 features F21"/R19" aluminium rims, the KX250X uses a F21"/R18" combination that facilitates putting power to the ground. Dunlop AT81 enduro-type tyres complement the KX250X-specific wheels and are well-suited to the situations encountered in cross-country riding. CROSS-COUNTRY WHEELS AND TYRES. Yd5A.