31/CARBURETOR
150
700065-10
–
Check/adjust the throttle slide opening. (
Info
Adjusting the play of the accelerator pump changes the time at which injec-
tion starts and does not influence the injection rate or the intensity of the
accelerator pump.
–
Check piston rod overhang
.
Specification
Piston rod overhang
0.9… 1.0
mm (0.035… 0.039
in)
» If piston rod overhang
does not equal the specified value:
–
Correct the piston rod overhang by turning adjusting screw
.
–
Carburetor - adjust the idle speed. (
21.7
Checking the hot start slide
600400-01
–
Check the hot start slide for smooth operation.
» If the hot start slide cannot be moved easily or is soiled:
–
Clean the hot start slide.
Carburetor cleaner (
–
The piston of the hot start slide should not be damaged.
» If the piston of the hot start slide is damaged or worn:
–
Change the hot start slide.
–
Check the rubber sleeve and lock.
» If the rubber sleeve is damaged or brittle, or if the lock does not function:
–
Change the hot start slide.
21.8
Checking the choke slide
600399-01
–
Check the choke slide for smooth operation.
» If the choke slide cannot be moved easily or is soiled:
–
Clean the choke slide.
Carburetor cleaner (
–
The piston of the choke slide should not be damaged.
» If the piston of the choke slide is damaged or worn:
–
Change the choke slide.
–
Check the rubber sleeve and lock.
» If the rubber sleeve is damaged or brittle, or if the lock does not function:
–
Change the choke slide.
21.9
Checking the jet needle
700052-10
–
Check the jet needle for bending and wear of the coating.
» If the jet needle is bent or the coating is damaged or worn:
–
Change the jet needle.
–
Check that the needle clip is tight.
» If the needle clip is not tight:
–
Change the needle clip or the jet needle.