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Garden Tractors Discussion Forum

1972 Monty Ward-oil overfill ?

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charlie n

11-06-2005 13:45:43




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I got a free '72 Monty Ward yesterday- and noticed the oil was overfilled on the stick by about 2 quarts !

I drained it, and put Amsoil synthetic in- and carefully filled it until it was just on the full mark.

So I ran it a bit, stopped it- checked the oil- it's overfull again buy a quart !

what gives ?




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Michael Erway

11-07-2005 19:57:42




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 Re: 1972 Monty Ward-oil overfill ? in reply to charlie n, 11-06-2005 13:45:43  
I'll bet whats left of my hair it's a stuck valve and like another fella indicated, the gas smell will be the tell-tale sign. *****Maybe you kind folks could turn me on to a few good Garden Tractor PULLING Magazines?

Many Thanks, Michael Erway



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MAC,IL

11-06-2005 15:00:08




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 Re: 1972 Monty Ward-oil overfill ? in reply to charlie n, 11-06-2005 13:45:43  
Smell that oil, you are probably getting liquid in it.



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JoeK

11-06-2005 15:30:08




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 Re: 1972 Monty Ward-oil overfill ? in reply to MAC,IL, 11-06-2005 15:00:08  
Sounds like float valve in carb is sticking open and gas is flooding into crankcase....if so,oil will have a gassy smell and be very thin....not expensive but not good.



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Charlie N.

11-07-2005 03:57:22




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 Re: 1972 Monty Ward-oil overfill ? in reply to JoeK, 11-06-2005 15:30:08  
Thanks for fuel suggestion- but I got to thinking- it's an updraft carb- the intake pipe between carb and engine goes up to the intake port- there's no way for thhat much fuel to flood into the engine, it would have to fill that entire pipe solid with gas first. The engine idles very smoothly, does not appear to be flooding. But I'll check into it further today. I had the carb apart and cleaned it, everything looked ok- if it was flooding that much, I don't think it would even run, would it ?

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JT

11-07-2005 05:55:30




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 Re: 1972 Monty Ward-oil overfill ? in reply to Charlie N., 11-07-2005 03:57:22  
No, it would not have to fill the pipe to flood fuel into the crankcase. This is a very common problem and the best way to solve this is to repalce the needle and seat in the carb. If this has a vacumn fuel pump on the engine, it will also have the problem you have.



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Charlie N

11-07-2005 06:07:00




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 Re: 1972 Monty Ward-oil overfill ? in reply to JT, 11-07-2005 05:55:30  
ok, I just checked the oil level this morning- and it's lower than yesterday.

This has something to do with when the engine warms up and the dipstick is pushed in the tube quickly- I have a feeling it's pushing the oil level up higher somehow. Now it appears there is no problem.

A small 1-cylinder engine, flooding as much as you are suggesting- would not give the idle mixture adjustment response this does. I can lean the needle out and get a lean roll, or richen it and get a rich roll. If it was flooding, it would always be rich and the idle mixture would be way off.

I'm going to drive it a while and keep my eye on it. Thanks for suggestion. It would not be a bad idea to put a kit in the carb anyway.

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Kent of SW MO

11-07-2005 06:44:06




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 Re: 1972 Monty Ward-oil overfill ? in reply to Charlie N, 11-07-2005 06:07:00  
If this is a horizontal crankshaft engine gas can not get into the oil like a vertical crank engine. If this is a B&S engine with a plastic tube which extends the dipstick, they are very bad about holding oil around the dipstick which gives BAD readings. If you check after running the engine if will read high. Let the engine set about 10 minute and then check. You will also note if as you move the dipstick in and out of the tube you willpull oil up into the tube which will also give BAD readings. Check the oil on the FIRST pull of the dipstick. I have never liked this dipstick/ extended oil fill of B&S's.

Kent

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Charlie N

11-08-2005 03:27:46




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 Re: 1972 Monty Ward-oil overfill ? in reply to Kent of SW MO, 11-07-2005 06:44:06  
it's horizontal crank- that's what I was saying- it's physically impossible for gas to get into the engine, not 2 quarts of gas- I didn't even have that much gas in the gas tank to begin with.

thanks for clarifying- it's obviously a quirk of the dipstick tube assembly



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ebbsspeed

11-07-2005 14:09:51




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 Re: 1972 Monty Ward-oil overfill ? in reply to Kent of SW MO, 11-07-2005 06:44:06  
I've got an Onan twin on an old case and also have this problem when the engine is cold. The conclusion that I've come to is that, after the engine is shut off and cools, the air in the dipstick tube cools, and creates a slight vacuum which pulls oil up into the tube a bit. The dipstick cap has an o-ring which seals the tube tightly. If it were vented then this wouldn't happen, but then the crankcase vent system wouldn't work properly either. So I made a separate dipstick that I use just to check the level with.

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Charlie N

11-08-2005 03:29:57




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 Re: 1972 Monty Ward-oil overfill ? in reply to ebbsspeed, 11-07-2005 14:09:51  
I think the best thing to do is measure the oil out when changing it, to be sure only that much goes in. I think the capacity was listed at 4 pints, next time I change it, just putting 4 pints in that's it.



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