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Suzuki RM250 - Vehicle Specifications

Suzuki RM250
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SERVICING INFORMATION 18-21
SPECIFICATIONS
DIMENSIONS AND DRY MASS
Overall length ...................................................... 2 170 mm (85.4 in)
Overall width........................................................ 830 mm (32.7 in)
Overall height ..................................................... 1 280 mm (50.4 in)
Wheelbase .......................................................... 1 465 mm (57.7 in)
Ground clearance................................................ 350 mm (13.8 in)
Seat height .......................................................... 950 mm (37.4 in)
Dry mass............................................................. 96 kg (212 lbs)
ENGINE
Type..................................................................... Two-stroke, liquid-cooled
Intake system ...................................................... Piston reed valve
Number of cylinders ............................................ 1
Bore..................................................................... 66.4 mm (2.614 in)
Stroke.................................................................. 72.0 mm (2.834 in)
Piston displacement ............................................ 249 cm
3
(15.2 cu. in)
Corrected compression ratio ............................... 8.6 : 1 (EX VALVE OPEN)
10.4 : 1 (EX VALVE CLOSE)
Carburetor ........................................................... KEIHIN PWK38S, single
Air cleaner ........................................................... Polyurethane foam element
Starter system..................................................... Primary kick
Lubrication system .............................................. Fuel/oil premixture of 30 : 1
TRANSMISSION
Clutch .................................................................. Wet multi-plate type
Transmission ....................................................... 5-speed constant mesh
Gearshift pattern ................................................. 1-down, 4-up
Primary reduction................................................ 3.000 (63/21)
Final reduction..................................................... 3.846 (50/13)
Gear ratios, Low ................................................. 1.800 (27/15)
2nd.................................................. 1.470 (25/17)
3rd................................................... 1.210 (23/19)
4th................................................... 1.000 (21/21)
5th................................................... 0.869 (20/23)
Drive chain .......................................................... D.I.D. 520DMA2, 114 links

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