maintenance YAMAHA YZ125LC 2002 Owners Manual

YAMAHA YZ125LC 2002 Owners Manual YZ125LC 2002 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/53920/w960_53920-0.png YAMAHA YZ125LC 2002 Owners Manual

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YAMAHA YZ125LC 2002  Owners Manual EC020000
INTRODUCTION
Congratulations on your purchase of a Yamaha
YZ series. This model is the culmination of
Yamaha’s vast experience in the production of
pacesetting racing machines. It represent

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YAMAHA YZ125LC 2002  Owners Manual EC050000
TO THE NEW OWNER
This manual will provide you with a good basic
understanding of features, operation, and basic
maintenance and inspection items of this ma-
chine. Please read this manual car

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YAMAHA YZ125LC 2002  Owners Manual EC0A0000
CONTENTS
CHAPTER 1
GENERAL INFORMATION
DESCRIPTION............................................1-1
MACHINE IDENTIFICATION......................1-2
IMPORTANT INFORMATION.....................1-3

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YAMAHA YZ125LC 2002  Owners Manual 1-16
GEN
INFO
TORQUE-CHECK POINTS
EC1A0013
TORQUE-CHECK POINTS
Frame construction Frame to rear frame
Combined seat and tank Fuel tank to frame
Engine mounting Frame to engine
Engine bracket to engine

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YAMAHA YZ125LC 2002  Owners Manual 2-3
SPECMAINTENANCE SPECIFICATIONS
Item Standard Limit
Cylinder head:
Combustion chamber capacity 10.2 cm
3…
(0.359 Imp oz, 0.345 US oz)
Warp limit…
0.03 mm (0.0012 in)
Cylinder:
Bore size 54.000~

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YAMAHA YZ125LC 2002  Owners Manual 2-4
SPECMAINTENANCE SPECIFICATIONS
Item Standard Limit
Transmission:
Main axle deflection limit…
0.01 mm (0.0004 in)
Drive axle deflection limit…
0.01 mm (0.0004 in)
Shifter:
Shifting type Cam dru

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YAMAHA YZ125LC 2002  Owners Manual 2-5
SPECMAINTENANCE SPECIFICATIONS
Part to be tightened Thread size QtyT ightening torqueNm m•kg ft•lb
Spark plug M14 ×1.25 1 20 2.0 14
Cylinder head (nut) M  8 ×1.25 5 28 2.8 20
(stud) M  8 ×

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YAMAHA YZ125LC 2002  Owners Manual 2-6
SPECMAINTENANCE SPECIFICATIONS
Part to be tightened Thread size QtyT ightening torqueNm m•kg ft•lb
Exhaust pipe M  6 ×1.0 2 12 1.2 8.7
Exhaust pipe stay (front) M  6 ×1.0 1 12 1.2 8.7
Exhau

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YAMAHA YZ125LC 2002  Owners Manual 2-7
SPECMAINTENANCE SPECIFICATIONS
EC212201
CHASSIS
Item Standard Limit
Steering system:
Steering bearing type Taper roller bearing…
Front suspension: USA, CDN, ZA
EUROPE
AUS, NZ
Front fork travel
3

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YAMAHA YZ125LC 2002  Owners Manual 2-8
SPECMAINTENANCE SPECIFICATIONS
Item Standard Limit
Wheel:
Front wheel type Spoke wheel…
Rear wheel type Spoke wheel…
Front rim size/Material 21 ×1.60/Aluminum…
Rear rim size/Material 19 ×1
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