We had a Mantis garden tiller which worked well for a number of years but it finally wore out this spring, when we bought a new one. It worked well for the spring tilling then rested in the garage for the summer. I wanted to do some tilling recently and it got tempermental. I spent several hours working on it over the last few weekends but it just won't work.

The status is that it will start on full choke after several presses on the fuel injector bubble thing. I let it run for a few minutes to get up to operating temperature but it shuts off when the choke is opened. If I try to accellerate with the choke closed, it also dies.

I've tried adjusting the carb screws in every possible way, the plug and fuel filter are good, and the muffler screen is clear. I drained the gas tank and re-filled with a new 2-cycle mix of the proper ratio. Any ideas on what else to try before I give up and take it to the shop?

Paul

Some of these strange symptoms can happen if the gasket betwen the carb and
the engine dries, or leaks. I'm not familiar with your machine. But, some
small engines, I've had to take the carb off, put a little Permatex IIb non
hardening on the gasket, that helped.

Christopher A. Young
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"Pavel314" wrote in message
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We had a Mantis garden tiller which worked well for a number of years but it
finally wore out this spring, when we bought a new one. It worked well for
the spring tilling then rested in the garage for the summer. I wanted to do
some tilling recently and it got tempermental. I spent several hours working
on it over the last few weekends but it just won't work.

The status is that it will start on full choke after several presses on the
fuel injector bubble thing. I let it run for a few minutes to get up to
operating temperature but it shuts off when the choke is opened. If I try to
accellerate with the choke closed, it also dies.

I've tried adjusting the carb screws in every possible way, the plug and
fuel filter are good, and the muffler screen is clear. I drained the gas
tank and re-filled with a new 2-cycle mix of the proper ratio. Any ideas on
what else to try before I give up and take it to the shop?

Paul

Pavel,

A million things spring to mind but Mantis has a one year warranty. I'm
sure they will be happy to adjust or fix this.

Dave M.

Pavel314 wrote:
We had a Mantis garden tiller which worked well for a number of years
but it finally wore out this spring, when we bought a new one. It
worked well for the spring tilling then rested in the garage for the
summer. I wanted to do some tilling recently and it got tempermental.
I spent several hours working on it over the last few weekends but it
just won't work.

The status is that it will start on full choke after several presses
on the fuel injector bubble thing. I let it run for a few minutes to
get up to operating temperature but it shuts off when the choke is
opened. If I try to accellerate with the choke closed, it also dies.

I've tried adjusting the carb screws in every possible way, the plug
and fuel filter are good, and the muffler screen is clear. I drained
the gas tank and re-filled with a new 2-cycle mix of the proper
ratio. Any ideas on what else to try before I give up and take it to
the shop?


If you left it with fuel in it, the fuel may have deteriorated, and plugged
something in the carb. Always run it completely dry before storage. I turn on
the choke as it runs out of fuel to suck out the last gasps of fuel, then hand
crank it several times with the choke on to be sure.