Engine and Transmission
Displacement: 249cc
Type: 4-stroke, liquid-cooled, DOHC
Bore Stroke: 77.0 mm (3.03 in) x 53.6 mm (2.11 in)
Compression Ratio: 13.4 : 1
Fuel System: KEIHIN FCR37MX
Lubrication: Semi-dry sump
Ignition: Electronic ignition (CDI)
Transmission: 5-speed constant mesh
Final Drive: D.I.D 520DMA2, 112 links
Chassis and Dimensions
Suspension Front: Upside-down telescopic fork
Suspension Rear: Swingarm type
Brakes Front: Disc brake
Brakes Rear: Disc brake
Tires Front: 80/100-21 51M, tube type
Tires Rear: 100/90-19 57M, tube type
Fuel Tank Capacity: 7.0 L (1.8/1.5 US/Imp gal)
Overall Length: 2165 mm (85.2 in)
Overall Width: 830 mm (32.7 in)
Overall Height: 1260 mm (49.6 in)
Seat Height: 955 mm (37.6 in)
Ground Clearance: 350 mm (13.8 in)
Wheelbase: 1465 mm (57.7 in)
Curb Weight: 102 kg (225 lbs)
Engine
KEIHIN FCR37MX Carburetor with bat-wing type air guide plates delivers better mid-to-high power output while improving low throttle opening response
Compact 249cc, 4-stroke, liquid-cooled, DOHC, 4-valve engine - designed for maximum performance and light weight
Advanced 4-valve cylinder head design with narrow included valve angle and titanium valves, plus new pent roof combustion chamber design for improved combustion efficiency
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
Hot starter on the right hand side of the handlebar just like Ricky Carmichael’s Championship winning RM-Z450.
Automatic decompression system for easy kick starting
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
Twin spar aluminum alloy frame is designed for strength and ample shock-absorption feel, contributes to agile handling and performance through the whoops
Swingarm with lightweight construction for efficient traction, especially over the whoops
Gripper seat with projected cross-shaped patterns on top surface provides additional grip
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
Gold-colored chain and axle blocks give a full factory look
Race inspired disc rotors provide better cooling performance and increased mud deflection in muddy conditions.
Foot pegs include optimized clearance between the mounting bracket and footrest to prevent mud from caking up
Renthal tapered aluminum handlebars with Renthal-labeled handlebar pad for reduced vibration and improved rider feel
On-the-fly clutch lever adjuster mounted to the clutch lever perch for rider convenience
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