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problems with lawn tractor
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Posted by michael951 (My Page) on Fri, Apr 6, 07 at 23:50
| Hi, I got a huskee lawn tractor that won't work right. The problem is that on the starter motor the clutch drive and gear pinion have broken. These are the things that engage the geared wheel in order to turn it and start the engine. Well I replaced the 100 dollar starter with a new one and this time I was able to start it about 7 times or so and then these starter parts broke on me again. Same parts. The starter motor is ok but this gear pinion and clutch drive keep on breaking. Any ideas on why this is happening. If you wanna look at a picture of the starter it is located here http://www.partstree.com/parts/?lc=briggs_and_stratton&mn=258702-0104&dn=25550011 Thanks |
Follow-Up Postings:
RE: problems with lawn tractor
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| Michael, Engines utilize a "compression release" mechanism, which
is part of the camshaft. If this CR is not functioning as
it should, the engine will labor when trying to start it.
It also causes a great strain on the starter motor trying
to turn the engine over. This problem can also be caused
by the valves being out of adjustment, thus keeping the
compression release from being able to work as it should.
You may want to get all of this....checked out before
spending another $100 bucks or so on a new starter. Seems
that the starter is NOT the problem. T-Man |
RE: problems with lawn tractor
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| Ringear ok? Does it want to kick back when cranking? Does it start right away or an extended crank? OEM parts installed? There are specific pinion gears for metal vs plastic ring gears. |
RE: problems with lawn tractor
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| Ringear looks fine. How can I tell if it is kicking back because I didn't notice anything. It starts like it always has in the past. Purchased it at a local guy so it better be OEM. I cannot remember what gear material my first starter was made of was but this one is made of plastic. How can I tell what material the gear should be made of. Messing with the valves seems to be complex tekumcman. Maybe I should leave this to somebody else unless it is easy. How do you do this. Thanks |
RE: problems with lawn tractor
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| Not sure why you replaced the complete starter when #510A is the problem. Maybe only #783 ?? I'm not sure your engine has a CR. It doesn't appear so from the IPL (link below)
Question to the group- Do Flatheads have an ACR?? Is there any possibility that the flywheel key may have been sheared? IF SO, that could throw the ignition timing off, causing "kick back". |
Here is a link that might be useful: IPL
RE: problems with lawn tractor
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| I replaced the hole starter becuase that is what the guys at the place sold me. At the time I didn't know that I could get replacement parts. I handed it to them and said this part broke they handed me a new starter and thats it. Should've just googled it. Oh well. Live you learn. This information might help some too. The engine information is model=287707 Type=0224-01 Code=9602142D Briggs and stratton 14.5 hp engine. The huskee lawn tractor info is Model=136m673g131 Serial=1b196h10016. Thanks |
RE: problems with lawn tractor
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| So it's an OHV engine! I saw the 258# from the first post and assumed it was a 258xxx series..
NEW Link below. There are 3 different pinion gears used, depending on the material the ring is is made of. (steel, alum or plastic RG's)
Part# 783, 783A & 783B Check the valve adjustment. Excessive lash on the exhaust valve can cause the ACR not to function.
Intake .004"
Exhaust .006"
Both +/- .001" |
Here is a link that might be useful: Link
RE: problems with lawn tractor
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| 1) Sure there are flatheads that have ACR - Kohler K and M series for one. 2) Check the points setting - Too far advanced timing (e.g. point gap to small) can make it harder to start and also make the engine run hot. |
RE: problems with lawn tractor
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| Assuming that there is no kickback, another possible cause is that your starter is continuing to run after you release the key. Does that seem to be the case? One can usually hear it or you can tell by putting your hand on the starter (or by viewing the starter gear obviously as the starter gear should drop away from the flywheel ringgear once started). If that is the case your starter solenoid or switch would be the likely culprit. This engine does not have ignition points so disregaurd that possibility. Yes it has a compression release, but would be a concern if it is kicking back. |
RE: problems with lawn tractor
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| The ring gear looks either aluminum or steel. I am guessing aluminum because it doesn't have any rust on it. Does this mean that they messed up and they sold me the wrong part? Thanks |
RE: problems with lawn tractor
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| Anybody know this one? Essentially the ring gear is definitely made of aluminum or steel. But I am guessing aluminum because of no rust like what I wrote. Does this mean the guys at the parts store should've sold me one with a aluminum pinion gear. How can I fix this. Looking at the parts diagram it looks like the starters that are sold with an aluminum, steel, or plastic pinion gears are exactly the same except for the pinion gear. So mayby I can just purchase an aluminum pinion gear and place it on this starter. What do you think? Was this the reason why it broke? Thanks as always. |
RE: problems with lawn tractor
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| I would ASSume the original pinion gear would have been the correct material?? Got a magnet? You can get the parts at your local B&S dealer. Just use the specific part# from the IPL that I linked to above (the 2nd & "correct" link) I don't know if they'll have it in stock or have to order. |
RE: problems with lawn tractor
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| I think it was aluminum. Cannot remember because this happened last year and know I am getting around to fix it. I do know that the ring gear on the engine isn't plastic so that means I was sold the wrong part. oh well. As far as telling whether or not it is steel or aluminum I think the best way to check that is just by seeing if there is any rust on it. No rust. So it must be aluminum. Moreover I measured the starter motor that I was sold. It is 3 3/4" long and on the IPL list it should be 3 5/8" long. Maybe I was sold a aftermarket (not oem) one as well. This could explain the reason why it broke so soon. Thanks |
RE: problems with lawn tractor
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A magnet will let you know if it's steel or aluminum!
Once you determine that, then you can look up the PROPER part#. (you have a magnet on your fridge don't you?) It's not safe to naturally assume they are both the same metal. They MIGHT use the opposites for some reason like noise or??? I certainly wouldn't let 1/8" difference in motor length bother me as long as it fit properly. The wrong pinion gear definitely would. That's why they have parts books! |
RE: problems with lawn tractor
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| I have the same engine and my starter went up. I had the plastic ring gear and it was torn up! My question is, can I use a starter with either an alum. or steel ring gear, and which out of the three is the best? |
RE: problems with lawn tractor
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| Nevermind the posting above. I am engine illerate and what I meant was that my starter had a plastic drive gear and my engine has a alum. ring gear. I question I was asking is what would be the best starter drive gear to use. Plastic like I originally had or alum. since I have an alum. ring gear? |
RE: problems with lawn tractor
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Plastic starter gear against aluminum ring gear! Nothing else!
Also: Red is Positive, Black is Negative, with your battery connections! I also think, with all of the monies already payed out, you should have taken it to a repair shop, and payed the money one time, and been done with it!
Remember---some people are very good as cooks, some as writers, some as crooks, some as doctors, but when it comes to small engines, take it to somebody local and pay the price! You'll pay less money in the end, and the machine will run right! As for those guys who sold you a whole starter, instead of the parts it needed, they are crooks! |
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