2010 Suzuki RM-Z250

Championship winning performance…..ready for you now.

Suzuki races to win, period. And, thanks to the hard work of Ryan Dungey in the U.S., the RM-Z250 is the AMA Supercross Lites West Coast and 250 Motocross Champion for 2009. But winning goes beyond the champagne. For the 2010 RM-Z250, Suzuki applied lessons learned on the track to turn up the speed, handling and confidence you’ll get racing every day, anywhere in the world.

Suzuki racing technology is everywhere you look: advanced Suzuki fuel injection is fitted for the first time on a four-stroke 250 cm3 Suzuki motocross machine. Further engine modifications boost peak power without giving up any of the low-end or midrange that has made the RM-Z250 the choice of top riders everywhere. Chassis updates improve handling with key suspension upgrades making the new RM-Z250 the perfect weapon for motocross racers worldwide. And there’s the eye-catching slim, aggressive styling that causes the RM-Z250 stand out at any track.

Think of the 2010 RM-Z250 as the perfect racing package.


•  Suzuki fuel injection is fitted for the first time on a four-stroke 250cm3 Suzuki motocross machine. Derived from the pacesetting RM-Z450’s superlative system, the RM-Z250’s battery-less injection features a 43mm throttle body with progressive throttle linkage, a 16-bit computer and unique capacitor-assisted starting system. A durable, lightweight magneto-generator powers the fuel injection after starting.

•  Improved radiator louvers direct more cooling air to the twin side-mounted aluminum alloy radiators for lower engine temperatures. They are joined to the outer bodywork for increased strength without adding weight.

•  A new, stronger connecting rod and mirror finishing permits maximum engine output to a stunning 13,500 rpm.

•  A new muffler is fitted to optimize the benefits of the all new fuel injection system.

•  For 2010, the RM-Z250’s number plates have a black background.

•  Connecting the 19-inch rear wheel and the lightweight chassis is a new swingarm with an improved center brace for increased rigidity that also more concentrates its mass for enhanced suspension action and greater traction.

•  The RM-Z250’s twin-spar aluminum alloy frame has been redesigned with several key components to optimize rigidity balance and improve traction at high speed. The lower frame tube has thicker walls, 3.0mm versus 2.5mm, while the side rails are slightly shallower.

•  Revised cam timing works in conjunction with updated intake ports to boost power and torque at the top of the power band.

•  Revised spring and damping rates inside the inverted Showa 47mm fork and piggyback single shock result in improved handling. Modifications to the rear suspension linkage that reduce thrust backlash also improve traction and make for more consistent performance.

Engine Features

•  Advanced 4-valve cylinder head design with narrow included valve angle and titanium valves, plus a pent roof combustion chamber design for improved combustion efficiency

•  Automatic decompression system for easy kick starting

•  Compact 249cc, 4-stroke, liquid-cooled, DOHC, 4-valve engine – designed for maximum performance and light weight

•  Convenient hot starter on the right hand side of the handlebar.

•  Lightweight aluminum cylinder with Suzuki Composite Electrochemical Material (SCEM) plating for increased durability, efficient heat transfer and weight reduction

•  Strong, reinforced airbox designed for durability and secure intake seal

•  The Suzuki Advanced Sump System (SASS) features separate oil chambers for the transmission and crankshaft using the transmission as the oil sump, allowing low crankshaft placement, reduced engine height and a low center of gravity

Chassis Features

•  Foot pegs include optimized clearance between the mounting bracket and footrest to prevent mud from caking up

•  Gripper seat with projected cross-shaped patterns on top surface provides additional grip

•  On-the-fly clutch lever adjuster mounted to the clutch lever perch for rider convenience

•  Race inspired disc rotors provide better cooling performance and increased mud deflection in muddy conditions.

•  Renthal tapered aluminum handlebars with Renthal-labeled handlebar pad for reduced vibration and improved rider feel

•  Showa cartridge-style front fork with 47mm inner tube, plus 22 -way compression damping and 12.2 inches of wheel travel

•  Showa piggyback-reservoir rear shock absorber for excellent controlled feel and increased bottoming resistance

•  Swingarm with lightweight construction for efficient traction, especially over the whoops

USA Specifications

2010 Suzuki RM-Z250
MSRP: $7,199 USD


Bore Stroke: 77.0mm (3.03 in) x 53.6mm (2.11 in)

Compression Ratio: 13.4 : 1

Engine: 4-stroke, liquid-cooled, DOHC

Fuel System: Fuel injection

Ignition: Electronic ignition (CDI)

Lubrication: Suzuki Advanced Sump System

Starter: Primary kick


Brakes Front: Disc brake

Brakes Rear: Disc brake

Fuel Tank Capacity: 6.5 L (1.7 US gal)

Ground Clearance: 345 mm (13.6 in)

Overall Length: 2170 mm (85.4 in)

Overall Width: 830 mm (32.7 in)

Seat Height: 955 mm (37.6 in)

Suspension Front: SHOWA 47mm Telescopic forks, pneumatic/coil spring, oil damped

Suspension Rear: Swingarm, link type, SHOWA piggyback-reservoir shock

Tires Front: 80/100-21

Tires Rear: 100/90-19

Transmission: 5-speed constant mesh

Wheelbase: 1475 mm (58.1 in)

Curb Weight: 104.5 kg (230 lbs)

Final Drive: Chain

Color: Solid Black/Champion Yellow

For more discussion on the RM-Z250 go to link

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2010 Suzuki RM-Z250, 8.6 out of 10 based on 23 ratings
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