FEATURES
1-19
•
Slip ratio:
When the brakes are applied, slipping occurs between the tires and the road surface. This causes a
difference between the wheel speed and the chassis speed.
Slip ratio is the value that shows the rate of wheel slippage and is defined by the following formula.
Slip ratio = (Chassis speed – Wheel speed)/Chassis speed
u
100 (%)
0 %: There is no slipping between the wheel and the road surface. The chassis speed is equal to the
wheel speed.
100 %: The wheel speed is “0”, but the chassis is moving (i.e., wheel lock).
Brake force and vehicle stability
When the brake pressure is increased, wheel speed is reduced. Slipping occurs between the tire and
the road surface and brake force is generated. The limit of this brake force is determined by the friction
force between the tire and the road surface and is closely related to wheel slippage. Wheel slippage is
represented by the slip ratio.
Side force is also closely related to wheel slippage. See figure “A”. If the brakes are applied while keep-
ing the proper slip ratio, it is possible to obtain the maximum brake force without losing much side force.
ABS allows full use of the tires’ capabilities even on slippery road surfaces or less slippery road surfac-
es. See figure “B”.
Wheel slip and hydraulic control
The ABS ECU calculates the wheel speed of each wheel according to the rotation signal received from
the front and rear wheel sensors. In addition, the ABS ECU calculates the vehicle chassis speed and
the rate of speed reduction based on the wheel speed values.
The difference between the chassis speed and the wheel speed calculated in the slip ratio formula is
equal to the wheel slip. When the wheel speed is suddenly reduced, the wheel has a tendency to lock.
When the wheel slip and the wheel speed reduction rate exceed the preset values, the ABS ECU de-
termines that the wheel has a tendency to lock.
If the slip is large and the wheel has a tendency to lock (point “A” in the following figure), the ABS ECU
reduces the hydraulic pressure in the brake caliper. Once the ABS ECU determines that the tendency
of the wheel to lock has diminished after the hydraulic pressure is reduced, it increases the hydraulic
pressure (point “B” in the following figure). The hydraulic pressure is initially increased quickly, and then
it is increased gradually.
b
c
a
A
d
(%)
a
e
f
g
B
d
(%)
a. Friction force between the tire and road sur-
face
b. Brake force
c. Side force
d. Slip ratio
e. Less slippery road surface
f. Controlling zone
g. Slippery road surface
Содержание R1 Series 2015
Страница 1: ...2015 SERVICE MANUAL YZF R1 YZF R1F YZF R1M YZF R1MF 2CR 28197 E0...
Страница 2: ......
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Страница 74: ...SPECIAL TOOLS 1 65...
Страница 105: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 30...
Страница 110: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 35 Crankcase and cylinder right side view...
Страница 112: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 37 Timing chain cover and oil pipe right side view...
Страница 113: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 38 1 Timing chain cover 2 Oil pipe 3 3 Oil pipe 2 4 Crankshaft 5 Crankcase...
Страница 114: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 39 Oil pump and oil cooler bottom view...
Страница 116: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 41 Camshaft and balancer shaft top view...
Страница 117: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 42 1 Cylinder head 2 Exhaust camshaft 3 Intake camshaft 4 Balancer shaft...
Страница 118: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 43 Crankshaft rear view...
Страница 120: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 45 Crankshaft and transmission top view...
Страница 121: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 46 1 Oil pump 2 Main axle 3 Clutch housing 4 Drive axle 5 Oil delivery pipe 3...
Страница 122: ...COOLING SYSTEM DIAGRAMS 2 47 EAS20020 COOLING SYSTEM DIAGRAMS...
Страница 124: ...COOLING SYSTEM DIAGRAMS 2 49...
Страница 126: ...CABLE ROUTING 2 51 EAS20021 CABLE ROUTING Handlebar front view...
Страница 128: ...CABLE ROUTING 2 53 Clutch cable right side view...
Страница 130: ...CABLE ROUTING 2 55 O2 sensor lead right side view...
Страница 132: ...CABLE ROUTING 2 57 Electrical components tray left side view...
Страница 134: ...CABLE ROUTING 2 59 ECU Engine Control Unit left side view...
Страница 136: ...CABLE ROUTING 2 61 Frame top view...
Страница 138: ...CABLE ROUTING 2 63 Frame top view for YZF R1M...
Страница 140: ...CABLE ROUTING 2 65 Frame top view...
Страница 142: ...CABLE ROUTING 2 67 Frame top view...
Страница 144: ...CABLE ROUTING 2 69 Rear fender top view...
Страница 146: ...CABLE ROUTING 2 71 Rear fender left side view...
Страница 148: ...CABLE ROUTING 2 73 Rear brake hose right side view...
Страница 150: ...CABLE ROUTING 2 75 Front brake hose left side view...
Страница 152: ...CABLE ROUTING 2 77 Front brake hose left side view...
Страница 154: ...CABLE ROUTING 2 79 Hydraulic unit assembly top and left side view...
Страница 156: ...CABLE ROUTING 2 81 Fuel tank top and left side view...
Страница 158: ...CABLE ROUTING 2 83 Air filter case and throttle bodies top and left side view...
Страница 160: ...CABLE ROUTING 2 85 Air cut off valve right side view...
Страница 162: ...CABLE ROUTING 2 87 Air duct left and right side view...
Страница 164: ...CABLE ROUTING 2 89 Radiator left side view...
Страница 166: ...CABLE ROUTING 2 91 Radiator right side view...
Страница 168: ...CABLE ROUTING 2 93 Muffler top and left side view...
Страница 170: ...CABLE ROUTING 2 95 CCU top and right side view for YZF R1M...
Страница 172: ...CABLE ROUTING 2 97...
Страница 213: ...PERIODIC MAINTENANCE 3 39 1 1 c b c b...
Страница 214: ...PERIODIC MAINTENANCE 3 40...
Страница 306: ...FRONT FORK for YZF R1 4 89 Refer to ADJUSTING THE FRONT FORK LEGS for YZF R1 on page 3 23...
Страница 472: ...AIR INDUCTION SYSTEM 7 19 EAS20071 AIR INDUCTION SYSTEM...
Страница 478: ...AIR INDUCTION SYSTEM 7 25...
Страница 489: ...IGNITION SYSTEM 8 8...
Страница 497: ...ELECTRIC STARTING SYSTEM 8 16...
Страница 499: ...CHARGING SYSTEM 8 18 1 AC magneto 2 Rectifier regulator 4 Main fuse 19 Battery 20 Engine ground...
Страница 501: ...CHARGING SYSTEM 8 20 1 AC magneto 2 Rectifier regulator 4 Main fuse 19 Battery 20 Engine ground...
Страница 503: ...CHARGING SYSTEM 8 22...
Страница 509: ...LIGHTING SYSTEM 8 28...
Страница 519: ...SIGNALING SYSTEM 8 38...
Страница 525: ...COOLING SYSTEM 8 44...
Страница 589: ...FUEL PUMP SYSTEM 8 108...
Страница 604: ...ABS Anti lock Brake System 8 123 EAS30525 ABS COMPONENTS CHART 1 2 5 6 7 8 9 10 11 12 3 4 1...
Страница 606: ...ABS Anti lock Brake System 8 125 EAS30844 ABS COUPLER LOCATION CHART 2 1 3 4 5...
Страница 633: ...ABS Anti lock Brake System 8 152...
Страница 653: ...COMMUNICATION CONTROL SYSTEM for YZF R1M 8 172...
Страница 654: ...ELECTRICAL COMPONENTS 8 173 EAS20089 ELECTRICAL COMPONENTS...
Страница 656: ...ELECTRICAL COMPONENTS 8 175 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25...
Страница 658: ...ELECTRICAL COMPONENTS 8 177 EAS30549 CHECKING THE SWITCHES 2 1 3 4 6 5 7 8 9 12 13 14 10 11...
Страница 694: ...EVENT CODE TABLE 9 15...
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