FUEL SYSTEM
CS-501SX, CS-501SXH
501sx
34
4-13 Replacing Welch plug
If engine does not run smoothly even after read-
justing carburetor and inspecting carburetor parts,
inspect low speed ports on carburetor as follows:
1. Remove metering lever and related parts to pro-
tect them from damage.
2. To remove Welch plug (A), punch the remover
tool (B) through Welch plug at low angle and pry it
out.
NOTE:
Remover tool (B) and welch plug installer
(C) are included in Welch plug tool kit (Part num-
ber: 500-500).
3. Clean low speed ports with compressed air.
4. Place a new Welch plug over the opening and
gently tap it until fl ush using welch plug installer (C).
5. Install all removed parts to carburetor body.
A
B
C
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