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wants to die when warm

Sep 18, 2013#1

D

dwint

I have a 7h.p ohv briggs and it wants to die after about 8-10 min.i tried pushing the primmer button but that floods it.is this a coil problem?

Sep 18, 2013#2

Fish

I would check the valve clearances first.

Sep 18, 2013#3

D

dwint

do you no what they should be ?

Sep 18, 2013#4

MBDiagMan

Also in the case of such a condition with an air cooled engine, there's always the possibility of piston/cylinder siezure. When it dies is the engine easy to turn? If it is not easy to turn when warmed up, you might have a siezure issue.

Larry

Sep 18, 2013#5

EngineMan

dwint said:
I have a 7h.p ohv briggs and it wants to die after about 8-10 min.i tried pushing the primmer button but that floods it.is this a coil problem?

You say there is fuel so it can't be fuel starvation, could be the valves has already posted, it is very hot in that 8-10 minutes..? if so then check for good spark the next time it die's out.

You didn't post the engine numbers so you can check yourself with the chart.

https://www.dropbox.com/s/a0fb9kprm...ecs_english_all BRIGGS & STRATTON_engines.pdf

Sep 18, 2013#6

D

dwint

its not getting hot.this engine is somewhat new.

Sep 19, 2013#7

S

sgmgarden

I'm afraid I am not quite sure what could be happening, I do hope you get it sorted.

Sep 19, 2013#8

Carscw

As soon as it shuts off pull out the spark plug and check for spark

(( cowboy up and get over it ))

Sep 19, 2013#9

Carscw

djdicetn said:
C'mon...find another forum for your Troll-like comments(aka get a life).

It really works. Put the coil in the oven and cook it for a couple hours.

(( cowboy up and get over it ))

Sep 19, 2013#10

djdicetn

Carscw said:
It really works. Put the coil in the oven and cook it for a couple hours.

(( cowboy up and get over it ))

You really are pulling my leg....right???

P.S.
Let's hope you don't agree with that user's post here:

http://www.lawnmowerforum.com/general-mower-discussion/20173-lasting-ztr-2.html#post130898

Sep 19, 2013#11

Carscw

djdicetn said:
You really are pulling my leg....right???

P.S.
Let's hope you don't agree with that user's post here:

http://www.lawnmowerforum.com/general-mower-discussion/20173-lasting-ztr-2.html#post130898

Not pulling your leg it really works.

P.S.
as funny as his post is I don't think that will fix anything on a mower.
Maybe some one will remove him.

(( cowboy up and get over it ))

Sep 19, 2013#12

djdicetn

Carscw said:
Not pulling your leg it really works.

P.S.
as funny as his post is I don't think that will fix anything on a mower.
Maybe some one will remove him.

(( cowboy up and get over it ))

Yeah, I try to post some humor from tiime to time to keep everything on the lighter side...but I did notice that user Ric(who is an Admin) had looked at his profile just don't know if his "violations", should we consider them that, warranted removal. Wish I was having a mid-life crisis(that would mean I'd live to be more than 120 years old:0)

Sep 19, 2013#13

exotion

Carscw said:
Not pulling your leg it really works.

P.S.
as funny as his post is I don't think that will fix anything on a mower.
Maybe some one will remove him.

(( cowboy up and get over it ))

And what does baking the coil accomplish? Just curious

Sep 19, 2013#14

Ric

exotion said:
And what does baking the coil accomplish? Just curious

Nothing

Sep 19, 2013#15

Carscw

exotion said:
And what does baking the coil accomplish? Just curious

If you have a coil that grounds out when it gets hot put it in the oven on 250 for about 2 hours let it cool and it will go to working again. Does not last forever but will last for awhile Many of the old mechanics have done this for years. A mechanic is not the same as a tech. (( cowboy up and get over it ))

Sep 20, 2013#16

djdicetn

Carscw said:
If you have a coil that grounds out when it gets hot put it in the oven on 250 for about 2 hours let it cool and it will go to working again. Does not last forever but will last for awhile Many of the old mechanics have done this for years. A mechanic is not the same as a tech. (( cowboy up and get over it ))

Sounds kinda like the old remedy of putting an alkaline battery in the freezer to extend it's life when it starts showing less "power". I always considered that an urban legend. Sounds like your recommendation would at least give you some time to save up the money for a new one;0)

Sep 20, 2013#17

Carscw

djdicetn said:
Sounds kinda like the old remedy of putting an alkaline battery in the freezer to extend it's life when it starts showing less "power". I always considered that an urban legend. Sounds like your recommendation would at least give you some time to save up the money for a new one;0)

I never understood the battery thing you put a D battery in the freezer and it gives it new life but your car battery goes dead in the winter.

(( cowboy up and get over it ))

Sep 20, 2013#18

exotion

Carscw said:
I never understood the battery thing you put a D battery in the freezer and it gives it new life but your car battery goes dead in the winter.

(( cowboy up and get over it ))

This thought has crossed my mind to. Turns out car batteries have a type of sYstem I forget which kind but its not the normal type. It can freeze and damage parts in the battery it takes a really low temp to freeze but it can. Also when this water gets cold it changes how electricity flows causing slower longer cranking time.

Not sure why small batteries last longer in the freezer but they so. My wife laughs because I leave a mag light in my freezer. Easy to find in case of blackout and will always be able to turn on

Sep 20, 2013#19

djdicetn

exotion said:
This thought has crossed my mind to. Turns out car batteries have a type of sYstem I forget which kind but its not the normal type. It can freeze and damage parts in the battery it takes a really low temp to freeze but it can. Also when this water gets cold it changes how electricity flows causing slower longer cranking time.

Not sure why small batteries last longer in the freezer but they so. My wife laughs because I leave a mag light in my freezer. Easy to find in case of blackout and will always be able to turn on

If you can just keep that mag light in your hand for more than a couple of minutes:0)

Sep 20, 2013#20

exotion

I did not mean to say system... I'm getting used to my phone. I meant water..

Sep 20, 2013#21

Carscw

exotion said:
I did not mean to say system... I'm getting used to my phone. I meant water..

Man I have had a iPhone for 5 years. They just did a update to ios7 now it looks like a little kids play phone and wants to replace words like it knows what I want to say. Heck most if the time I don't know what I want to say.

(( cowboy up and get over it ))

Sep 20, 2013#22

djdicetn

Carscw said:
Man I have had a iPhone for 5 years. They just did a update to ios7 now it looks like a little kids play phone and wants to replace words like it knows what I want to say. Heck most if the time I don't know what I want to say.

(( cowboy up and get over it ))

I hear ya....all that hype about AI(Artificial Intelligence) is just that...hype. Besides, all of the intelligence I have(be it little in quantity) is artificial(I wasn't born with it, so absorbing it from my surroundings doesn't inherently make it a natural occurrence:0)

Sep 20, 2013#23

exotion

djdicetn said:
I hear ya....all that hype about AI(Artificial Intelligence) is just that...hype. Besides, all of the intelligence I have(be it little in quantity) is artificial(I wasn't born with it, so absorbing it from my surroundings doesn't inherently make it a natural occurrence:0)

You just called your brain "hype" good job

Sep 20, 2013#24

djdicetn

exotion said:
You just called your brain "hype" good job

Apparently, you've read more than one of my posts:0)
Actually, I was referring more to the computer AI as hype and just paralleled human intellect as being "artificially obtained" if that makes it any clearer. Sometimes, in my rambling, I obscure what it is I'm trying to say.

Sep 20, 2013#25

reynoldston

Carscw said:
It really works. Put the coil in the oven and cook it for a couple hours.

(( cowboy up and get over it ))

I have never put a coil in the oven, but I had a bad coil on a chain saw and put it in front of my wood stove over night just to see if I could get it to work and it did after. I have tried it since with other coils but no luck. So I would say bad coil replace it but what the heck give the oven a try who knows. Never heard about the spark in the oven but I would think I would try to clean it first. For the cost of a new spark plug I would thing it would be cheaper to replace it over the fuel to bake it in the oven unless maybe your wife would let you put it in the oven when she is making cookies. Oil flavored cookies :licking:

Sep 20, 2013#26

exotion

reynoldston said:
I have never put a coil in the oven, but I had a bad coil on a chain saw and put it in front of my wood stove over night just to see if I could get it to work and it did after. I have tried it since with other coils but no luck. So I would say bad coil replace it but what the heck give the oven a try who knows. Never heard about the spark in the oven but I would think I would try to clean it first. For the cost of a new spark plug I would thing it would be cheaper to replace it over the fuel to bake it in the oven unless maybe your wife would let you put it in the oven when she is making cookies. Oil flavored cookies :licking:

Well if you order a new coil and still need the machine in the mean time bake it

Sep 21, 2013#27

EngineMan

exotion said:
Well if you order a new coil and still need the machine in the mean time bake it

But make sure you do order one, you will need it.....!

Sep 21, 2013#28

Carscw

I have got coils to work again but like I said they will work for awhile not forever.
I do agree that it is best just to buy a new one.

(( cowboy up and get over it ))

Sep 21, 2013#29

reynoldston

EngineMan said:
But make sure you do order one, you will need it.....!

I have to agree on this 100%. Do the job right the first time and it makes the customer a lot happier and they come back for there next repair job. If you try to save them money and it doesn't work good after you are the bad guy.

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