18
7. Carburetor Service Guide
7-3 Limiter Cap Removal/ Installation
Tool
The limiter cap tool (carburetor maintenance tool:
848-8W9-0080/ 521 53 38-01) is used for limiter cap
installation/removal.
Removal
Insert the limiter cap tool extraction tool's threading
(M2 counterclockwise threading) into the idling
limiter's hole and screw it counterclockwise while
giving pressure.
When it is firmly threaded, pull the limiter cap.
Installation
Insert a new limiter cap in the low speed mixture
needle hole. Press the cap deeply into low speed
mixture needle hole to prevent tampering.
7-4 Idling Speed Adjustment
Slow and Middle Speeds
Adjust the fuel supply under idling conditions by turning the idling limiter.
1. Remove the limiter cap.
2. Turn the screw with a commercially available screw
driver (tip width: 2.5mm).
Clockwise (CW):
Fuel mixture becomes lean. (Speed increases.)
Counterclockwise (CCW):
Fuel mixture becomes rich. (Speed decreases.)
Limiter cap insertion side
Limiter cap tool extraction side
Screw unit
(M2 counterclockwise threading)
Limiter Cap Tool
If it is difficult to screw in the limiter cap tool,
firmly press the tool while screwing. When
threads are completely meshed, pull it out in
one stroke. If cap is damaged and stays in the
hole, use a pick type tool to remove it.
Caution:
Be sure to install only a new limiter cap.
The limiter cap is a very small part. Pay
attention not to lose it.
Caution:
After completion of the adjustment, be sure to
install the limiter cap.
Caution:
Without Limiter Cap
Limiter Cap
Limiter cap tool extraction side
Press it while turning it
counterclockwise.
Pull it out.
Limiter cap is removed.
Limiter cap insertion side
Limiter cap
(new part)
With Limiter Cap
Screw Driver
Increases
Decreases
Decreases
Increases
Summary of Contents for CHTZ2401
Page 31: ...1001 SY NZ003...
