Yamaha YFM90RA Model Vehicle User Manual


 
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CARB
CARBURETOR
EBS00150
ASSEMBLING THE CARBURETOR
TIP
Before assembling the carburetor, make sure
to turn out the pilot air screw the same number
of times, as noted before disassembly, from
the seated position to the set position.
Before assembling the carburetor, wash
all of the parts in a petroleum-based sol-
vent.
Always use a new gasket.
1. Install:
needle jet holder
main jet
pilot jet
NOTICE
10.Check:
choke valve movement
Sticks Replace.
11.Check:
• starter plunger
• starter plunger spring
Bends/cracks/damage Replace.
9. Check:
• throttle valve movement
Sticks Replace.