Mend MTD 118-084R145/AI148B Lawn Mowers

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Find out how to mend MTD 118-084R145/AI148B lawn mowers

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Mend MTD 118-084R145/AI148B Briggs 35 Mower

briggs & stratton quantum 35 wont stay running?

my mtd push mower with a quantum 35 briggs & stratton it will start but then dies right away. if you leave it set 4 a few minutes it will start again but not stay running.i checked spark plug, checked the gas line to see if gas was going through it, sprayed carb with starting fluid did not help, what should i look at next?
make / model 118-084r145/ai148b

ron
May 2008

MTD MTD 118-084R145/AI148B Garden Tools, Lawn Mowers Briggs 35 Mower

i have a quantum 35 on a bike and it will not tick over nice and has flat spots . its been cleaned new gaskets and rebuilt and cannot get it to run smoothly. would removing the governor bar to the carb do anything

ravingking youtube channel
April 2010

Empty the gas tank and clean it throughly especially the screen filter in the bottom. Sounds like as soon as the mower starts sucking gas through the screen it could be getting plugged-up from debris in the tank. When there is no sucktion the debris floats away from the screen.

Mark
September 2008

I too have a bolens/mtd push mower with the quantums b&s engine & it has the same problem. Had mine 2 months, use it sparingly, on about the 3rd tank of gas it stated doing the same thing. Wish it wasn't too late to just take this junk back. I'm sure the warranty shops are packed with these. Very disappointed in this b&s engine. No excuse for such poor reliability.

Frank Gordon
August 2008

Carb definitely needs a THOROUGH disassembly and THOROUGH CLEANING. Leaving these engines setting for over a couple months without running ALL the gas through them will gum them up faster than any other engine I've had. A cheap inline filter helps a lot, too.

kerry3912@google.com
July 2008

Time for a thorough carburettor clean, Ron. Not to difficult on these, just don't use any rags when doing so....use a proper carb cleaner from an aerosol and compressed air if you can to clear things out. The Quantum's also had dodgy fuel taps too.

John
May 2008