However, the popularity of four-stroke motocross bikes has been steadily increasing. Due to the increase in popularity and to non-matching displacements of ... - Read more

Innovative design has made Honda’s dual-muffler CRF250R the winner of Transworld magazine’s 250cc four-stroke “Motocross Bike of the Year” for four years in ... - Read more

Fourth in 2004 British four-stroke motocross champs. 14th in 2004 British Open motocross champs. TOM SYKES, 19, Huddersfield, England ... - Read more

Mar 15, 2007 ... The 250XCF-W is the wide-ratio version of the cross-country version of KTM’s 250cc four-stroke motocross bike. It’s just one model in KTM’s ... - Read more

Introducing the all-new RM-Z450, another step toward establishing Suzuki's dominance in four-stroke motocross racing. The RM-Z450 offers supremely balanced ... - Read more

Designed for the latest-high revving four-stroke motocross and ATV engines, as well as for four-cylinder and V-Twin Sportbikes that specify a 10W30 motor ... - Read more

AFTER ALL, THE BIG-BORE FOUR-STROKE MOTOCROSS SEGMENT HAS BEEN A HOT ONE EVER SINCE YAMAHA'S INTRODUCTION OF THE YZ400F BACK IN 1998. ... - Read more

... was very doubtful when the engineers discussed plans to develop a “purpose-built four-stroke motocross YZ”. Imagine the first pilot to fly a jet, ... - Read more

The all-new Suzuki RM-Z250K4 four-stroke motocross weapon is due to arrive in Australia around September 2003, with pricing yet to be announced. ... - Read more

The four-stroke motocross revolution is set to continue with the new small-capacity CRF150. Despite being ‘only’ a 150, the four-stroke punch and power is ... - Read more

If you are racing a lightning quick two-stroke MotCross Bike or a high torque four stroke MotoCross Cycle, we carry a complete line of Amsoil synthetic oils ... - Read more

The reputation of four-stroke motocross bikes have, as a result, suffered unfairly and totally unnecessarily. A slipper clutch would help solve the problem. ... - Read more

Simply put, it's the best four-stroke motocross machine on the market. And it's just about the closest thing you'll find to a full-on factory ride. ... - Read more

... and lightweight chassis, high performance Kayaba suspension, and many other quality features to create the ultimate 250cc four-stroke motocross machine. ... - Read more

Honda's long-awaited four stroke motocross bike exists. Piston ring flutter occurs when the piston rings change direction so quickly that they are forced ... - Read more

This sort of thing can be seen in four stroke motocross bikes which may have only 3 or 4 speeds due to the wide spread of torque and slower top speed ... - Read more

Sep 9, 2006 ... In keeping with the revolutionary CRF450R and CRF250R, Honda’s new CRF150R and CRF150R-Expert four-stroke motocross machines are destined to ... - Read more

That’s about the same as a current 450cc four-stroke motocross bike but with nearly twice the power. Fearless fans of kick-in-the-ass power bands need to ... - Read more

Jan 28, 2008 ... was also a dominant force at Woodville on Sunday, the 23-year-old from Hawera unbeaten in all three 250cc four-stroke motocross races. ... - Read more

Like so many young riders, Hahn grew up racing two-strokes, but will be competing on Honda's CRF250R four-stroke motocross machine. What's it like to switch ... - Read more

Honda CRF450R 2009

A totally deferent feel then the 2008 model.......

[Read more]