Question about Mantis 2-Cycle Tiller
Engine runs fine but tines run slow It seems the clutch is sliping. How do you change the clutch.
Dissembling the clutch uses special tools to prevent damage to other parts. A trusted shop would be able to do this cheap, then you can reassemble without special tools
Posted on Nov 27, 2013
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Posted on Jan 02, 2017
Most likely the throttle shaft on your carb is stuck from residual fuel. Follow your throttle cable down to your carburetor and see if the shaft is moving when you press the trigger on the handle. If not, try moving it by hand and see if it loosens up. If not you may have to take off the air filter cover and spray some carb cleaner in the throat of the carb while moving the shaft back and forth until it loosens up. That should work for you.
Posted on May 13, 2009
Your problem is a common one on Mantis tillers. The engine sounds like it is not breathing properly. I have fixed dozens of these problems and it is almost always the spark arrestor clogged up. The spark arrestor is found inside a small housing on the muffler (easy to fix). There are 3 screws that need to be removed to get the muffler cover off, then you will see a small housing a little over an inch long with another 3 screws...remove them and you will see a small screen that is probably clogged. Clean it and the housing with a solvent (I usually use carb cleaner) then re-install the arrestor and reassemble the muffler cover. This will fix your problem about 80% of the time.
If that is not the problem you may need to fix the carburetor (take my advice and just buy a new one...not much more expensive than the repair kit and a lot simpler.
Posted on Jun 14, 2009
I had this problem today. Loosen the flange bolt. Pull the engine off and check that the hex end of the shaft is lining up with the clutch pad in the engine-that it seats properly. Then make sure the shaft is seated all the way into the worm gear and put the engine back on. You will probably have to wiggle the shaft until it seats into the clutch. Tighten the flange bolt when the engine is seated flush with the worm housing (with no gap). That's all I did and the power is back up. Hopefully you still have your manual with the parts blow-up. (page 29?) BTW, have you checked that the wormgear is greased?
Posted on Aug 04, 2009
If the motor rpms up without drag it might be a bad gear in the transfer case or a broken cable if it's a cable drive, could also be a bad or stuck clutch. Hope this helps
Posted on Apr 28, 2010
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