FUEL SYSTEM
CS-2510TES
250Ts, 250TCs
37
4-9 Inspecting crankcase pulse passage
1. Remove carburetor.
2. Drop a little oil in pulse hole (A).
3. Remove spark plug and pull starter grip several
times. Oil should spit back from the hole (A).
4. If not, remove collar (B) and inspect whether
pulse passage of collar (B), intake bellows (C) and
cylinder are clogged. Remove obstruction or re-
place with new one as required.
B
A
4-10 Inspecting metering lever height
1. Remove carburetor.
2. Remove four screws (A), metering diaphragm
cover (B), metering diaphragm (C) and gasket (D).
3. Inspect metering lever (E) height by Metering
lever gauge 897563-19830 (F).
Metering lever height: 1.65 mm (0.065 in) lower
than diaphragm seat (G).
4. If necessary, gently bend metering lever (E) up
or down to set metering lever to proper position.
NOTE:
When metering lever is:
Too high
→
Fuel fl ooding occurs
Too low
→
Fuel starvation / overheating occurs
C
1.65
0.4
1.35
1.5
1.65
0.4
1.35
1.5
F
E
G
A
A
C
D
B
1.65mm
diaphragm seat (G)
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