Specifications and technical data
Yamaha YZF-R 125, 2008, 15 PS, 11 kw
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Year of manufacture
2008
No. of cylinders
1
Cylinder capacity
125 cc
Power
15 PS, 11 kw
Specifications and technical data
Yamaha YZF-R 125, 2008, 15 PS, 11 kw
Manufacturer
YAMAHA YZF R125 /5D71, 5D7X, -BR61, -BR62 (RE06, RE11) YZF R125
Model
Model variant
YZF R125
Engine Code
E3A4E
Chassis Number
Litres
125
Tuning
Tuning description
Production start year
2008
Production end year
2013
Fuel
Performance
11kW
DIN HP
Revolutions per minute
Engine
Engine speed at maximum power
9000 Revolutions per minute
Number of cylinders
1
Valves per cylinder
4
Engine
Throttle grip free play
3.0 - 5.0 Millimetre
Ignition coil primary resistance
(at 20 °C)
(at 20 °C)
2.16 - 2.64 Ohms
Ignition coil secondary resistance
(Without ignition coil plug cap (measured temperature at 20 °C))
(Without ignition coil plug cap (measured temperature at 20 °C))
8640 - 12960 Ohms
Valve clearance
Cold engine
Inlet
0.10 - 0.14 Millimetre
Exhaust
0.20 - 0.24 Millimetre
Idle speed
1300 - 1500 Revolutions per minute
Spark plugs (make and type)
NGK CR8E
Spark plug gap
0.7 - 0.8 Millimetre
Number of spark plugs
1
Compression pressure(At 600 rpm)
Normal pressure
5.5 - 6.2 (bar)
Minimum pressure
4.8
Engine
Cap pressure
1.1 - 1.4 (bar)
Thermostat opening temperature
80.5 - 83.5 (°C)
Thermostat fully open
95
Electrical system
Battery type
YUASA 12N5.5 - 3B
Battery capacity
5.5 (Ah)
Battery voltage
12
Front disc brakes
Disc thickness, front
4.0 Millimetre
Disc thickness, front, minimum
3.5 Millimetre
Brake pad thickness, front, minimum
1.0 Millimetre
Disc run-out, maximum (front)
0.15 Millimetre
Rear disc brakes
Brake pedal free travel
3.5 - 4.5 Millimetre
Brake pedal height
47.9 Millimetre
Disc thickness, rear
4.0 Millimetre
Disc thickness, rear, minimum
3.5 Millimetre
Brake pad thickness, rear, minimum
1.0 Millimetre
Disc run-out, maximum (rear)
0.15
Wheels and tyres
Tyre size and pressure
Front tyre size
100/80 - 17M/C 52H
Front tyre pressure
1.8 (bar)
Rear tyre size
130/70 - 17M/C 62H
Rear tyre pressure
(Rider only)
(Rider only)
2.0 (bar)
Rear tyre pressure
(Rider and passenger)
(Rider and passenger)
2.3 (bar)
Speed index, minimum
(Based on the maximum speed as listed in the European Type Approval data sheets)
(Based on the maximum speed as listed in the European Type Approval data sheets)
L
Engine
Engine sump, including filter
Oil filter location
Sump strainer drain plug location
Initial filling
1.2 Litre
Refilling
1.0 Litre
Cooling system
Refilling
1.3 Litre
Coolant drain plug location
Suspension
Front fork
Left fork leg
0.24 Litre
Right fork leg
0.24 Litre
Front fork(Fork fully compressed; compression spring and spacer removed)
Left fork leg
152 Millimetre
Right fork leg
152 Millimetre
General
Fuel tank
13.8 Litre
Fuel tank, reserve
1.6
Final drive
Final drive chain (make and type)
ROLON R428HBSOR
Final drive chain free play
30 - 40 Millimetre
Number of final drive chain links
131
Number of final drive front sprocket teeth
14
Number of final drive rear sprocket teeth
48
Clutch system
Clutch plate thickness
2.9 - 3.1 Millimetre
Clutch plate thickness, minimum
2.8 Millimetre
Clutch spring length
38.7 Millimetre
Clutch spring length, minimum
36.8 Millimetre
Clutch lever free play
10 - 15 Millimetre
Engine
Note: Always renew stretch bolts and self-locking nuts
Cylinder head(Threads and contact surface lightly oiled)
Renew the gasket
(Renew the washer)
(Renew the washer)
Stage 1
(Bolts 1 - 4)
(Bolts 1 - 4)
22 (Nm)
Stage 2
(Bolts 5 and 6)
(Bolts 5 and 6)
10 (Nm)
Valve cover
(Apply sealant)
(Apply sealant)
10 (Nm)
Tighten the bolts in a criss-cross pattern
(Renew the washer)
(Renew the washer)
Crankcase
(Apply sealant)
(Apply sealant)
Crankcase left section
(2008)
(2008)
10 (Nm)
Crankcase left section
(2009 - 2013)
(2009 - 2013)
10 (Nm)
Crankcase right section
(2008)
(2008)
10 (Nm)
Crankcase right section
(2009 - 2013)
(2009 - 2013)
10 (Nm)
Crankcase cover
(Tighten the bolts in a criss-cross pattern)
(Tighten the bolts in a criss-cross pattern)
10 (Nm)
Renew the gasket
Sump strainer drain plug
(Renew the O-ring)
(Renew the O-ring)
32 (Nm)
Spark plugs
13 (Nm)
Oil filter
(Renew the O-ring; apply grease to the O-ring)
(Renew the O-ring; apply grease to the O-ring)
10 (Nm)
Starter motor
10 (Nm)
Rocker shaft
(Threads and contact surface lubricated with molybdenum oil)
(Threads and contact surface lubricated with molybdenum oil)
7 (Nm)
Apply thread-locking compound
Camshaft gearwheel
30 (Nm)
Timing chain tensioner
(Renew the gasket; apply sealant)
(Renew the gasket; apply sealant)
10 (Nm)
Timing chain tensioner guide
10 (Nm)
Flywheel
70 (Nm)
Exhaust manifold
(2008)
(2008)
20 (Nm)
Apply anti-seize compound to the thread
Renew the gasket
Exhaust manifold
(2009 - 2013)
(2009 - 2013)
15 (Nm)
Apply anti-seize compound to the thread
Renew the gasket
Inlet manifold
(Renew the O-ring; apply grease to the O-ring)
(Renew the O-ring; apply grease to the O-ring)
10 (Nm)
Coolant pump
(Renew the O-ring; apply grease to the O-ring)
(Renew the O-ring; apply grease to the O-ring)
10 (Nm)
Coolant pump housing
(Renew the gasket)
(Renew the gasket)
10 (Nm)
Fuel tank
10 (Nm)
Thermostat housing
10 (Nm)
Coolant drain plug
7 (Nm)
Oil pump
(Apply thread-locking compound)
(Apply thread-locking compound)
4 (Nm)
Front disc brakes
Brake master cylinder clamp
9 (Nm)
Front brake caliper carrier
(Apply thread-locking compound)
(Apply thread-locking compound)
30 (Nm)
Brake hose to caliper
(Renew the washer)
(Renew the washer)
30 (Nm)
Front brake disc
(Tighten the bolts in a criss-cross pattern)
(Tighten the bolts in a criss-cross pattern)
18 (Nm)
Apply thread-locking compound
Rear disc brakes
Rear brake caliper
48 (Nm)
Brake hose to caliper
(Renew the washer)
(Renew the washer)
30 (Nm)
Rear brake disc
(Tighten the bolts in a criss-cross pattern)
(Tighten the bolts in a criss-cross pattern)
18 (Nm)
Apply thread-locking compound
Brake pad retaining pin
18 (Nm)
Clutch system
Clutch
(Threads and contact surface lightly oiled)
(Threads and contact surface lightly oiled)
70 (Nm)
Renew the washer
Clutch spring bolts
(Tighten the bolts in a criss-cross pattern)
(Tighten the bolts in a criss-cross pattern)
12 (Nm)
Clutch lever bracket
(2008)
(2008)
9 (Nm)
Clutch lever bracket
(2009 - 2013)
(2009 - 2013)
7 (Nm)
Final drive
Final drive front sprocket
10 (Nm)
Final drive rear sprocket
(2008)
(2008)
43 (Nm)
Apply thread-locking compound
(Tighten the nuts in a criss-cross pattern)
(Tighten the nuts in a criss-cross pattern)
Final drive rear sprocket
(2009 - 2013)
(2009 - 2013)
39 (Nm)
Apply thread-locking compound
(Tighten the nuts in a criss-cross pattern)
(Tighten the nuts in a criss-cross pattern)
Suspension
Note: Always renew stretch bolts and self-locking nuts
Front wheel axle clamp
14 (Nm)
Front wheel axle bolt
59 (Nm)
Rear wheel axle nut
85
General
Motorcycle weight (wet)
138
General
Headlight
(H7)
(H7)
55
Engine oil
API SG + JASO MA SAE 10W-30 From -10 °C to 20 °C
Brake fluid
DOT 4
Chain lubricant
Chain Spray
Fork oil
Fork oil SAE 10W
Front fork
Left fork leg
0.24 Litre
Right fork leg
0.24 Litre
Front fork (Fork fully compressed; compression spring and spacer removed)
Left fork leg
152 Millimetre
Right fork leg
152
Grease
GrLi