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Old 02-10-2011, 09:03 PM   #1
dano828
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Default craftsman LT1000 briggs & Stratton 18hp

Hello all,
Im looking forward to your expertise.
Im trying to get some help with my craftsman LT !000 Im having starting problems, read a lot from some other forums, however, this one seems the most detailed and user friendly
Thanks
Dano828
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Old 02-10-2011, 09:06 PM   #2
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Default Re: craftsman LT1000 briggs & Stratton 18hp

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Old 02-10-2011, 09:31 PM   #3
truckguy
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Default Re: craftsman LT1000 briggs & Stratton 18hp

What kind of starting problems are you having?
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Old 02-10-2011, 09:32 PM   #4
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Default Re: craftsman LT1000 briggs & Stratton 18hp

welcome dano828 fell free to shoot any of us a post or message if you need help or have a question to ask about your tractor
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Old 02-10-2011, 10:36 PM   #5
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Default Re: craftsman LT1000 briggs & Stratton 18hp

Welcome, and if you give us more details, like model # and symptoms, we can be of some help.
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Old 02-10-2011, 10:48 PM   #6
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Default Re: craftsman LT1000 briggs & Stratton 18hp

Quote:
Originally Posted by dano828 View Post
Hello all,
Im looking forward to your expertise.
Im trying to get some help with my craftsman LT !000 Im having starting problems, read a lot from some other forums, however, this one seems the most detailed and user friendly
Thanks
Dano828
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Old 02-11-2011, 01:09 AM   #7
dano828
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Default Re: craftsman LT1000 briggs & Stratton 18hp

Hello All,
And thank you for the warm welcome.
Here is my problem Craftsman LT 1000 18hp Briggs & Stratton. Problem started last summer, where after a mowing, the tractor would not restart. Would jump it but after running for a while seemed to drain battery. Replaced battery twice to no resolve. Recently replaced starter, terminals all look clean and non corroded. It seems to want to start, 1 or 2 1/2 revolutions per try until battery again drains. New battery again as of today, not starting. Garage is very cold, don't know if that can effect fuel filter etc.... disconnected seat safety switch, did not make a difference. I don't believe that the motor is seized being that it has started with a jump and try's to turn over with a recharged battery before draining battery.
Please help
Dano
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Old 02-11-2011, 01:51 AM   #8
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Default Re: craftsman LT1000 briggs & Stratton 18hp

You mentioned 1-2 1/2 revolutions per try untill the battery again drains. Are you saying that you only crank it 1-2 1/2 revolutions, or that is all the battery has power for? If it is you doing this, most likely it won't start. I have a Craftsman 17hp Briggs, in the summer time it usually starts on the second revolution. But this winter it usually starts on the fourth revolution. The only time I ever have a problem with the battery in the winter is that I don't let it run long enough. I'll start it to move it out of the way and shut it off. Then restart it to put it back in the garage and shut it off right away. It would probably be better if I had 5-30 or 10-30 oil. (It still has 30 weight.) If I use it to blow snow, it always starts the next time I want to use it. Is this an Over Head Valve engine? If so, maybe the rocker arms are too loose. (Rocker arms being to loose won't let the compression release open the valve enough or at all to overcome the compression.) Maybe the charging system is not working good enough or not at all. Please let us know about the cranking. (Are you only cranking it for 1-2 1/2 revolutions, or is this all the battery has power for?) We will need to know this information to accurately help you out. Welcome to MTF, and hope you enjoy your stay.
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Old 02-11-2011, 02:43 AM   #9
dano828
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Default Re: craftsman LT1000 briggs & Stratton 18hp

I will attempt to start it for approx. 10-15 minutes, the answer is I continuously try until the battery wont allow for it to do anything. If I turn the key all the to start it will only turn 1-2 revolutions then I have to try again. If I keep turning the key rapidly between rotations it will come closer to starting
thanks
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Old 02-11-2011, 02:16 PM   #10
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Default Re: craftsman LT1000 briggs & Stratton 18hp

Welcome to the forum, I'm sure you will find lots of help here.
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Old 02-11-2011, 04:25 PM   #11
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Default Re: craftsman LT1000 briggs & Stratton 18hp

What's the Sears 917.xxxxxx # that's under the seat.

When's the last time the valves have been adjusted on the engine?
Briggs OHV engines require the valve lash to be set quite precise in order for the compression release to function.

Does it crank over OK with a freshly CHARGED battery?
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Old 02-11-2011, 04:56 PM   #12
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Default Re: craftsman LT1000 briggs & Stratton 18hp

You may also want to verify that your chargins system is working, as you seem to be plagued by dead batteries.
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Old 02-11-2011, 05:59 PM   #13
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Default Re: craftsman LT1000 briggs & Stratton 18hp

Welcome,

Well Bill does look ups by mower model number, I don't and to know what you problem might be, I need the model number of the ENGINE since there are 3 - 4 different B&S 18 hp engines, some vastly different.

IF I had the engine model number, I just might have "canned" detailed instructions to help, address below, put in proper format.

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Old 02-11-2011, 08:32 PM   #14
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Default Re: craftsman LT1000 briggs & Stratton 18hp

LT1000 with 18hp engine came with either a 18hp OHV Intek Briggs or a 18hp Opposed twin I/C II.

I'm betting it has the 18hp OHV Intek.Common problems on those were the carbs and Head Gaskets.

The Carb has a rubber seat under the float needle valve that either cracked or got hard.This causes gasoline to fill the crankcases full of gasoline.

Head gaskets blow on the 16-19.5hp OHV engines between the push rod cavity and the cylinder wall.And oil enters the combustion chamber,this raises compression atleast 2x.It's very common.

The correct starter for one of these engines (16-19.5hp) by the manual is one off of an opposed twin with the single cylinder top bearing plate.

The correct starter will run you $90-$120.The cheaper starters will bolt up but they will not have enough torch to start the engine.
It's not your battery that's dieing.It's the cheap starter trying to crank over an engine with higher than normal compression.

I have one of the rarer 19.5hp ohv singles here now that is in need of a new head gasket.It smokes for about 10 seconds after it's started.
It had the starter replaced 3 times so far before I got him the correct starter for it.
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