2001 YAMAHA YZ125LC engine

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Page 120 of 558

YAMAHA YZ125LC 2001  Manuale duso (in Italian) 2-15
SPECCABLE ROUTING DIAGRAM
AInstall the brake hose so that its pipe portion 
directs as show and lightly touches the 
projection on the master cylinder.
BPass the “ENGINE STOP” button lead in

Page 121 of 558

YAMAHA YZ125LC 2001  Manuale duso (in Italian) 2-15
SPEC
SCHEMA DE CHEMINEMENT DES CABLES
KABELFÜHRUNGSÜBERSICHTPLAN
DIAGRAMMA DEL PASSAGGIO DEI CAVI
1Bremsschlauch
2Hauptbremszylinder
3Leitungskabel des Motorstoppknopfes
„ENGINE STOP“
4Moto

Page 134 of 558

YAMAHA YZ125LC 2001  Manuale duso (in Italian) 3-4
PRE-OPERATION INSPECTION AND MAINTENANCE
INSP
ADJ
EC320000
PRE-OPERATION INSPECTION AND MAINTENANCE
Before riding for break-in operation, practice or a race, make sure the machine is in good opera

Page 138 of 558

YAMAHA YZ125LC 2001  Manuale duso (in Italian) 3-5
INSP
ADJENGINE/COOLANT LEVEL INSPECTION/
COOLANT REPLACEMENT
EC350000
ENGINE
EC351011
COOLANT LEVEL INSPECTION
w
Do not remove the radiator cap 1 1
, drain
bolt and hoses when the engine and radia

Page 140 of 558

YAMAHA YZ125LC 2001  Manuale duso (in Italian) 3-6
INSP
ADJ
COOLANT REPLACEMENT
cC
Take care so that coolant does not splash
on painted surfaces. If it splashes, wash it
away with water.
1. Place a container under the engine.
2. Remove:
9Coolant d

Page 142 of 558

YAMAHA YZ125LC 2001  Manuale duso (in Italian) 3-7
INSP
ADJ
RADIATOR CAP INSPECTION
cC
9Do not mix more than one type of ethyl-
ene glycol antifreeze containing corro-
sion inhibitors for aluminum engine.
9Do not use water containing impurities
or

Page 148 of 558

YAMAHA YZ125LC 2001  Manuale duso (in Italian) 3-10
INSP
ADJTHROTTLE CABLE ADJUSTMENT/
THROTTLE LUBRICATION
EC35A001
THROTTLE CABLE ADJUSTMENT
1. Check:
9Throttle grip free play a
Out of specificationÕAdjust.
2. Adjust:
9Throttle grip free play
E

Page 150 of 558

YAMAHA YZ125LC 2001  Manuale duso (in Italian) 3-11
INSP
ADJ
AIR FILTER CLEANING
3. Install:
9Throttle cable cap
9Cap cover
EC35G040
AIR FILTER CLEANING
NOTE:
Proper air filter maintenance is the biggest key
to preventing premature engine wear and