Yamaha SR250G Service Manual page 8

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ENGINE
Carburetor
Idle speed setting procedure
Start the engine
2nd warm it uo for a
few minutes. Set the
2ngire idle
speed
to specified
r / m i n , by turning the thro:
tle stop screwy in te increase the engine
speed and tack off the screw to de-
1 t h i e engine specd
@ tachometer for checking
justing the engine speed
Idle speed
1.200
2. ole mixture
The idle mixture is set 2: the factory by
the use of special equipmem
Nat
attampt should 9¢ made by the dealer
ty change this adjustment
3. Throvtle cable adjustment
NOTE:
cle speed should be set before making this
adjustment
The thrattle grip should have s play of 2
~ 5 mm (0.08 ~ 02 in) in the wrning
direction at the grip flange, If the play is
net this range, take the fellowing step
for adjustment
Loosen the adjuster fuck nut on the
throttle cable. and tum the adjuste
or out So the play |S corrcet. A'
avjustmant, bg) les
t i e ock nut
23
Air Filter
The air filter protects the engine from dirt
which can enter with the intake
sir and cause
rend engine wear This dirt is filterad from
the air dy the air filter element. This mode!
uses a cartridge type air filter element which
consists of foam ruboer moistened with oil
When
his filter element becomes dirty it
should be cleaned
Remove the seat and che side cover
Held)
Remove the air fikter element from its
aase, romove olement from) guide and
ivan with solvent. After clesning, re~
move the remaining solvent by squacz
ing the element

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