Throttle Cable Adjustment; Oil Pump Cable Adjustment - Yamaha BR250F Service Manual

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Free play
1.5"'2.5 mm (0.06"'0.10 in)
1. Adjuster 2. Lock nut
1. Play 2.
Adjusting screw
3. Lock nut
Free play between outer tube end
and adjuster:
1.5'" 2.5 mm (0.06'" 0.10 in)
3. Lock the adjusting screw by tightening
the nut.
C. Throttle Cable Adjustment
Set the throttle cable adjuster so that the free
play between the throttle cable outer tube
end and adjuster equals specification when
the throttle valve is closed (at idle).
Free play between outer tube end
and adjuster:
0.5'" 1.0 mm (0.2 '" 0.4 in)
E.
Low Speed Tuning
The carburetor is built so that low speed
tuning can be done by adjusting the slow
adjuster and the throttle stop screw.
Always install air silencer before making
tuning adjustment. High performance tuning
cannot be done without the silencer. Engine
damage may result from attempting to tune
without the silencer installed.
Play:
25
±
1
mm
(1.00
±
0.04
in)
NOTE: _
Always adjust the throttle cable BEFOR E
adjusting the oil pump cable.
2. Start the engine, and fully warm up the
engine.
3. Adjust the throttle stop screw until the
engine runs at
2,000'" 2,500
rpm.
Stardard pilot screw (turns out):
1-1/4
1.
Tighten the slow adjuster lightly, and
back it out from its lightly seated posi-
tion.
1. Slow adjuster
3. Play 2. Lock nut
1. Loosen the lock nut on the oil pump
cable adjusting screw.
2. Pull up the cable to its limit, and turn
the adjusting screw until the free play of
the outer cable is as specified below:
1. Adjuster
D.
Oil Pump Cable Adjustment
3-5