New petrol mower

Alan4711Alan4711 LincolnshirePosts: 1,572

Hi all, after months of surfing the net and physicaly looking at mowers of different types and asking advise, i have just purchased a Qualcast self propelled petrol  148cc 4 stroke 46cm cut, Briggs and Stratton engine ,single lever height adjustment mower,from Homebase, £199. the price seems very cheap for a self propelled mower but Qualcast seem to be well recommended , so i will use this machine or Kate will,  and report back after our last cut this year  and give anyone who might be looking for a mower by then a full report of if its good or not.



  • KT53KT53 Posts: 3,449

    I hope yours works better than mine!  Purchased middle of last year and the engine barely ran above a tick over.  Anything resembling long grass and it stalled. I contacted Qualcast and in fairness they got back to me very quickly.  The problem is that the only way to adjust the running speed of the engine is to remove the air filter and bend a piece of metal connect to a spring until you are happy with the engine speed!  Not the best of solutions I think you will agree.

    It's impossible to do the job with the engine running so it's a case of bend metal lug, start engine, bend metal lug, start engine, bend.....  until you're happy.  That doesn't guarantee that it will actually be OK when you start mowing.  So it could be a case of off with the air filter again, bend.........   Stupid design image

  • Alan4711Alan4711 LincolnshirePosts: 1,572

    Thanks for that KT53 I will have a look at that  cheers matey..

  • flora dogflora dog Posts: 27

     Alan, the throttle of any Briggs I have had works off a wind vane pushed by the throttle speed. The flywheel/magneto has fan fins so the faster it spins (the faster the engine turns) the further the throttle wind vane moves out - this decreases throttle slowing the engine. Get into heavy grass the engine slows so the wind vane moves towards the flywheel and the throttle is increased.


     This is a simple dynamic system that increases throttle as rpm's decrease (a load slows the engine so it throttles up).


    KT53, your throttle governor spring has probably fallen off and needs replacing. Briggs are a great cheap engine, what ends up killing them is the mower body rusting away.  Using petrol stabilizer over winter is the only maintance it should ever need. (wash the underside before storing too to keep moisture minimized.)

  • Hostafan1Hostafan1 Posts: 21,265

    as a professional gardener for over 25 years, I'd never buy anything other than Honda.


  • Hostafan1Hostafan1 Posts: 21,265

    Wise words, as ever, Mike. You comments reminded me of my early days as a professional gardener.

    I had a client once who claimed " the road to the perfect lawn is the self same road as that to bankruptcy" 


  • Alan4711Alan4711 LincolnshirePosts: 1,572

    Morning all ,now this what i call a good chat with good information,iv got my eye on the Governor spring,now can you explain the petrol stabilizer ,i have it with the new mower all waiting for me to oil up, petrol up, and fire up, obviously i can read the can but it sounds very much like a good few people here know what they are talking about,so how and when to use it  please ,and when finished for the winter do i fill up or syphon off the petrol tank, many thanks for all the info  Av a gooden.. Alan 

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