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Chat Area => General Discussion Area => Topic started by: Taxi_Driver on 01 June 2014, 17:39:02

Title: Lawn Mower
Post by: Taxi_Driver on 01 June 2014, 17:39:02
Its a Briggs and Stratton 4 stroke.

Started ok earlier.....running fine....cut half the grass and then it started missing quite badly...but doesnt stall...

After letting it cool down, ive taken the plug out...looked quite black, but doesnt look worn.
Cleaned it up with a wire brush and refitted.

Started up ok.....running fine...then after about 10 secs starts missing badly again.

Worth trying a new plug??
Title: Re: Lawn Mower
Post by: pscocoa on 01 June 2014, 18:00:08
Was fuel dirty  or running on near to empty? Fuel filter clean perhaps.
Title: Re: Lawn Mower
Post by: Field Marshal Dr. Opti on 01 June 2014, 18:00:17
Its a Briggs and Stratton 4 stroke.

Started ok earlier.....running fine....cut half the grass and then it started missing quite badly...but doesnt stall...

After letting it cool down, ive taken the plug out...looked quite black, but doesnt look worn.
Cleaned it up with a wire brush and refitted.

Started up ok.....running fine...then after about 10 secs starts missing badly again.

Worth trying a new plug??

Can't do any harm. Have you checked the air filter?

Fuel starvation.......shit in the carb?
Title: Re: Lawn Mower
Post by: plym ian on 01 June 2014, 18:20:56
Any codes :D :D

Suspect cam sensor :y
Title: Re: Lawn Mower
Post by: Taxi_Driver on 01 June 2014, 18:59:20
Was fuel dirty  or running on near to empty? Fuel filter clean perhaps.

It initially wouldnt start....a quick peep in the fuel tank told me it was low (the pickup for the fuel is about 1cm from bottom of tank, so running out of fuel isnt really a problem as theres about 1cm of fuel left for crap to settle in. Filled it up with fuel bought about 1 month ago.
Then ran fine for 1/2 the lawn....
Title: Re: Lawn Mower
Post by: Taxi_Driver on 01 June 2014, 19:02:42
Its a Briggs and Stratton 4 stroke.

Started ok earlier.....running fine....cut half the grass and then it started missing quite badly...but doesnt stall...

After letting it cool down, ive taken the plug out...looked quite black, but doesnt look worn.
Cleaned it up with a wire brush and refitted.

Started up ok.....running fine...then after about 10 secs starts missing badly again.

Worth trying a new plug??

Can't do any harm. Have you checked the air filter?

Fuel starvation.......shit in the carb?

Air filter is a bit black at the intake side and oily throughout (which i think its suppose to be oily  :-\ ) However i tried without air filter fitted and it missed the same.

Carb look clean to me....

I'll try a new plug tomorrow  :y
Title: Re: Lawn Mower
Post by: Stemo on 01 June 2014, 19:06:18
Its a Briggs and Stratton 4 stroke.

Started ok earlier.....running fine....cut half the grass and then it started missing quite badly...but doesnt stall...

After letting it cool down, ive taken the plug out...looked quite black, but doesnt look worn.
Cleaned it up with a wire brush and refitted.

Started up ok.....running fine...then after about 10 secs starts missing badly again.

Worth trying a new plug??

Can't do any harm. Have you checked the air filter?

Fuel starvation.......shit in the carb?

Air filter is a bit black at the intake side and oily throughout (which i think its suppose to be oily  :-\ ) However i tried without air filter fitted and it missed the same.

Carb look clean to me....

I'll try a new plug tomorrow  :y
Trade it in for a gardener. :y
Title: Re: Lawn Mower
Post by: Taxi_Driver on 01 June 2014, 19:13:21
Its a Briggs and Stratton 4 stroke.

Started ok earlier.....running fine....cut half the grass and then it started missing quite badly...but doesnt stall...

After letting it cool down, ive taken the plug out...looked quite black, but doesnt look worn.
Cleaned it up with a wire brush and refitted.

Started up ok.....running fine...then after about 10 secs starts missing badly again.

Worth trying a new plug??

Can't do any harm. Have you checked the air filter?

Fuel starvation.......shit in the carb?

Air filter is a bit black at the intake side and oily throughout (which i think its suppose to be oily  :-\ ) However i tried without air filter fitted and it missed the same.

Carb look clean to me....

I'll try a new plug tomorrow  :y
Trade it in for a gardener. :y

Unfortunately, im not as wealthy as you Steve....I cannot afford to buy nearly new Daewoo's, I have to settle for a clapped out VW Passat thats now done 210k  :'( Let alone have a gardener  :(
Title: Re: Lawn Mower
Post by: martin42 on 01 June 2014, 19:21:18
What do you expect using pattern petrol and air  ;D ;D
Title: Re: Lawn Mower
Post by: Stemo on 01 June 2014, 19:22:07
You could leave the gardener to do his job and go out in your ancient VW. A couple of 'scenic route' fares should earn you enough to pay him and have enough left for a used Daewoo. ;D
Title: Re: Lawn Mower
Post by: Taxi_Driver on 01 June 2014, 20:38:40
You could leave the gardener to do his job and go out in your ancient VW. A couple of 'scenic route' fares should earn you enough to pay him and have enough left for a used Daewoo. ;D

I would reckon...my council would think im taking the piss if i tried to licence a Daewoo as a taxi  ;D ;D

BTW I had a good 'scenic route' on Saturday.....customer was quoted £55 for the trip, by my office, it actually ran....£40.....so i charged £55, as you do, was given £60....result  :y  :D
Title: Re: Lawn Mower
Post by: Stemo on 01 June 2014, 20:41:46
You could leave the gardener to do his job and go out in your ancient VW. A couple of 'scenic route' fares should earn you enough to pay him and have enough left for a used Daewoo. ;D

I would reckon...my council would think im taking the piss if i tried to licence a Daewoo as a taxi  ;D ;D

BTW I had a good 'scenic route' on Saturday.....customer was quoted £55 for the trip, by my office, it actually ran....£40.....so i charged £55, as you do, was given £60....result  :y  :D
Well......as long as you don't try an insignia......insufficient rear space......so I'm told.... ::)  ;D
Title: Re: Lawn Mower
Post by: TheBoy on 01 June 2014, 21:45:18
B&S normally have foam filters. If it does, wash this out and dry thoroughly, then oil it (cover in oil, put in a sandwich bag and squeeze it a few times to really get the oil impregnated) and try again.

Might be a bit smokey for 5 mins. Reclean plug once the smoking stops.
Title: Re: Lawn Mower
Post by: Rods2 on 01 June 2014, 23:46:04
B&S normally have foam filters. If it does, wash this out and dry thoroughly, then oil it (cover in oil, put in a sandwich bag and squeeze it a few times to really get the oil impregnated) and try again.

Might be a bit smokey for 5 mins. Reclean plug once the smoking stops.

Mine and neighbours lawn mowers when I repaired them both have B&S engines and paper air filters.

Might be worth getting a service kit, they are typically about £7 off ebay.
Title: Re: Lawn Mower
Post by: Rog on 02 June 2014, 07:17:00
Its a Briggs and Stratton 4 stroke.

Started ok earlier.....running fine....cut half the grass and then it started missing quite badly...but doesnt stall...

After letting it cool down, ive taken the plug out...looked quite black, but doesnt look worn.
Cleaned it up with a wire brush and refitted.

Started up ok.....running fine...then after about 10 secs starts missing badly again.

Worth trying a new plug??

It's a blood clot in the leg, for sure

http://www.omegaowners.com/forum/index.php?topic=124055.0


Title: Re: Lawn Mower
Post by: ronnyd on 02 June 2014, 07:43:47
I,m sure Dr Opti  will send one of his team of horticulturists to help you in your hour of need :y
Title: Re: Lawn Mower
Post by: Marks DTM Calib on 02 June 2014, 08:30:07
Is it a proper Briggs and Straton or one of the modern wanky chinese built pieces of rubbish? (ie less than five yars old?).



Title: Re: Lawn Mower
Post by: Sir Tigger KC on 02 June 2014, 10:08:45
Get an electric mower!  :y

Plug in, mow lawn, sit back and admire your handiwork with a Pimm's whilst laughing at neighbours colourful language drifting over the fence while trying to start his mower!  ::)  ;D


Title: Re: Lawn Mower
Post by: TheBoy on 02 June 2014, 14:38:34
Get an electric mower!  :y

Plug in, mow lawn, sit back and admire your handiwork with a Pimm's whilst laughing at neighbours colourful language drifting over the fence while trying to start his mower!  ::)  ;D
Get a petrol one, wait for your neighbour to start with his wanky electric, then start your petrol one and do front and back before your neighbour has done one lawn...   ...then get a mans drink, and admire...
Title: Re: Lawn Mower
Post by: omega3000 on 02 June 2014, 14:48:22
Has it got points  :-\ Mite be thinking of the Villiers i had , cleaned the points up and ran fine  :)
Title: Re: Lawn Mower
Post by: biggriffin on 02 June 2014, 15:32:18
What do you expect using pattern petrol and air  ;D ;D
and pattern grass ;D
Title: Re: Lawn Mower
Post by: GastronomicKleptomaniac on 02 June 2014, 16:18:43
Get an electric mower!  :y

Plug in, mow lawn, sit back and admire your handiwork with a Pimm's whilst laughing at neighbours colourful language drifting over the fence while trying to start his mower!  ::)  ;D
Get a petrol one, wait for your neighbour to start with his wanky electric, then start your petrol one and do front and back before your neighbour has done one lawn...   ...then get a mans drink, and admire...

I must agree, having just used my new-to-me petrol mower for the first time. How have I lived for *mumble mumble* years without one? And mine appears to be some sort of wanky Chinese shit, but I got it for peanuts. And a strimmer. And they smell much better than an electric as well, which is of huge importance...
Title: Re: Lawn Mower
Post by: Taxi_Driver on 02 June 2014, 18:42:43
Is it a proper Briggs and Straton or one of the modern wanky chinese built pieces of rubbish? (ie less than five yars old?).

Actually its branded as B&Q, but the engine has Briggs and Straton markings all over it and around 10 years old .... i must admit ive done zero maintenance on it  ::)

New plug bought on ebay....turning up on tues apparently

If that doesnt fix it, then i'll try TB's advice of cleaning the sponge air filter  :y
Title: Re: Lawn Mower
Post by: Kevin Wood on 02 June 2014, 19:04:07
My money's on a blockage in the carb. I don't think I've ever replaced a plug in a lawn mower.

If it's the type with the carb bolted onto the top of the fuel tank they are a piece of cake to strip and clean. Rescued one a couple of years back after my little brother declared it dead. ;D
Title: Re: Lawn Mower
Post by: Marks DTM Calib on 02 June 2014, 20:30:18
Yeh, it will be the carb, the ignition systems on them are bulletproof
Title: Re: Lawn Mower
Post by: Sir Tigger KC on 03 June 2014, 00:59:29
Get an electric mower!  :y

Plug in, mow lawn, sit back and admire your handiwork with a Pimm's whilst laughing at neighbours colourful language drifting over the fence while trying to start his mower!  ::)  ;D
Get a petrol one, wait for your neighbour to start with his wanky electric, then start your petrol one and do front and back before your neighbour has done one lawn...   ...then get a mans drink, and admire...

 ;D ;D ;D

You can mock TB, but when have we had a "I can't get my 'leccy mower going" thread? Hey??  ???  ::)  ;)
Title: Re: Lawn Mower
Post by: Marks DTM Calib on 03 June 2014, 08:11:29
Thats because when the electric mower goes you bin them knowing there is naff all you cna do about it  ;D

I have to say, my petrol mows both lawns in less than half the time and if the grass is a bit long, it barely breaks a sweat, unlike the electric mower it replaced.  :y
Title: Re: Lawn Mower
Post by: Taxi_Driver on 03 June 2014, 19:16:22
Who said a new spark plug wouldnt fix it??  :-\
Title: Re: Lawn Mower
Post by: Taxi_Driver on 03 June 2014, 19:23:21
Well, you were right  ;D It didnt fix the missfire... :(

Ive taken the carb off it.....not that easy!! after removing the pull start assembly and petrol tank...

Carb didnt look bad....tho i did poke a small needle into any small holes i could see....nothing seemed blocked......however the carb diaphram/gasket looked as tho it had seen better days....so ive ordered new set of these and a new sponge air filter for good measure.....hope that fixes it  :y
Title: Re: Lawn Mower
Post by: Taxi_Driver on 03 June 2014, 19:26:29
Thats because when the electric mower goes you bin them knowing there is naff all you cna do about it  ;D

I have to say, my petrol mows both lawns in less than half the time and if the grass is a bit long, it barely breaks a sweat, unlike the electric mower it replaced.  :y

Oh Yes.....a petrol mower can cut a field of hay.....the engine may 'grunt' a bit but it does it.....where as an electric.....would be tripping the overload cutout every few mins  ;)
Title: Re: Lawn Mower
Post by: Sir Tigger KC on 03 June 2014, 22:58:56
Thats because when the electric mower goes you bin them knowing there is naff all you cna do about it  ;D

I have to say, my petrol mows both lawns in less than half the time and if the grass is a bit long, it barely breaks a sweat, unlike the electric mower it replaced.  :y

Oh Yes.....a petrol mower can cut a field of hay.....the engine may 'grunt' a bit but it does it.....where as an electric.....would be tripping the overload cutout every few mins ;)

Rubbish!  ;D  As long as you cut it regularly it's fine!  :y

Mind you sounds like you lot are a bunch of slack arses when it come to grass cutting and by the time you get round to it you're cutting down rain forests!  :o  ::)  No wonder your petrol mowers are all buggered!!  :P  ;D
Title: Re: Lawn Mower
Post by: Rods2 on 04 June 2014, 16:04:36
Thats because when the electric mower goes you bin them knowing there is naff all you cna do about it  ;D

I have to say, my petrol mows both lawns in less than half the time and if the grass is a bit long, it barely breaks a sweat, unlike the electric mower it replaced.  :y

Oh Yes.....a petrol mower can cut a field of hay.....the engine may 'grunt' a bit but it does it.....where as an electric.....would be tripping the overload cutout every few mins ;)

Rubbish!  ;D  As long as you cut it regularly it's fine!  :y

Mind you sounds like you lot are a bunch of slack arses when it come to grass cutting and by the time you get round to it you're cutting down rain forests!  :o  ::)  No wonder your petrol mowers are all buggered!!  :P  ;D

My motor mower easily cuts foot high grass as long as you have it on a high cut setting. Not that I had a reminder over the weekend. ::) :-[ :-X
Title: Re: Lawn Mower
Post by: TheBoy on 04 June 2014, 17:16:03
I was reminded how naff electric ones were by having to borrow one last year, after years of using my old Honda. It was a pain in the backside.

Hence, I now have a petrol one again :)
Title: Re: Lawn Mower
Post by: Stemo on 04 June 2014, 17:40:24
I cut both of my lawns on Monday with my flymo, grass was long and wet. Now it's short and neat and I didn't wake the neighbourhood up.

This forum is getting worse for old fogies. Drive a big old barge and don't trust owt without an engine lad. ;D
Title: Re: Lawn Mower
Post by: TheBoy on 04 June 2014, 17:44:17
This forum is getting worse for old fogies. Drive a big old barge and don't trust owt without an engine lad. ;D
I got a strange look at the cycle hire place, when I queried where the engine was...
Title: Re: Lawn Mower
Post by: Stemo on 04 June 2014, 17:51:32
This forum is getting worse for old fogies. Drive a big old barge and don't trust owt without an engine lad. ;D
I got a strange look at the cycle hire place, when I queried where the engine was...
You're telling the truth, aren't you?  ;D
Title: Re: Lawn Mower
Post by: Taxi_Driver on 06 June 2014, 19:16:16
Fixed it!!  :y :) Missing has gone  :y

The replacement carb gasket and diaphram seems to have fixed it  :y

I reckon the old diaphram was letting too much petrol in.....because when i started it before, it used to smoke (white) quite badly for about 10secs until it started to warm up.......doesnt do that now  :y
Tho i was running it without airfilter.....would that make the difference  :-\

A question tho.....I probably didn't need a new air filter....but i got one anyway....what sort of oil are you suppose to soak it in? Will Vx 10-40 do the job?
Title: Re: Lawn Mower
Post by: chrisgixer on 06 June 2014, 19:55:20
Its a Briggs and Stratton 4 stroke.

Started ok earlier.....running fine....cut half the grass and then it started missing quite badly...but doesnt stall...

After letting it cool down, ive taken the plug out...looked quite black, but doesnt look worn.
Cleaned it up with a wire brush and refitted.

Started up ok.....running fine...then after about 10 secs starts missing badly again.

Worth trying a new plug??
Had the same with mine. There's a gadget in the carb somewhere with a flappy bit in, like a reed valve. Repla ed on mine. All sorted.
Title: Re: Lawn Mower
Post by: chrisgixer on 06 June 2014, 19:56:17
Too late. Isn't that just like Drs. :-[ ;D
Title: Re: Lawn Mower
Post by: Vamps on 06 June 2014, 21:26:29
I cut both of my lawns on Monday with my flymo, grass was long and wet. Now it's short and neat and I didn't wake the neighbourhood up.

This forum is getting worse for old fogies. Drive a big old barge and don't trust owt without an engine lad. ;D

So you did cut it then......... ;D ;D ;D
Title: Re: Lawn Mower
Post by: Stemo on 06 June 2014, 22:10:36
I cut both of my lawns on Monday with my flymo, grass was long and wet. Now it's short and neat and I didn't wake the neighbourhood up.

This forum is getting worse for old fogies. Drive a big old barge and don't trust owt without an engine lad. ;D

So you did cut it then......... ;D ;D ;D
Shit! Rumbled...... ;D
Title: Re: Lawn Mower
Post by: Vamps on 06 June 2014, 22:15:19
I cut both of my lawns on Monday with my flymo, grass was long and wet. Now it's short and neat and I didn't wake the neighbourhood up.

This forum is getting worse for old fogies. Drive a big old barge and don't trust owt without an engine lad. ;D

So you did cut it then......... ;D ;D ;D
Shit! Rumbled...... ;D

 :D :D
Title: Re: Lawn Mower
Post by: Taxi_Driver on 08 June 2014, 19:49:55
Its worked well today....cut my neighbours hay field  ::) ;D
Plus my own.....

£7.50 spent on plug/carb gasket kit/air filter.....not bad for 10 years abuse....75p/year

Might treat it to an oil change and get the blade sharpened.....maybe  ::) ;D
Title: Re: Lawn Mower
Post by: Marks DTM Calib on 09 June 2014, 08:32:25
Fixed it!!  :y :) Missing has gone  :y

The replacement carb gasket and diaphram seems to have fixed it  :y

I reckon the old diaphram was letting too much petrol in.....because when i started it before, it used to smoke (white) quite badly for about 10secs until it started to warm up.......doesnt do that now  :y
Tho i was running it without airfilter.....would that make the difference  :-\

A question tho.....I probably didn't need a new air filter....but i got one anyway....what sort of oil are you suppose to soak it in? Will Vx 10-40 do the job?

Yes, running without the air filter makes a big difference on such things.

Further more, many of them pump the fuel using a flappy rubber diaphram which is actuated by the vac pulse between the carb and the air filter.....no air filter, no pulse.

Others use the pulse of pressure from the crank case.

Then others use a gravity feed.
Title: Re: Lawn Mower
Post by: Taxi_Driver on 09 June 2014, 18:24:18
Fixed it!!  :y :) Missing has gone  :y

The replacement carb gasket and diaphram seems to have fixed it  :y

I reckon the old diaphram was letting too much petrol in.....because when i started it before, it used to smoke (white) quite badly for about 10secs until it started to warm up.......doesnt do that now  :y
Tho i was running it without airfilter.....would that make the difference  :-\

A question tho.....I probably didn't need a new air filter....but i got one anyway....what sort of oil are you suppose to soak it in? Will Vx 10-40 do the job?

Yes, running without the air filter makes a big difference on such things.

Further more, many of them pump the fuel using a flappy rubber diaphram which is actuated by the vac pulse between the carb and the air filter.....no air filter, no pulse.

Others use the pulse of pressure from the crank case.

Then others use a gravity feed.

Thanks for the info Mark.

There was a flappy thing on the diaphram, there was also a spring that pressed on the diaphram as well. I think it was this part of the diaphram that was knackered, as the diaphram had assumed the shape of being pressed out by the spring and didnt have any elasticity resistance to the spring, if that makes sense  :-\

Doesnt smoke anymore when starting with the air filter fitted either  :y