Copyright © 2018 Liquid Combustion Technology, LLC LCT Engine Service Manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 7
General Troubleshooting
Engine stops running:
1. Has the fuel being used been purchased within the last 30-days and was it stored in a plastic container?
Remedy: Replace old fuel with new fuel.
2. Is the air lter dirty?
Remedy: Replace air lter element if dirty. Clean prelter of any dirt or dust per engine specication.
3. Was the engine choked?
Remedy: When starting the engine the choke lever should be pushed left to the on
position, and after starting, pushed right to the off position. If engine is equipped with
twist type choke, the knob should be turned clockwise to the start position, and after
starting, turned counter-clockwise to the run position. If engine still does not start
move to half choke and pull twice.
4. Is the spark plug corroded?
Remedy: Remove spark plug and replace with any of the plugs listed under Spark Plug Service, pg.9.
• NOTICE
Using an incorrect spark plug may cause engine damage.
5. Has the engine run out of fuel?
Remedy: Refuel engine.
6. Is the fuel petcock turned to the on position?
Remedy: Turn to the on position.
7. Is the throttle set too low (variable speed models only)?
Remedy: Increase the throttle per engine specication.
Snow
Summer
ON
OFF
START
RUN
Twist Choke
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