Question about Mantis 2-Cycle Tiller

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My mantis 7222m two stroke will only run for a few seconds

It will then die. Some times it will run for a few min. if i just let it idle will then die as soon as I give it any gas. I tried fiddling with the two adjuster screws on the carb but that did nothing but make it not run at all until they were lined up in the previous position. New plug, new air filter, new gas. nothing seems to work. any suggestions would be great. many thanks in advance.

Jeff

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 97 Answers

SOURCE: mantis tiller 2 cycle seemed as if it was running out of gas

Check fuel filter and lines, if thay are good I would get a carb kit and set the adjustment screws at 1 turn out from lightley seated to start. Don't lean high speed screw too much.
You might check muffler & cylinder port for carbon first.

Posted on Mar 21, 2009

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  • 2 Answers

SOURCE: Would like to know what year this tiller would be.

replace primer bulb. If that's not the problem check the float in the carb for pin holes . check fuel lines and intake line

Posted on May 17, 2009

  • 15 Answers

SOURCE: Won't stay running...

I had the same problem with my mantis. It would start fine after a few pulls, but had no power. I changed the plug, replaced the carb completely...nothing helped. Took it to a shop and paid $70 for a tune up that didn't help at all, and the shop owner just said "sorry".
After everything else was done, I pulled the cover off the muffler, (3 screws) then removed 3 screws over a small spark arrestor screen and found it was clogged...cleaned it and guess what...IT WORKS FINE NOW!

The best and easiest fix I have ever done to a small engine. I felt like an idiot, because the exhaust side of the motor MUST be clear to work properly on small engines. The only reason I was removing the muffler in the first place was to check the compression and VOILA!!!

An easy and quick fix I recommend for all Mantis tillers before you waste money on carb issues (which is what the company will tell you to fix to solve this problem).

Posted on Jun 03, 2009

wolfwizard11
  • 5 Answers

SOURCE: MANTIS WILL NOT IDLE

I had the same problem. I adjusted the throttle stop IN until I got an idle without touching the throttle.

Posted on Aug 04, 2009

  • 150 Answers

SOURCE: 7222m mantis tiller need a diagram or set up

Set low speed jet 1 turn out high speed 1 and a quarter turn out

Posted on Sep 27, 2010

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Would like to know what year this tiller would be.


replace primer bulb. If that's not the problem check the float in the carb for pin holes . check fuel lines and intake line

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