19-20 SERVICE DATA
SPECIFICATIONS
DIMENSIONS AND DRY MASS
Overall length ....................................................... 2 175 mm (86.5 in)
Overall width ........................................................ 840 mm (33.1 in)
Overall height ...................................................... 1 280 mm (50.4 in)
Wheelbase ........................................................... 1 470 mm (57.9 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 ................................ 8.8 : 1 (EX VALVE OPEN) and 10.6 : 1
(EX VALVE CLOSE)
Carburetor............................................................ KEIHIN PWK38PWJ/TPS, 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)
or 5th ............................................... 0.869 (20/23)
Drive chain ........................................................... D.I.D. 520DM, 114 links
Summary of Contents for RM 250 2003
Page 1: ...OWNER S SERVICE MANUAL...
Page 61: ...6 2 KICK STARTER CONSTRUCTION 10 N m 1 0 kgf m 7 0 lb ft 23 N m 2 3 kgf m 16 5 lb ft...
Page 85: ...9 2 FUEL SYSTEM CONSTRUCTION 4 5 N m 0 45 kgf m 3 25 lb ft...
Page 100: ...10 2 COOLING SYSTEM CONSTRUCTION 5 5 N m 0 55 kgf m 4 0 lb ft 10 N m 1 0 kgf m 7 0 lb ft...
Page 198: ...18 TROUBLESHOOTING 18 1 CONTENTS TROUBLESHOOTING TROUBLESHOOTING 18 2 ENGINE 18 2 CHASSIS 18 5...