Suzuki RM-Z250 - 2025 Specifications and Reviews

The 2025 Suzuki RM-Z250 is a competitive 250cc four-stroke motocross bike engineered for intermediate to advanced riders seeking lightweight agility and reliable performance on the track. Featuring a fuel-injected single-cylinder engine with advanced DOHC technology and liquid cooling, it delivers consistent power across the rev range with excellent handling characteristics. Known for its proven race-winning platform and accessible price point, the RM-Z250 remains a top choice for amateur racers and serious enthusiasts.

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General information

Color OptionsChampion Yellow
PriceUS$ 8199. MSRP depends on country, taxes, accessories, etc.
CategoryCross / motocross

Engine and Transmission Specifications

StartingKick
ClutchWet multi-plate
Final DriveChain (final drive)
Gearbox5-speed
Cooling SystemLiquid
IgnitionCDI
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
InductionInjection. Dual-injector type
Valves Per Cylinder4
Bore x Stroke77.0 x 53.6 mm (3.0 x 2.1 inches)
Compression Ratio13.8:1
Engine DetailsAluminum cylinder with Suzuki Composite Electrochemical Material (SCEM) coating
Capacity:249.0 ccm (15.19 cubic inches)
 
 

Physical measures and capacities

Fuel Capacity6.30 litres (1.66 US gallons)
Wheelbase1485 mm (58.5 inches)
Ground Clearance330 mm (13.0 inches)
Overall Width835 mm (32.9 inches)
Overall Length2185 mm (86.0 inches)
Overall Height1255 mm (49.4 inches)
Seat Height955 mm (37.6 inches) If adjustable, lowest setting.
Wet Weight106.0 kg (233.7 pounds)

Suzuki RM-Z250 dimensions and frame

Rear BrakesSingle disc
Brake Disc Diameter270 mm (10.6 inches)
Front BrakesSingle disc. Twin piston
Rear Tyre100/90-19
Front Tyre80/100-21
Rear SuspensionSingle unit, link type, coil spring, oil damped, adjustable spring preload and damping force
Front SuspensionInverted telescopic, coil spring, oil damped, adjustable damping force
FrameAluminum alloy, twin-spar
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fork tube size48 mm (1.9 inches)
Sprockets13/50 (front/rear)
Chain links114
Chain size520
Spark plugsNGK CR8EIB-10
Brake fluidDOT 4
Oil filterHiFloFiltro - HF207
Engine oilSAE 10W-40
Update specsReport missing specs or required updates.
CommentsSmartphone connectivity. Traction control. Launch control.
WarrantyNo warranty
DrivelineDID 520DMA4K, 114 links
Lubrication systemSemi-dry sump
Engine typeSingle cylinder, four-stroke
Year2025
Motorcycle nameSuzuki RM-Z250

Performance Profile & Rider Fit

Best For

Track90%
City10%
Cornering88%
Daily Riding10%
Touring12%
Passenger5%

Rider Profile

Best ForThis is a competition motocross machine best suited to intermediate and advanced off-road riders who already understand how to manage a high-strung, kick-start-only race bike.
PurposeBuilt purely for motocross track riding and racing, not for commuting, road use, or general recreational riding.
Rider FitTall 955mm seat height, no electric start, and a stiff, aggressive suspension setup demand good rider fitness, strong legs, and confident bike control.
CharacterA lightweight, single-cylinder four-stroke racer with a peaky powerband and razor-sharp handling designed for jumps, berms, and hard acceleration out of corners.
Not Ideal ForNot suitable for riders wanting a comfortable daily commuter, a passenger-friendly bike, or a long-distance touring machine.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2025 Suzuki RM-Z250 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 955mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2025 Suzuki RM-Z250, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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