Question about Mantis 2-Cycle Tiller

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Mantis tiller won't idle. Diaphragm carb rebuilt. It will start w/throttle up, then die with about 1/2 in left to go as I release the lever. I've adusted the H/L idle screws and throttle stop. Thank you.

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  • Dennis Flynn
    Dennis Flynn Aug 04, 2009

    I fixed it. I adjusted the throttle until I could release the lever. Nice idle.

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5 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

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boscia
  • 163 Answers

SOURCE: Mantis Tiller

check the fuek lines for hole and leaks, check the fuel filter and clean if necessary. remove the carbuerator and inspect the gasket; it should be soft and flexible, if it seems hard or brittle replace it. clean the carb with carb cleaner sray (available at any local auto parts store) and compressed air. make sure you get inside the small fuel rail holes. check the primer bulb for pin holes and seating/sealed properly. if that doesn't work have the carb repaired at a service center or replaced.

Posted on Nov 30, 2008

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  • 45 Answers

SOURCE: 2 cycle mantis tiller leaks gas thru the carb. -

if it leaks gas,it can **** air.you have to find out whats leaking and stop it.

Posted on Apr 29, 2009

  • 1 Answer

SOURCE: trouble starting old Mantis tiller 9012 - don't have a manuel -

Mantis has the owners manuals in pdf format available for download on its website. The tillers are here (I hope the link to the tiller group works...if not, just go to the main site and look for "owners manuals" link.

Also, you can call a number and get a representative who usually can help at the numbers listed there, find authorized service people if its not something you can do yourself, order parts and find detailed schematics in the owners manuals. My dog actually ate mine. LOL. But they are free, the owners manuals, unlike other places that charge you for them like they were a "part".

http://mantis.com/owners_manual_library-swell2_tiller_engine.asp?cat=8

Posted on May 18, 2009

  • 15 Answers

SOURCE: when i press gas lever it dies --mantis tiller

Try checking the spark arrestor inside the muffler. They often get clogged and will not allow the exhaust to escape easily. I had this same issue and spent bou coup cash trying to fix the carb and intake side, then when I was going to check the compression, I removed the 3 screws on the muffler cover and 3 more screws on the spark arrestor and found the little screen was clogged. I cleaned it with carb cleaner and ... VOILA...problem solved. I hope this helps. If you call the company they will recommend a carb kit. Try the spark arrestor first (cheaper and easier, too). I hope this helps.

Posted on Jun 03, 2009

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1 Answer

When I Start Mantis Tilleer it starts in gear ( tines are turning)


The Mantis has a speed controlled automatic clutch.

Lower the idle speed by turning the idle screw counter clockwise. The idle screw is attached where the throttle cable meet the carb. The screw has a pointed end that resembles a pencil point.

The engine speed should be adjusted just above stalling.

If the tines turn even when the engine pull rope is pulled, the the clutch is defective and needs repairing.
j

Aug 03, 2013 | Mantis Tiller

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Mantis tiller Idles fine, and can even rev... sometimes, but has no power.


check the diaphragm in the carburetor making sure it isn't stiff. depending on how long it has sat, the carburetor may need a cleaning and kit then readjust it to get it to run. Mantis tillers are very temperamental and can be difficult to get to run again even for experienced technicians

Feb 25, 2013 | Mantis 2-Cycle Tiller

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Mantis tiller starts rt up, good idle no power,new fuel lines plug,filters,rebuilt carb,when trying to rev bubbles in gas tank?


Check that the fuel filter is sitting near the bottom of the tank, and not somehow being held near the top of the tank.

Jun 11, 2012 | Mantis 2-Cycle Tiller

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Starts and idles just fine, but when you depress the throttle lever to spin the tines it dies


The high-speed carb jet may be fouled. Most 2-cycle carburetors have two adjustable jets, one for idle, another for higher speeds and loads.

May 01, 2011 | Mantis 2-Cycle Tiller

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MANTIS TILLER WITH HONDA GX25 ENGINE STARTS FINE BUT WHEN GIVEN THROTTLE DIES OUT. ALSO A LITTLE WHILE BACK OIL WAS COMING OUT OF CARB BUT THIS HAS NOW STOPPED. THIS IS A 4 STROKE ENGINE WITH APPROX 4...



I also have Mantis tiller for 2 years. From the very beginning I had a problems. I was referred by Mantis to the repair store and was charged $90.00 for oil drainage. The second time I was waiting for handle replacement for ~ 1 month. This tiller can't handle even little jobs and the warranty doesn't worth a dime. Maybe I will be more successful using it in my living room . I have an equipment with Briggs and Stratton engines and I never had a problem.

To me Mantis mean big advertisement and waste of money.

Feb 20, 2011 | Honda Hmantis Mantis Garden Tiller with...

2 Answers

My mantis starts easily - but then dies. it sometimes doesn't even rotate. i can do about 3 seconds before it dies. help. what do i do?


The Carb is either cracked or needs to be rebuilt - OR - you might get luck and just blow it out with a professional dose of AIR from a larger compressor like used at mechanics shops.

Gary @ Fix Ya

Sep 05, 2010 | Mantis 2-Cycle Tiller

2 Answers

Engine bogs down when speed is increased.


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Mar 27, 2010 | Honda 25cc 4-cycle Mini Tiller

1 Answer

Engine won't keep running when using the throtle.


Hi Don. There are two adjustment screws on the carburetor. Start the engine and while it is idling, turn the screw closest the engine (low speed adjustment) counterclockwise until it starts to falter, then back a 'hair' and try the throttle again. If that doesn't work, I would recommend doing what I usually do... put a new carb on and be done with it! Carb is a Zama C1U-K54A

May 19, 2009 | Mantis Tiller

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MANTIS WILL NOT IDLE


What kind of engine is it ? Does it have a float carburetor or diapram carburetor ?

May 09, 2009 | Mantis 2-Cycle Tiller

1 Answer

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The carburetor needs to be removed, soaked in a cleaner fluid for a couple of hours, reattached and then adjusted.

May 02, 2009 | Mantis Tiller

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