Inspecting Crankcase Pulse Passage; Inspecting Metering Lever Height - Echo CS-600 Service Manual

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4-9 Inspecting crankcase pulse passage

A

4-10 Inspecting metering lever height

B
FUEL SYSTEM
1. Drop a little oil in the end of pulse line (A) as
shown.
2. Remove spark plug and pull starter grip several
times. Oil should spit back from the hole.
3. If not, inspect whether pulse passage is clogged.
Repair or replace as required.
A
1. Remove carburettor.
2. Remove metering diaphragm cover, metering
diaphragm and gasket.
3. Inspect metering lever (A) height using ruler
(B). Metering lever height should be fl ush with dia-
phragm seat.
A
4. If necessary, gently bend metering lever up or
down to set the metering lever to proper position.
NOTE: When metering lever is:
Too high → Fuel fl ooding occurs
Too low → Fuel starvation / overheating occurs
CS-600