Found this old forum topic over at the " MTF" website, interesting reading that may help you , found what the end result of the issue was to be interesting, Check your valve adjustments, too wide and not tripping the compression release, make sure the crankcase is not full of gasoline. When was this engine run last, If its been outside a while I would take the head of and check if it spins faster,also see if the valves are sticking open,mostly the exhaust valve. The owners manual calls for a 230 amper hr battery , a new smaller one will not start it when new. If this happens, it will be very hard to turn the engine over. If piston rings are not sealing properly and/or valves are leaking, it will not develop full power and possibly use excessive amounts of oil. You have to replace the camshaft to get . Google his site and look through the various videos till you find the one on the Courage motor. Once that was solved it was good. If the fuel is okay, then check the fuel filter. Unofficial Home of Old Simplicity & Allis-Chalmers Garden Tractors. I read up on the ACR then went to the garage and fired it right up. It starts fine with a good starter-generator belt and a fully charged battery. It is perfect for lawn mowers and tractors to make the grass cutting more efficient. A Service Manual will be your best freind from this point on. I think it is the compression release has stopped working. If you experience the engine performance has deteriorated or smoke coming out, engine oveheating, backfiring that means your engine has carburetor problems. and it starts to fire it fires too soon and kicks back against the starter. However, this engine also has a few drawbacks, which occur due to using it for a long time. Apart from the burnt out solenoid the starter motor has operated well since. Unfortunately, this does not work on Kohler K-series engines equipped with ACR (Automatic Compression Release) as the intake valve is held open for the majority of the compression stroke, thereby giving low (and meaningless) pressure readings. So there is no compression release. It is possible that the intake valve is stuck open. Anybody done this before? Are you thinking that the ACR is NOT opening up causing too much compression? I have a Cub Cadet with a low hours Kohler Courage 22 engine on it. Smart choke issues are mainly associated with torsion spring and linkage. I checked valve adjustment on mine today and the adjuster lock down nut on exhaust valve was loose allowing the adjustment rod to turn causing valve clearance to be way off. im not totally sure but you may be able to pop the head off and take a peek,or feeler gauge and check the valve to see if its slightly open,but as mentioned make sure your starter,and wires are good,maybe run a direct positive to the starter from a known good source,like your car or one of the hundred other tractors you have ,just kidding but i would try this before opening anything up,and if its the acr,you will have to tear her down pretty far. - Answered by a verified Technician . #1; 70 psi is almost too poor to run. I figured I wasn't the only person having the problem. Just short of pulling engine, you might visually see or use dial indicator to see if valves open 5/16" or so when hand cranked. It is perfect for lawn mowers and tractors to make the grass cutting more efficient. It may not display this or other websites correctly. If it turns over but doesn't start, then I'd say that it is something other than the compression release. With the launch of three new engines, Kohler Engines has expanded its electronic fuel injection (EFI) technology as well as its alternative-fuel technology with the introduction of four new tri-fuel engines. I have heard of the compression releases on the Kohlers breaking sometimes. reasons. #8. Often best way to identify and correct the cause of engine trouble is to think like a mechanic and use a systematic approach to problem solving. Or if it is too damaged, then replace it. Come join the discussion about farming, lawn maintenance, restoration, modifications, classifieds, troubleshooting, maintenance, and more! SMOKSTAK is a Registered Trade Mark in the U.S. My dog is my co pilot. The most common way to measure compression pressure is to use a pressure gauge screwed into the spark plug hole, then crank the engine with the starter. The bend was just the section immediately ourdise of the starter body. Rotate the engine by hand watching the positin o the piston in relation to the valves opening & closing. Tried several things, then found the compression release was sticking. Small Engine. Kohler Command compression release operation - YouTube 0:00 / 0:38 Kohler Command compression release operation kb1gni 321 subscribers Subscribe 71 Share Save 115K views 11 years ago This. Well I thought I had the starting problem fixed by the valve adjustments but nope I still have the problem on the sv Kohler in the Cub Cadet. It makes tremendous power for working on these steep hills and is an all-around awesome engine from my experience. This valve is opened, the the starter is engaged and allowed to get the engine spinning at a fast rate. 2burning, November 4, 2005 in Talking Tractors, Copyright 2016, Simple trACtors, LLC and Simplicity & Allis-Chalmers Garden Tractor Club, Inc. Thanks. Copyright 2016, Simple trACtors, LLC and Simplicity & Allis-Chalmers Garden Tractor Club, Inc. password. Before pulling everything apart again, I decided to check the basics again. I have fixed a number of these through the years. Because the wiring often prevents the linkage and air vain from operating properly. On these engines, the exhaust valve is kept open a bit longer, on the compression stroke at low rpm's. If No happiness/ revelation there, pull engine, drop pan, see about flat cam lobe. He did a permanent repair on one of those broken Courage motors. It would turn to a certain point and just stop, like the compression release was not operating on one (or both) cylinder. JavaScript is disabled. The compression in both cylinders is 75 lbs. An example of data being processed may be a unique identifier stored in a cookie. Coincidentally, the following weekend a Deutz-Allis 916 (with hydro lift!) Sadly still have too much compressionevery 4th stroke or so starter hangs. This can also happen when the engine is too old, fuel contaminants, and wrong electrical installment. I loosen, recentered, retightened and put the valve cover on. JavaScript is disabled. 88. A weak fuel pump, plugged fuel filter or fuel line, or bad gas can cause carburetor problems. Pulled that apart and saw that the contacts were so badly lined up that there was very little contact area meaning high resistance (and high heating hence burning out). My Kohler Courage engine that 580 hours is the same as the day I bought it, and I've never changed a spark plug. Ask a Mechanic Now. Small Engine Troubleshooting Problems? And there can be a lot of reasons for this problem. Anyway, I see now it would hit the dipstick tube. You must log in or register to reply here. Fixed the problem every time. On the B/S engines there is actually a bump on the exhaust cam lobe that opens the valve slightly to relieve compression. Hi all! Simply opening up the intake valve clearance a couple, or as needed, thou fixed the problem. My Kohler engine on my Lt1050 will not turn over even after I adjusted the valves and put on new starter. If there is no one including Kohler does not sell the parts for it. If the starter sticks, I raise the hood and spin the front PTO backwards to give the starter a chance to get spinning so I can start it. funny topic, cause i am just sitting down after dealing, and still dealing with my little crawler motor and too much compression. Just a thought. Ranwell1, Small Engine Technician. This engine has been slow to turn over ever since brand new but I was told by dealer that it was normal for this engine. I started working on my C-161 today.It has a 16 horse Kohler engine.It turns over very slowly.Not even fast enough to start.Battery is fully charged.Starter is good.Anyone here know anything about the automatic compression release?Can it be fixed without tearing the engine apart?Thanks in advance for any and all help. First, identify the problem you've encountered with your engine, then rule out each potential cause. One thing I did see (that I didn't think would make a difference) was that the pushrod for the intake valve wasn't centered over the rocker arm (or rather the other way around). Remember to follow all safety precautions before starting any work on your engine. "This series of Kohler two cylinder engines does not have a compression release.". So, you can choose the Kohler 7000 engine for your machines without any doubt. Thus, you can solve the carburetor issue. It is best if you change the oil on Kohler 7000 engine after every 300 hours. The struggling starter motors are another which is why they upgraded them. Got the engine home and saw the ACR sticker on the shroud. do you still have some coffee can mufflers? If the springs fail, the ACR is deactivated, meaning that the engine will be under full compression all the time, and hard to start. This one does not kick-out in any manner, but becomes insignificant at the higher rpms. One other thought, the K181 and M8 are the only engines that when the connecting rod starts to knock, the cap bolt can rub on the camshaft and break it. Are you sure that you don't just have a tired starter? On these engines, the exhaust valve is kept open a bit longer, on the compression stroke at low rpm's. I was able to confirm operation spinning the engine over by hand. It starts on the first pop. The problem is..when the motor is revved up.oil is discharged from the vent in the fuel pump. Lucky for me the guy I got the mower from had a couple old K series motors for parts. I found a cam shaft ARC (automatic compression release), that was in better shape than the one in my engine. How much compression should a 18 HP Briggs and Stratton have? We've listed some common problems and potential causes below. On some of the modified garden tractor pulling engines, I have seen an external compression release hooked up. But again my experience does not seem to mirror every owners. If I had to bet a cheeseburger and a cold sweet tea on it I would bet that it DOES have a compression release. WH854 Supporter Members 44 1,384 posts Joined: July 9, 2008 You are using an out of date browser. The factories say every year. The valves on almost all engines that are overhead valve engine need to be checked at least every 2 years. Knowing that I had spark and fuel, I checked the compression which I was able to make 70psi using the electric starter. However, when I went out to start the engine it was extremely hard to pull. A workshop friend rotated it in his lathe and we could gradually tap it back into alignment. It's easy! Once it got started it runs perfectly. check page 75 in this manual. Anybody know how to fix the compression release on Tecumseh engines? I ended up getting a new K series starter. I've heard of guys spinning them backwards to defeat the ACR, and thus get a compression reading. after the right one is a year or so old it will struggle to start the eng. Connections clean or jump to the starter direct? But my timing is acurate checked dynamically with a timing light :>. I still suspect starter and/or wires. All trademarks appearing on this page are the property of their respective owners. I knew gman51 was talking about a SV Courage Kohler, the CV's & CH's have hydraulic lifters, no valve adjustment. I am working on a neighbors mower that is very hard to turn over and wants to kick-back. . Any machine can have a problem or a few after you have used them for a long time, so Kohler 7000 series engine is no different. Probably 30 or so. It has all the advanced features that makes the maintenance easy. Exactly. The only way to repair the ACR is to remove the cam. "A Community of Antique Engine Enthusiasts." Whether you already own this engine or thinking of buying this engine for your tractor, you should be aware of the drawbacks. A clogged carburetor also needs to be adequately cleaned for making the engine work. If there is any way you could take a compression test and see if it is to high, I would do that first. The compression release on the Courage twin is not a separate part from the camshaft. On the B/S engines there is actually a bump on the exhaust cam lobe that opens the valve slightly to relieve compression. Often best way to identify and correct the cause of engine trouble is to think like a mechanic and use a systematic approach to problem solving. It sounds almost like a Harley-Davidson when it's sitting there idling, it has a great lope to the idle. The Kohler 7000 series is a pro engine with 26 HP and a significant displacement that is up to 747 cc. There are very fine springs that hold little arms in place until the engine reaches 300 RPM. Believe me you will learn about them. I think it holds the exhaust valve open a little until the engine gets to about 600 RPM, then closesnot sure on the 600 RPM. My plan was to swap my 16hp Briggs over, but curiosity got the better of me and I started digging into the poorly swapped Kohler/ Cub Cadet 16hp that someone had swapped in. Don't know much about your engine , I was looking at a parts diagram for the Kohler Courage 22 engine and was looking at the ACR (Automatic Compression Release) What you described about when removing the spark plugs, that then allows you to turn the engine over, To me that sort of sounds like the ACR isn't working . The fuel injector nozzles might clog up with rust, erosion, or dust over time. So, we are going to discuss the problems in detail so that you can quickly solve them. So, it is better to replace the ignition switch if you find it faulty. JavaScript is disabled. ps BOOOOOOOOOOOOOOOOOOOOOOO ON THE WITCH 4 PREZ!! I have gotten 125# on k series Kohler's starter cranked with compression release operative. I went through several parts diagrams and there is apparently no compression release on the Courage v-twin engine. They use the valve and spring, and machine the valve seat into the adapter. If the starter has trouble cranking and the compression is above 75 lbs with a short stem guage, I pull the cam gear cover off and take a look at the compression relief, and if it looks worn, I take a large flat blade screwdrive and get it under it and bend it up a little., probably about 020 and try it. It may not display this or other websites correctly. This engine had always started on first or at worst second pull every time before this. Bent starter shaft was very common on the Courage twin cylinder engines. i am looking for 2 of them, Lloyd I bought a solar and a 110 volt and they are both from Tractor Supply, I think the 110 volt one is good for a mile. The most common way to measure compression pressure is to use a pressure gauge screwed into the spark plug hole, then crank the engine with the starter. Starter body revelation there, pull engine, drop pan, see about flat lobe... Trade Mark in the U.S. my dog is my co pilot experience the engine work very fine that. Any way you could take a compression release. `` the discussion about farming lawn! Is almost too poor to run least every 2 years find the one on the exhaust cam lobe opens! Engines, i checked the compression release on the Courage v-twin engine 44 1,384 posts Joined: 9. 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