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Briggs decompression. #5440837 05/28/20 10:34 AM
Joined: May 2019
Posts: 34
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BSeward Offline OP
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You've heard it before.. low hour Intek single cylinder stops at TDC. Checked battery, valve adjustment - no start.
I'd seen a video about removing the air filter and putting my hand over the intake to stop air from getting into the cylinder.
No better.. Then I got the idea to turn the engine by hand a couple revolutions backward. Doing both of these together allows the engine to spin right over and run perfectly. My neighbor, who owns the mower, is using it as I speak.

When I started it in front of him a couple minutes ago, he gave me a look like I was a genius..


Husky 22V46 mower.
TroyBilt snowblower. RIP.
Ariens 5522 snowblower.
Power Smart 4 stroke trimmer.
1985 Yamaha Vmax motorcycle.
2002 Yamaha Roadstar.
2011 Kia Soul.

Re: Briggs decompression. [Re: BSeward] #5440852 05/28/20 10:54 AM
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boom10ful Offline
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Check the shear pin on the flywheel.


2003 Hyundai Santa Fe (RIP) 148K
2016 Hyundai Sonata Hybrid 86K
Re: Briggs decompression. [Re: BSeward] #5440866 05/28/20 11:08 AM
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Alfred_B Offline
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I've discarded two lawn tractors because of Briggs engines losing compression and am sworn to never buy anything with a Briggs Stratton engine.

Re: Briggs decompression. [Re: BSeward] #5440920 05/28/20 12:07 PM
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CR94 Online Content
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Cause?


2011 Toyota Prius now at 111K
1981 Mazda GLC (323) retired at 606K
1972 Subaru DL retired at 190K
1954 Chevrolet retired at 121K
Re: Briggs decompression. [Re: BSeward] #5440922 05/28/20 12:09 PM
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mk378 Offline
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The exhaust valve needs to be adjusted just right for the compression release to work. As the valvetrain wears it will get loose and do this.

Re: Briggs decompression. [Re: BSeward] #5441008 05/28/20 01:46 PM
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BSeward Offline OP
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Gonna have another look at it when it cools down. Maybe I'll get lucky.


Husky 22V46 mower.
TroyBilt snowblower. RIP.
Ariens 5522 snowblower.
Power Smart 4 stroke trimmer.
1985 Yamaha Vmax motorcycle.
2002 Yamaha Roadstar.
2011 Kia Soul.

Re: Briggs decompression. [Re: BSeward] #5441023 05/28/20 01:59 PM
Joined: Aug 2017
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sloinker Offline
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I worked for a small engine repair shop in the late 1970's. Even then we wouldn't rebuild any B.S. engines below a certain horsepower. They were extremely thin junk. When there isn't even enough meat to grind the valve seats and lap the valves you know the manufacturer has already extracted every penny out of the manufacture of its engine. I remember all the old Kohlers/Wisconsin's/Tecumseh's etc that I rebuilt for a whopping $3 an hour, free lunch and invaluable training.


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Re: Briggs decompression. [Re: BSeward] #5441186 05/28/20 05:49 PM
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super20dan Offline
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the whole inteck briggs line is a steaming pile. best to avoid them


99 silverado 5.3
2003 tundra v6
1981 toyota cressida wagon
2003 kia sorento
04 toyota highlander 4cyl 2013 toyota rav4
Re: Briggs decompression. [Re: BSeward] #5441189 05/28/20 05:50 PM
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bchannell Offline
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Yeah, I too used to work for a mower shop when I was in high school, and spent many hours rebuilding engines of all kinds. The phrase "they don't make 'em like they used to' sure applies here.
BUT, I have had two tractors with Intek engines. They were never, (only for a short time) my main tractor, but I got great service out of both. My 27HP V twin ran like a champ, never a hiccup, started like lightning struck it, I mean instantly, every time. Ran with all kinds of power. The smaller one, which I can't remember the HP, but it was over 20HP, also ran fine, but I always wondered how cheap these engines were. I know they're not what a decent mechanic would call rebuildable, but I had 250ish hours on the 27 and over 600 on the smaller one, and they were no where near death, so I guess, I'd be ready for a new tractor by the time they crapped. Let's face it, the engine is likely the best part of most tractors. I know things are cheapened up, but it seems no one wants to pay for quality. I live on the edge of town, and mow 5+ acres a week, and have had mostly JD tractors, with my only exceptions being "extra" tractors in addition to a JD. But when I go into town and around, I see they majority of tractors people are mowing with are from the big box stores. In fact, I had a discussion with a fellow the other day and he was telling me all the troubles he had with cheap tractors. I told him, he was trying to mow waaaay too much too rough and hilly ground for a cheap tractor. I mow some really hilly rough ground with a JD 425 (750hrs so far) every week, with no problems and he informed me he would never spend a few thousand dollars on something to mow grass with. So you see, most folks nowadays don't want a great tractor, they mostly want a deal.

Re: Briggs decompression. [Re: bchannell] #5441557 05/29/20 08:27 AM
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jeepman3071 Offline
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Originally Posted by bchannell
Yeah, I too used to work for a mower shop when I was in high school, and spent many hours rebuilding engines of all kinds. The phrase "they don't make 'em like they used to' sure applies here.
BUT, I have had two tractors with Intek engines. They were never, (only for a short time) my main tractor, but I got great service out of both. My 27HP V twin ran like a champ, never a hiccup, started like lightning struck it, I mean instantly, every time. Ran with all kinds of power. The smaller one, which I can't remember the HP, but it was over 20HP, also ran fine, but I always wondered how cheap these engines were. I know they're not what a decent mechanic would call rebuildable, but I had 250ish hours on the 27 and over 600 on the smaller one, and they were no where near death, so I guess, I'd be ready for a new tractor by the time they crapped. Let's face it, the engine is likely the best part of most tractors. I know things are cheapened up, but it seems no one wants to pay for quality. I live on the edge of town, and mow 5+ acres a week, and have had mostly JD tractors, with my only exceptions being "extra" tractors in addition to a JD. But when I go into town and around, I see they majority of tractors people are mowing with are from the big box stores. In fact, I had a discussion with a fellow the other day and he was telling me all the troubles he had with cheap tractors. I told him, he was trying to mow waaaay too much too rough and hilly ground for a cheap tractor. I mow some really hilly rough ground with a JD 425 (750hrs so far) every week, with no problems and he informed me he would never spend a few thousand dollars on something to mow grass with. So you see, most folks nowadays don't want a great tractor, they mostly want a deal.



Yup, that's the issue. People want something as cheap as possible, then they come crying to me with the mower in my shop when the thing has a major failure right out of warranty (looking at YOU Kohler Courage). The Inteks are not great engines, but most of them aside from failed head gaskets and carburetor valve seat issues can go for a long time in a consumer mower if people would actually keep oil in them. For anything close to commercial use, a Kohler Command, Honda, or Kawasaki is what you want. I've had plenty of those come through with thousands of hours on them. The older Briggs Vanguards or opposed twins could go for a long time as well, but anything Intek is just consumer grade and not built to last.

The only issue with Kawasaki is these commercial guys buy them thinking "it's a Kawasaki it will run forever" and just beat the snot out of them neglecting maintenance, then cry when they have a giant repair bill since Kawasaki parts are big $. Lawn care businesses are the worst with maintenance, and many of them know nothing about maintaining and running equipment. The sad part is it often ruins their business, and a lot of the small companies fold because they can't keep up. The cost of making payments on fancy new mowers along with putting new engines in machines that aren't covered under warranty is what puts them out of business. You can tell the smart guys because everything is maintained in a log book by engine hours.


1998 Jeep Wrangler Sahara 4.0L/5MT (157k) - PHM 10w30, Wix 51085
2009 BMW 328i N51 (63k) - Liqui Moly 5w40, MANN HU816X
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