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Tuono 125 Euro 4
APRILIA Tuono 125 Euro 4 User Manual
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ALL TRACES OF THE OLD THREAD-LOCK SEALANT
HAVE BEEN ELIMINATED.
Front brake pads
Removal
•
Working on the front brake calliper, on
the left side of the vehicle, unscrew and
remove the two screws fixing the brake
calliper.
•
Remove the seeger ring.
•
Remove the fastening pin of the brake
pads.
RS 125 - Tuono 125 - Euro 4
Braking system
BRAK SYS - 299
298
300
Table of Contents
The Value of Service
2
Index of Topics
5
Safety Rules
7
Maintenance Rules
8
Serial Number Location
11
Chassis Number
11
Engine Number
11
Fuel System
14
Tightening Torques
14
Front Side
15
Front Lights
15
Handlebar and Controls
22
Clutch Control
26
Abs System
39
Back Side
40
Rear Wheel
41
Rear Lights
42
Electrical Components
44
Throttle Body
46
Filter Box
47
Clutch Cover
48
Flywheel Cover
49
Timing System
49
Water Pump
51
Oil Pump
52
Gear Selector
52
Engine Crankcase
53
Ignition Unit
54
Overhaul Data
56
Assembly Clearances
56
Index of Topics
57
Special Tools
57
Maintenance
63
Scheduled Maintenance Table
64
Recommended Products
66
Spark Plug
67
Engine Oil
67
Engine Oil Filter
70
Air Filter
70
Cleaning Air Filter
71
Braking System
71
Clutch System
73
Adjusting the Lever
74
Electrical System
75
Electrical System Installation
77
Main Wiring Harness
92
General Wiring Diagram
105
Checks and Inspections
107
Ignition Circuit
112
Recharging System
113
Resistance Measurement
114
Checking the Starter Motor
118
Horn Control
119
Speed Sensor
125
Engine Rpm Sensor
129
Engine Temperature Sensor
130
Lambda Sensor
131
Fuel Pump
134
Engine Oil Pressure Sensor
137
RUN/STOP Switch
142
Index of Topics
152
Engine from Vehicle
152
Vehicle Preparation
153
Removing the Engine from the Vehicle
153
Index of Topics
165
Gearbox Shafts
168
Starter Motor
174
Removing the Starter Motor
175
Generator Side
175
Removing the Stator
178
Removing the Clutch Cover
181
Disassembling the Clutch
182
Specific Tooling
182
Checking the Clutch Plates
183
Checking the Clutch Housing
184
Assembling the Clutch
185
Bearing Removal
192
Right Crankcase
193
Crankcase Check
193
Removing the Head Cover
200
Cylinder Head
202
Removing the Valves
204
Valve Check
206
Checking the Cylinder Head
209
Installing the Valves
210
Specific Tooling
210
Checking the Chain
211
Removing the Cylinder
211
Disassembling the Piston
212
Checking the Piston
213
Anelli DI Tenuta
215
Fitting the Piston
216
Base Gasket Selection
217
Installing the Cylinder Head
217
Index of Topics
223
Power Supply
223
Circuit Diagram
224
Removing the Throttle Body
228
Front Suspension
230
Removing the Front Wheel
233
Checking the Front Wheel
234
Front Wheel Bearings
234
Installing the Front Wheel
235
Front Fork
236
Removing the Fork Legs
236
Disassembling the Fork
236
Checking the Components
239
Installing the Fork Legs
242
Removing the Rear Wheel
243
Checking the Rear Wheel
245
Checking Rotation
245
Wheel Axle
245
Wheel Rim
245
Installing the Rear Wheel
246
Shock Absorbers
247
Rear Suspension
247
Index of Topics
249
Swinging Arm
251
Drive Chain
254
Specific Tooling
257
Chain Tensioner
259
Brake Lever
264
Gear Lever
267
Side Stand
268
Removing the Exhaust Manifold
271
Index of Topics
272
Braking System
272
Rear Braking System
274
Abs System
276
Operating Diagram
278
Abs Operation
279
Contact Technical Service
288
Braking System
291
Configuration Errors
293
Rear Brake Calliper
294
Front Brake Calliper
295
Rear Brake Disc
295
Disc Inspection
296
Front Brake Disc
297
Front Brake Pads
299
Rear Brake Pads
300
Changing the Brake Fluid
303
Front Brake Pump
304
Rear Brake Pump
306
Index of Topics
309
Cooling System
309
Electric Fan
312
Coolant Replacement
312
Specific Tooling
314
Removing the Radiator
316
Removing the Expansion Tank
318
Installation
319
Instrument Panel
337
Headlight Fairing
341
Passenger Footrest
348
Side Body Panels
349
Side Fairings
349
Rear Mudguard
359
Lower Cowl
359
Radiator Cover
364
Static Test
373
Functional Inspection
373
Shift Sensor
374
5
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APRILIA Tuono 125 Euro 4 Specifications
General
Brand
APRILIA
Model
Tuono 125 Euro 4
Category
Motorcycle
Language
English
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