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Moto blog

KTM Presents 250cc Moto3 Engine

KTM revealed its new 250cc four-stroke engine that will be used in the Moto3 World Championship which is set to replace the 125cc class in 2012. The single cylinder engine is all new and not a repurposed motor from KTM‘s 250cc offroad engine portfolio and is said to weigh just 55 pounds. Official specs were not released, but Moto3 regulations dictate a maximum bore of 81mm, a rev limit of 14,000rpm.

Moto3 proves its worth at Assen

Describing the action in the Moto3 race as ‘edge of the seat’ would be doing it a disservice as the train of battling riders did more than prove the worth of the 250cc four-stroke singles that were introduced this season. For the entirety of the 22 lap race the fighting was full of gasp-filled moments, in the first half of the race the top 20 were all in the same camera shot and covered by less than 2.5 seconds. Towards the end there was a breakaway group of five riders; Maverick Vinales, Sandro Cortese, Danny Kent, Luis Salom and Louis Rossi.

Off-Road Motorcycle and Free-Ride Bicycle Compared

What if anything do bicycles and motorcycles have in common? Besides the whole two-wheel thing, it isn’t outright apparent that these two “handle-barred beasts” share more than ancient ancestry. Modern Off-road motorcycle and Free-ride bicycle designs side-by-side illustrate how much technology the two have in common.