How to mend ... Mower Running Rough

How can I stop my mower running erratically?

I have a Mountfield SP544. I've had it for about five years with no trouble at all. Service it etc. Suddenly i... [Read more]

blowing black smoke & running rough?

2001 mountfield 35 petrol mower blowing black smoke and keeps coughing

Rough running on a Qualcast 35S Classic Petrol Mower?

A few weeks ago I inherited one of these mowers. It was running fine, with excellent low-speed tickover and s... [Read more]

engine cutting out mcculloch lawn mac 3540p?

i replaced with new spark plug starts fine now but when you go to push it it starts to cut out the engine is h... [Read more]

lawn mower?

engine is trying to rev up then slows down so running rough

One of my spark plus is white on my John Deere L120 riding lawn mower?

My 22 hp Briggs and Stratton engine is running rough at high rpm. I checked the spark plugs and one of them is... [Read more]

Engine running rough after hitting a stone?

I have a rotary petrol mower, powered by a Briggs & Stratton HP470. Yesterday I hit a kerb stone and the engin... [Read more]

Choke assembly on Briggs Spirit 375?

Hi, I have a Hayter Hawk with a B&S Spirit 375, which is running rough (revs from medium to low intermittentl... [Read more]

how can i fix this problem briggs & strattion engine 450 series 148 cc?

when i start my lawn mower from cold it runs for about three seconds then dies it only keeps running if i keep... [Read more]

qualcast 35s mower uneven running on idle?

qualcast petrol 35s runs rough on idle

briggs and statton 15.5 hp intec ohv?

The engines in a murray sentinel ride on mower. It starts ok when choked and runs when you pull it back to ful... [Read more]

Craftsman LT1200 mower won't start or runs rough?

I have a Craftsman LT1200 mower. Sometimes it won't start, no clicking, nothing. When it does start, it runs l... [Read more]

Mountfield Laser Omega Running fast and slow?

My mower is fitted with a briggs and stratton engine and has just started running a bit rough, it runs fast th... [Read more]

Lawn mower running rough?

Hello I've had a Briggs and Stratton 35 Classic 3.5 hp for about 8 years and its been great until recently. I... [Read more]

Help with my Mountfield SP470?

We have an SP470 fitted with a Briggs & Stratton Model 10D902 motor. The mower is running very hot rough and s... [Read more]

How do I tune my Honda HT3813 ride on mower?

I have a Honda HT3813. The engine is running very rough. I have changed the spark plugged but do not get full ... [Read more]

Hayter Petrol Mower running rough?

Its doesnt seem to be running at full speed, it was running ok and then it slowed down and cant really cut lon... [Read more]

Rough Running Victa 35 series (New)?

I have a brand new Victa 35 series mower with a Briggs and Straton engine. It has never missed a beat until a... [Read more]

7hp B&S runs rough then stalls?

My Sears 7HP self-propelled mower with 7hp B&S has run about 20 hours total. When I first got it new it ran a ... [Read more]