The 250SX has a 66.4mm bore with a 72mm stroke, while the 300SX shares the same bottom end, but its bore and stroke measures at 72mm x 72mm. The bigger bore adds up to an extra 43cc to make the 300SX a 293cc. Read More...
When you want to build an old two-stroke engine, you call Tom Morgan. When you want to put it into a modern-day aluminum frame, you call A.J. Waggoner Read More...
There is no time limit on the love between a man and his first two-stroke—and when a two-stroke has been in production since 1974, like the YZ125/YZ250, it has a devoted congregation hoping to pay homage to the past with their own Yamaha… Read More...
No carburetor, no main jets, no needles, no clips and no pilot jets are joined by the acronyms EFI, ECU, EMS, CDI, TPS, TPI and TBI. This isn't you granddad's two-stroke Read More...
Thinking about switching to a smoker? The market for two-strokes is flush with race bikes built for riders as young as 4 years old all the way up to senior citizens Read More...
MXA's "Versus Series" answers the question that you want an answer to. This episode pits the 2023 KTM 300SX fuel-injected, electric start motocross model against the 2023 Husqvarna TC250 fuel-injected, electric start motocross model Read More...
Zach Osborne's factory TC300 big-bore two-stroke was a joy to ride. We explain which parts you can buy, which parts you can't buy and how it worked on the track here Read More...
The silver frame and wheels, black engine, yellow Decal Works backgrounds and red and chrome shrouds pay homage to the vintage Husqvarnas of the 1960s, 1970s and 1980s Read More...
"I had a few moments of brilliance — one of them was almost passing my childhood hero, Mike Brown, and having him flip me off after I revved my engine behind him." Read More...
Dick's 300 two-stroke was ultra-strong because it revved instead of signing off. The powerband had a much wider range and things that had to happen in a hurry on the stock 300 engine now carried on considerably higher in the rev range Read More...