Yamaha SXV70ERG, Owner'S Manual

Page: 61 / 96

8-8
Jet needle adjustment
Adjust the jet needle by changing its clip position accord-
ing to the setting chart which is available at a Yamaha
dealer.
CD-03E
1. Remove the top cover of the carburetor and jet nee-
dle.
2. Change the clip to the proper position. Make sure
that the plastic washer is in place below the clip.
WARNING
@
Make sure that the throttle outer cable is firmly
seated in the holder and the throttle operates
smoothly after assembling the carburetor.
@
3. Assemble by reversing the removal steps.
Main jet replacement
Replace the main jet according to the setting chart which
is available at a Yamaha dealer.
WARNING
@
● Never remove the drain plug or the float chamber
while the engine is hot. Fuel will flow out from the
float chamber which could ignite and cause
injury.
● Place a rag under the carburetor before removing
the drain plug or float chamber to catch any
spilled fuel.
● Handle fuel with care: it is HIGHLY FLAMMABLE.
@
Standard jet needle clip
1
position:
3rd groove from upper end
Clip position Mixture Condition
2
Upper end Lean
Warm weather
High altitude
3
Lower end Rich
Cold weather
Low altitude
U8EK10.book Page 8 Tuesday, June 26, 2001 4:35 PM