4 - 4
ENG
CARBURETOR
EC464000
INSPECTION
EC464110
Carburetor
1. Inspect:
●
Carburetor body
Contamination
→
Clean.
NOTE:
●
Use a petroleum based solvent for cleaning.
Blow out all passages and jets with com-
pressed air.
●
Never use a wire.
2. Inspect:
●
Main jet
1
●
Pilot jet
2
●
Needle jet
3
●
Pilot air screw
4
Damage
→
Replace.
Contamination
→
Clean.
NOTE:
●
Use a petroleum based solvent for cleaning.
Blow out all passages and jets with com-
pressed air.
●
Never use a wire.
EC464210
Needle valve
1. Inspect:
●
Needle valve
1
●
Valve seat
2
Grooved wear
a
→
Replace.
Dust
b
→
Clean.
EC464300
Throttle valve
1. Check:
●
Free movement
Stick
→
Repair or replace.
Insert the throttle valve
1
into the car-
buretor body, and check for free move-
ment.
Содержание TTR90(M)
Страница 20: ...EB004000 INDEX GENERAL INFORMATION SPECIFICATIONS REGULAR INSPECTION AND ADJUSTMENT ENGINE CHASSIS ELECTRICAL...
Страница 45: ...GEN INFO MEMO...
Страница 55: ...GEN INFO MEMO...
Страница 101: ...SPEC MEMO...
Страница 269: ...ELEC MEMO...
Страница 279: ...ELEC MEMO...
Страница 287: ...PRINTED IN JAPAN 99 7 3 6 1 CR PRINTED ON RECYCLED PAPER YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN...