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My gc430 compact size rototiller will start but when I pull the throttle the engine bogs down and stalls. The tines do not turn at all. It worked fine one week ago.

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  • 129 Answers

Try running at half choke until the engine warms up. If this doesn't solve your problem, the carb need adjusted. Adjustments are at the side of carb. there is idle and high adjusters. Also some may have a separate air/fuel mixture.

Posted on Apr 09, 2011


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Posted on Jan 02, 2017


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Engine bogs and stalls when throttle is stepped on idles ok. Code p0134 suggests 02 sensor problem. Any advice?

sounds like low fuel pressure enough for idling but to little during accelererarion. eg. failing fuel pump,blocked fuel filter or fuel pressure valve or sensor

Jun 12, 2016 | Cars & Trucks

1 Answer

Earthquake Vector Compact Tiller Model#26750

Did you pull the spark plug and clean it, as well as the plug well and compression ring. Blow it out with canned air and dry before replacing the plug. Be certain the plug GAP is correct and it is free of carbon deposits. Rest the plug, tighten by hand and let her go. See if that fixes the problem.

Feb 27, 2014 | Earthquake Vector Compact Front Tine...

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.

Aug 03, 2013 | Mantis Tiller

1 Answer

Tiller shuts off when I engage tines. I have changed the oil, cleaned the fuel tank out, checked the plug, I just need to know what adjustments, if any that I need to make.

Is the gear box full of oil? If it is dry it will bog down the engine and stall it. Will the engine run at full speed without the tines engaged? If it doesn't maybe the full throttle mixture screw needs adjusted out CCW a little.

Oct 19, 2011 | Garden

1 Answer

I have a new Rear Tine Earthquake 6065 electric start 196cc rotor tiller. It runs 5 mins. then stalls and dont start. The first time i thought i was short on clean feul so i filled it. it ran about same...

see if it keeps running with the fuel cap a little bit loose. if so the vent hole in the cap is plugged up and not venting. this causes vacuum in the fuel system and starves the engine of fuel. good luck

May 25, 2017 | Ardisam 5.5 Hp Rear Tine Rototiller

1 Answer

Rototiller pull start won't pull

First thing to do, if you haven't already, change the oil, and remove all 'old' gas.
Then, after that's done, remove the plug, in order to de-pressurise the cylinder.
Then try to crank it again.
If it turns, then clearly, it's not ceased.
Remember, don't loose you're patience, just take your time.
Good luck with that:)

Jul 28, 2009 | Husqvarna PRRT850X 960920015 CA 17" Rear...

4 Answers

Sears rear tine rototiller 32-29978 manual

If you find one please let me know as I have the same tiller and no manual.

May 02, 2009 | Craftsman Garden

4 Answers

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).

Apr 19, 2009 | Mantis Tiller

1 Answer

Wheels turn, tines don't

These machines have an arm to activate the tines independantly from the wheels, make sure that the tine arm is in the on position.
If not, seems like you have a transmission problem, you'll have to get dirty to fix this one and open up the transmission casing to see if its just the link between the tine arm and tine crankshaft that broke or if its more serious.

Apr 05, 2009 | Ardisam 5.5 Hp Rear Tine Rototiller

1 Answer

Racing high and low throttle

This erratic idling on my machine usually settles once I put it to work. With a load the engine finds it's air/fuel balance and should work better. hope this helps.

Mar 30, 2009 | Husqvarna PRRT850X 960920015 CA 17" Rear...

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