Honda NSR150SP Manual page 89

NSR150SP
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Remove the throttle stop screw control knob,
spring and washer.
INSPECTION
FLOAT VALVE AND VALVE SEAT
Check the float valve and valve seat for
scoring, scratches, clogging or damage.
Check the tip of the float valve where it
contacts the valve seat, for stepped wear or
contamination.
NOTE
•
A worn or contaminated valve does not seat properly
and will eventually flood the carburettor.
JETS
Check each jets for wear or blockage.
Clean the jets with non-flammable or high
flash solvent and blow open with
compressed air.
AIR PILOT SCREW
Check the air screw for stepped wear or
damage.
Check the spring for damage.
Replace these parts if necessary.
CARBURETOR BODY CLEANING
CAUTION
•
Cleaning the air and fuel passages with a piece of
wire will damage the carburettor body.
Disassembled the carburettor (page 5-7).
Blow open all air and fuel passages in the
carburettor body with compressed air.
5-8
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Fuel System