GENERAL INFORMATION
RS 125
1.6.5. TECHNICAL
DATA
DIMENSIONS
Max. length
1950 mm
Max. length (with the optional rear mudguard extension).
2005 mm
Max. width
720 mm
Max. heigth (front part of the fairing included)
1135 mm
Seat height
805 mm
Wheel base
1345 mm
Min. ground clearance
163 mm
Weight ready for starting (fuel and fluids included)
139 kg
Seats 2
Vehicle max. load (rider + pas luggage)
180 kg
ENGINE
Type
Single-cylinder, two-stroke, with reed intake system.
Separate lubrication with automatic mixer at variable
strength (1.0 – 3.0 %).
Number of cylinders
1
Total displacement
124.82 cu. cm
Bore/stroke
54 mm /54.5 mm
Compression ratio
12.5 ± 0.5: 1
“Squish” 1.5
mm
Engine idling rpm
1250 ± 100 rpm
Max. rotation speed rpm
11000 ± 100 rpm
Ignition
CDI with electronic timing
Starting electric
Ignition advance
12° ± 2° at 2000 rpm
Clutch
Multidisc in oil bath, with manual control on the left side of
the handlebar
Gearbox
Mechanical, 6 gears with foot control on the left side of the
engine
Gearbox oil
600 cu. cm
Gearbox oil (FP)
600 cu. cm
Gearbox lubrication
Splash lubrication
Lubrication system
Separate lubrication with automatic mixer at variable
strength (1.0 – 1.3%)
Mixer oil (with reserve)
1.4 l
Mixer oil reserve
0.35 l
Air cleaner
Sponge-type
Cooling system
Liquid-type
Coolant
0.8 l (50% water + 50% coolant with ethylene glycol)
Coolant pump capacity (with open thermostat)
20 l/min. at 10000 rpm
Thermostat starts opening at:
70°
Dry engine weight
24 kg
TRANSMISSION
GEAR RATIOS
Ratio
1
st
2
nd
3
rd
4
th
5
th
6
th
Primary
19/63 = 1: 3.315
Secondary
10/30 = 1: 3.000
14/29 = 1: 2.071
17/27 = 1: 1.588
19/25 = 1: 1.316
21/24 = 1: 1.143
22/23 = 1: 1.045
Final ratio
17/40 = 1: 2.353
Total ratio
1: 23.406
1: 16.161
1: 12.391
1: 10.266
1: 8.916
1: 8.156
Drive chain
With joint link
1 - 17
Summary of Contents for RS 125
Page 7: ...GENERAL INFORMATION RS 125 GENERAL INFORMATION 1 1 1 ...
Page 30: ...GENERAL INFORMATION RS 125 1 24 ...
Page 31: ...ROUTINE MAINTENANCE RS 125 ROUTINE MAINTENANCE 2 2 1 ...
Page 88: ...ROUTINE MAINTENANCE RS 125 2 58 ...
Page 89: ...LUBRICATION RS 125 LUBRICATION 3 3 1 ...
Page 92: ...LUBRICATION RS 125 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK 3 4 ...
Page 93: ...FUEL SYSTEM RS 125 FUEL SYSTEM 4 4 1 ...
Page 103: ...COOLING SYSTEM RS 125 COOLING SYSTEM 5 5 1 ...
Page 111: ...ENGINE RS 125 ENGINE 6 6 1 ...
Page 118: ...ENGINE RS 125 Generator 5 Pick up 6 ECU ground 7 Neutral light switch 8 6 8 ...
Page 123: ...ENGINE RS 125 ECU ground 6 Pick up 7 Generator 8 Starter motor 9 6 13 ...
Page 127: ...ENGINE RS 125 6 3 2 SPECIAL TOOLS Exhaust valve extractor ROTAX part no 277 445 6 17 ...
Page 133: ...CHASSIS 7 1 RS 125 CHASSIS 7 ...
Page 238: ...CHASSIS 7 106 RS 125 Pull the shock absorber in a downward motion to remove ...
Page 245: ...ELECTRICAL SYSTEM 8 1 RS 125 ELECTRICAL SYSTEM 8 ...
Page 274: ...ELECTRICAL SYSTEM 8 30 RS 125 8 16 WIRING DIAGRAM 8 16 1 WIRING DIAGRAM ...
Page 276: ...ELECTRICAL SYSTEM 8 32 RS 125 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...
Page 277: ...TROUBLESHOOTING INFORMATION RS 125 TROUBLESHOOTING INFORMATION 9 9 1 ...
Page 285: ...TROUBLESHOOTING INFORMATION RS 125 FUEL SYSTEM HOSES OIL TUBES B F E G H I 9 9 ...
Page 286: ...TROUBLESHOOTING INFORMATION RS 125 CLUTCH CABLE M L COLD START CABLE N I 9 10 ...
Page 287: ...TROUBLESHOOTING INFORMATION RS 125 THROTTLE CABLE A O H I 9 11 ...
Page 288: ...TROUBLESHOOTING INFORMATION RS 125 COOLING SYSTEM P Q 9 12 ...
Page 289: ...TROUBLESHOOTING INFORMATION RS 125 R T S 9 13 ...
Page 290: ...TROUBLESHOOTING INFORMATION RS 125 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK 9 14 ...