CARBURETOR
4-11
E
FUEL
CHECKING THE CARBURETOR
CAUTION:
Do not use a steel wire to clean the jets.
This may enlarge the jet diameters and seri-
ously affect performance.
1. Check:
•
Carburetor body
Cracks/damage
→
Replace.
Contamination
→
Clean.
2. Check:
•
Main jet
•
Pilot jet
•
Main nozzle
Contamination
→
Clean.
3. Check:
•
Needle valve
Grooved wear
→
Replace.
4. Check:
•
Float
Cracks/damage
→
Replace.
5. Check:
•
Pilot screw
Damage
→
Replace.
ASSEMBLING THE CARBURETOR
1. Install:
•
Needle valve
•
Float
•
Float pin
•
Screw
NOTE:
• The float pin should fit into the slit in
the carburetor and be retained with the
screw.
• When installing the float into the carbu-
retor, place the needle valve into the
needle valve seat.
• After installation, make sure that the
float operates smoothly.
3
1
2
1
2
3
Содержание F40BMHD
Страница 60: ...SPEC 2 12 MAINTENANCE SPECIFICATIONS E DIMENSIONS H9 L3 L7 L6 L2 L1 H2 H1 H7 H4 H3 H8 H6 W5 W6 W1 L4 A1 A3 A2 ...
Страница 126: ...GENERAL 3 25 E CHK ADJ LUBRICATION POINTS Apply Water resistant grease ...
Страница 128: ...CHK ADJ 3 26 GENERAL E ...
Страница 129: ...3 26 CHK ADJ F D ES ...
Страница 272: ...E LOWR BACKLASH 6 34 MEASURING THE FORWARD GEAR BACKLASH 6 34 MEASURING THE REVERSE GEAR BACKLASH 6 36 ...
Страница 528: ......
Страница 529: ......
Страница 536: ......
Страница 537: ...Printed on recycled paper Printed in Japan Sep 1999 1 7 1 F40B YAMAHA MOTOR CO LTD ...