Honda xr 400 specs




Honda xr 400 specs

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  • Dirt Rider's first multiple-bike Hour test was based around the pound Honda XRR. It was a great bike then; the only cc four-stroke of the time with.

    The new XR four stroke is, according to Honda, the future of dirt bikes. While we didn't have a chance to compete on the XR we did subject the machine.

    In this post we put the Honda XR up against the Suzuki DR-Z to While we are talking weight, the XR comes in at a respectable

    Honda xr 400 specs

    Honda xr 400 specs

    Power delivery is strong and smooth right off the line and through the midrange, and the lone 36mm Keihin does a fine job of aspirating the cc engine well into the upper rpm's. Our test bikes both came equipped with identical Dunlop tires - K in front and K holding up the rear. No need to remember the Alamo, just think back to when three-wheelers were on showroom floors. The XR stacks up well against the new machinery. Front Suspension 43 mm leading-axle Showa cartridge fork with position compression and position rebound damping adjustability.

    Honda xr 400 specs

    Honda xr 400 specs

    Honda xr 400 specs

    Honda xr 400 specs

    Honda xr 400 specs

    Piston valve Throttle Bore: Front Suspension 43mm leading-axle Showa cartridge fork with position compression and position rebound damping adjustability. Rear Suspension Pro-Link Showa single shock with spring preload, position compression and position rebound damping adjustability. Rear Brakes Single mm disc 1 piston caliper.

    The new XR four stroke is, according to Honda, the future of dirt bikes. While we didn't have a chance to compete on the XR we did subject the machine to a wide variety of conditions, some of which you probably already ride in or are likely to encounter.

    Honda xr 400 specs

    This included many, many laps at two motocross tracks native to Southern California - Perris Raceway, and Starwest. We threw in some high speed desert riding, a splash of medium speed trail riding and some tight, rocky technical stuff just for fun.

    Winter is Southern California's rainy season, and prime dirt riding time; for the most part the soil was fairly moist, providing for good traction all around. The XR's new kickstart mechanism features taller gearing and an automatic decompression system. This combined with a completely re-mapped CDI results in an open class engine that requires surprisingly little effort to start.

    Honda xr 400 specs

    Wth the choke on and no throttle, a couple of smooth consistent kicks is all. The engine warms up briskly and can be ridden full on in just a few minutes. The XR is also fitted with a manual decompression lever for quickly clearing the cylinders of excess gas after a getoff. Power delivery is strong and smooth right off the line and through the midrange, and the lone 36mm Keihin does a fine job of aspirating the cc engine well into the upper rpm's.

    Peak power is reached at 7, rpm after which the eager motor politely begs to be shifted. Ample mid-range torque is available, making wheelies on the XR easy. Honda credits the XR's wide range of power to a design concept they've been utilizing for over ten years. Due to the positioning of the sub-rocker arm, the rocker arm and valve operate on different planes, and the entire valve train should theoretically last longer. The XR borrows its clutch cover design from the easily-removable CR-type making replacement a snap.

    Shifting is light and precise both on the way up and back down, under load, and while engaged in high speed coasting. Honda attributes the transmission's friendly disposition to a re-designed gear shift cam, a specially polished shift fork guide, and an improved countershaft spline design. We did, however, experience some resistance to shifting after the gearbox heated up.

    Honda xr 400 specs

    While the problem never occurred during high speed riding, or even while engaging in full-spirited trail riding, the XR simply refused to shift above 3rd gear on the motocross track. The problem only popped up when the bike was heavily flogged. We suspect a bent shifting fork but, hey, test bikes live hard lives. Despite temperature related transmission troubles the engine never experienced overheating or noticeable loss of power during our entire test.

    We were a bit surprised to see an air-cooled motor still being offered, especially on a motorcycle that is being touted by Honda as a competition machine. But air is always available, and it's cheap and doesn't weigh anything. In fact the lack of water cooling combined with a dry sump lubrication system keeps the engine weight down to a mere Oil is forced through the system while large cooling fins on the motor, and a futuristic looking oil cooler living under the headlight, are the departure points for heat.

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