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Two Stroke

WE TEST THE 2005 YAMAHA YZ250

Yamaha spent millions of dollars on the development of the most advanced two-stroke motocross bike in motocross history at the exact moment when two-stroke sales hit the dumpster

MXA MOTOCROSS RACE TEST: 2018 KTM 85SX

Every rider underestimated the power of the small but mighty engine. This is a racer’s bike. It doesn’t have much bottom end, but once it hits the midrange, it explodes with power.

WE TEST THE 2004 KTM 125SX

For the record, the KTM 125SX has the best two-stroke engine in the class. It puts most Japanese bikes to shame on the dyno, in first turn drag races, and up hills.