How to mend ... Briggs Black Plug

My Briggs and Stratton motor is running rich, how do I adjust the mixture?

When the mower is running, the engine sounds like it's hunting, reving and dropping. The choke doesn't seem to... [Read more]

engine not firing on # 1 cyl?

I just rebuilt a 18 HP BRIGGS ENGINE AND IT HAS GOOD COMPRISSION ON BOTH CYL. . NEW PISTONS, RODS, VALVES TH... [Read more]

Rich running on a Briggs and Stratton motor on a rotary?

My Briggs & Stratton motor runs erratically. I cleaned the sponge air filter, when I checked the spark plug i... [Read more]

Why does my Briggs & Stratton Soverign 35 runs very rich?

My Briggs & Stratton Soverign 35 runs out of fuel very quickly, the spark plug is black after each run, and th... [Read more]

the engine running to slow with black smoke?

i have classic 35 however it starts ok but the engine rpm not right there is black smoke coming out if i take ... [Read more]

running problem with my briggs and stratton 35 classic?

the engine starts ok but the revs go up and down intermittantly so no power, and slight black smoke from the e... [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]

Champoin Self prop Briggs & Stratton revs continuously?

35 classic briggs and stratton, revs continously. I have chagned air filter, spark plug and checked the bit y... [Read more]

how to wire 14.5 briggs and stratton engine?

red and black wire from under fly wheel goes to what 1 wire from plug coil goes to what and t... [Read more]

Briggs & S 375 sprint engine - leaner mix needed?

My Briggs and startton engine is running too rich. Its revs oscillate wildly in operation and it only runs ... [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]

BRIGGS AND STRATTON 3.5hp?

Hi, I've a B&S powered lawnmower and last week it ran out of fuel and then will not rev up properly. I think ... [Read more]

18 hp briggs and stratton engine wire?

I have a 1993 18 HP briggs and stratton yardman riding lawn mower and there is a red wire and a black wire tha... [Read more]

Mountfield M1 Rotovator Smokes Black?

I have a 1976 Mountfield M1 rotovator 3.5hp Briggs & Sratton Engine. It starts first pull with or without cho... [Read more]

Briggs & Stratton 35 SprintClassic 2.6kW Not Starting?

I have a Mountfield SP470 with a Briggs & Stratton 35 SprintClassic 2.6kW motor model 10D902 type 0153. On tr... [Read more]

how do i get my lawnmower to idle properly??

my briggs@stratton engine will not tick over properly[seems to want to cut out]the plug is black after running... [Read more]

Toro 11-32 rider (model 57360) w/ Briggs 253707-0157-01 mis troubleshooting?

Hello - Of course this problem would come up when the grass is *really* tall, and I need to mow it before my ... [Read more]

How can I fix my push lawnmower Murray(Briggs and Stratton)20" 4.75hp Q?

It started putting out black smoke, then it started running uneven(it would run and lapse, run and lapse) then... [Read more]

HOw can I fix my Briggs & Stratton 375 Sprint lawn mower?

Spark plug covered in black soot. Have to replace with a new spark plug every time to start.

My mower is running badly?

My Mountfield petrol lawn mower is running really badly. The engine seems to be surging then almost dying.... [Read more]