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- เผยแพร่เมื่อ 22 ก.ค. 2024
- How do you adjust the valves on a Kohler Courage engine?
See here in detail how i do it.
If you look in the service manual of the engine, you'll find the clearance specification for the valves:
Intake valve with 0.005 in
Exhaust valve with 0.007 in
After two hundred hours i measured the intake valve with 0.008 in and the exhaust valve with 0.011 in. As you can imagine, a service was really necessary. I am not sure how the clearance was as the mower was new.
The valve covers start leaking oil, and they had a design change on the cover. There is an additional metal washer like piece that needs to be added to guarantee a better seal in the lower area of the gasket.
To be save i added some black stuff to make it seal good. I hope i am able to remove it, when i have to adjust the valves after the next 200 hours.
You'll need a T15 Torx and a metric 10mm wrench to adjust the valves. A metric 10mm nut will do for the valve cover, and an 8 mm nut is needed for the engine cover/air duct.
00:00:00 Kohler Engine Valve Adjustment
00:00:19 Removing the bonnet
00:01:26 Removing the engine cover
00:01:50 Removing the valve cover
00:03:06 Necessary camshaft position to measure the valve lash
00:04:06 Location of exhaust and intake valves
00:04:58 Feeler gauge exhaust .007 (0.18mm) and intake .005 (0.13mm)
00:06:06 Adjusting a valve lash
00:09:53 Preparing the valve cover gasket
00:10:55 Installing the valve cover
00:12:51 Brief test run (do not run it for long without engine cover!)
00:14:24 Installing the engine cover
00:15:03 Installing bonnet, and connect headlight cables
00:15:25 Test run, heat-up, checking for leaks - แนวปฏิบัติและการใช้ชีวิต
www.amazon.com/gp/product/B008TSV6VW
GENUINE OEM KOHLER PARTS - KIT, VALVE COVER 20 096 14-S
Where do I find the bolts for the valves
Where do you see bolts on the valves? Not sure what bolts you are talking about.
mygiguser
damn it I don't what it's called the things that bolt on the things that pushes the spring
@@xxxCawsomenessxxx rocker arms
Very nicely done, thank you! Lighting and focus are outstanding, and your directions are clear and to the point. I wasn't sure I wanted to tackle a DIY valve adjustment but with this video, I'm pretty sure I can get it done.
I'm fixing to do my valves in my 18.5 HP Kohler Courage on my Gravely 1640 ZTR. This video made it easy to understand.
Well done video. A trick for people to find the correct crank position is turn the flywheel until both rockers are loose. Take out the plug and run a piece of coat hanger wire in against the piston to find bottom dead center. Easy.
Great video and straight to the point. I didn't know they had made an aftermarket piece to keep the valve cover from dripping, oil. I ended up fabricating a piece of metal on my kohler cause the dripping on the exhaust was driving my nuts. Thanks
Thanks for video. I did a gasket replacement and valve adjustment. The adjustment of the valve lash locking nut and screw was the opposite of what I’m used too. Had a hard time getting my head around it because of the valve lash adjustments during my Volkswagen days.
So much easier to learn this way. Rather than trying to learn from a manual. Thanks.
I would like to thank you for the detailed info given in this video. It was extremely helpful.
Well done video and easy to understand the calm speaker. I now have the confidence to fix the valve cover leak and adjust valves. Thank you!
Nice
You are a very talented and thoughtful mechanic - been working on small engines for years and years, but I learned something today. Great accent by the way! Thanks!
Robert Jacoby 🙏 thank you!
Great video. Side note, check to make sure both springs are coming out the same lenght as you turn the flywheel. The valve seat came out on mine and left the valve stuck open.
Thanks for this info! REALLY!!! I Had my engine start back fireing and 1 minute later it stopped running. Itried to restart it with a battery charger on start. The engine acted like the compression was being blocked all the sudden. At 1st I thought the battery, then I thought the starter, then fuel blockage, so I pulled the spark plug and the starter spun faster than before. Then I found out the valves may need adjustment so I Adjusted them. Still had engine kick back. So I found this TH-cam video an found the exhaust valve rod guide was pushed out of hole to far as you suggested and pushed it back in and readjusted the valves and it started. Thanks for this video info it saved me 5,000 $ as Istarted looking for a new mower today but thought I would try 1 more time. Thanks for the info!
WHAT? i didnt hear any reference to guides? and dont understand what you mean by out of hole too far?
He is stating an issue he found with his and the valve guide is what the stem of the valve rises on inside the cylinder head they can loosen overtime especially if the engine runs too hot from dirty cooling fins.
Great video! Good info and clearly explained. I especially liked the slow motion sound at the end to hear the smooth running motor. Great job!
Thank you!
Great video and good explanations. Thank you for your time. Very helpful.
Very much appreciate this video! My engine was spewing gas out of the carb bc the valve was too tight. You saved my life - thanks! :)
you welcome!
Thank you for this video! My mower is running again! I noticed on my mower that the stud that holds the rocker arm had loosened out of the block on the exhaust side!! So I had to tighten that back in first, then make the adjustments. Check those studs also! Thanks again, great video.
Thank you for taking the time to make this video. You answered all my questions about the procedure and settings for valve adjustment on this engine.
Good Video: clear, steady well explained
I know how to set valve lash but I still enjoyed your video and learned a few tidbits. Thanks!
Well done video and informative. Thank you very much.
Thank you ! Well done clear and concise
Thanks mygiguser for taking the time to record and post the valuable information.
Fantastic video. Thanks for your help.
many thanks, great video, very well explained
It worked got my mower running again thanks
Changed out the ignition coil on Kohler courage 590. Would the plastic cover not being on cause the ignition coil and spark plug boot to get real hot
Great video. Thanks for sharing. 👍
Very helpful & informative video, also he has alerted me to a new invention called a "torque wrench"
I don't think a torque wrench works so well with the cork gasket. You are better off doing that very carful by hand.
I plan on using permatex ultra black....no gasket
Don F let me know how that works out!
Don F it doesn’t work. I tried twice, leaked both times.
I just got the same mower off my dad and it back fires when you idle down and when you idle up it makes a sort of rough banging sound as the cylinder fires. Could that be the valves? I think it's alway done it even new. Just never heard it from any other kohler 21.
My mower wouldn't start tried several different things. Adjusted the valves per this video. Now I'm back up and running.
Very good, congratulations!
You have learned me a valuable lesson in this video thanks
He didn't learn you anything he taught you something, and by this you learned something.
He didn't learn you anything, he taught you something and by that you learned something.
You have set the engine ignition sequence for spark generation by the alignment of the coil and magnet. If the flywheel is not easily revealed, the same thing can be done by bringing the piston up to TDC on the compression stroke. This is exactly when spark will ignite the power stroke.
Spark will happen a couple degrees BTDC. Check it out. Bring piston to TDC and look at where the magnet is. Its past the coil ( magneto).
@@1gtmach My error, you are correct. Thanks for the clarification.
Great video. Only suggestion is during the installation of the valve cover gasket, the new silicone should be liberally applied to one surface after both have been cleaned of oil and any debris, but more importantly, the liquid gasket should be allowed to form up for about 5-8 minutes before reinstalling the bolts that hold the valve cover on. Reason being, the liquid Selena the with just squeeze right out and create a potential gap.
Additionally, only finger tighten during that part of the install. Let sit for 40 minutes and come back to re-torque the bolts.
Thanks! Btw the gasket from the video is still working without any leaks.
Only the valve cover should be Permatexed that way if the gasket is bad next time you don't have to scrape the engine... Just the valve cover 😂😂😂
Recently repaired somebody else's repair on one of these engines in a Cub Cadet, the intake rocker was not pressing against the valve at all, and there was no Torx recess in the rocker stud to make an adjustment secure. The nuts were the only thing retaining the rockers, I don't know what all was supposed to be in there, it was my first time in a Kohler engine, but it was one of many things wrong.
nicely done ty
great video thanks
What is 4cylender tappet settings in kohler engine
Wow 😮 I never see before
Go video thanks for the help
Thanks for a great video. Very clear and concise! I'm working on a neighbors Cub Cadet with SV590-003 19 hpKohler Courage that was rough running, backfiring and eventually not starting at all but just backfiring. Carb was a mess so I replaced it as well as ignition module. then I discovered the flywheel key broken. replaced that and the new one sheared and it backfired again. Could valve adjustment cause that? Or what do you think it is?
Broken flywheel key: Hitting a rock or stump, loose blades, or loose flywheel. Ignition problems maybe. Adjusting the valves should be easy to rule that out, then also adjusting the gap for the ignition coil th-cam.com/video/bZ1SiQuKVBk/w-d-xo.html
and then the solenoid problem, i describe in the description of this video th-cam.com/video/8nnACUkswxA/w-d-xo.html what happens. How does your engine run in idle? Is it backfiring when it is running?
Iwas most likely loose flywheel.Thanks it is running well now.
I have this mower kohler courage 19 I was told that the bots have a habit of coming loose on the fly wheel I always check mine, that will damage flywheel, also my bolts that holds the motor on were loose so glad I found that problem
Sensor on bottom of carb bowl is bad. Cheap to replace whole carb, ebay has them for a few bucks.
Do these engines have a compression release ? Is the valve adjustment made at TDCwfen spark plug is firing? Do you turn engine backwards to bring it to TDC ? I assume the comp release holds the ex valve open to assist starting on some engines. I don’t know if Kohler uses comp real ease I. I would have to think it uses SOMETHING like that
If you take out the spark plug, then you don't have compression. The valve closes by a spring. You can turn the engine back and forth at TDC to find the spot where both rockers are loose.
@@mygiguser. On some engines a compression release is used as a starting. aid Why does tightening loos valves fix what most people think is a bad starter or Battery ? Seriously
Great video! How long until you can start the engine after using the liquid gasket? Does it need to dry first?
Jason B yes it does need to dry, i would let it sit overnight.
Thank you!!
do you not turn your flywheel to do this job???
Great!! thanks 👍
Hi,I have a Craftsman 4 years old Riding mower 21 hp Briggs & stratton engine . Motor hard to turn with starter ,new starter & battery--It make 3/4 turn & if if make 1 to 2 turn start right up. When starter can not turn it heat up ,without Spark plug engine move ok , I checked the valve clearance .004 & .006 -- Do you think it is a Compression release valve ,how I can be sure of that. Please help ,what other thing it could be?
Sorry your comment was blocked by TH-cam, i just found your comment in the review list. If you think you have a problem with a compression release valve, just take the oil dip stick out, and see it it starts then. The oil fill hole will release the pressure, if there is any. But be aware of oil spilling out.
@@mygiguser I will try this , thanks
Did you re-use the cork gasket? If so, did you use gasket sealer between the cork and the valve cover- or just make a new "gasket" with the black stuff?
Ryan King i used a new gasket and the sealer.
hi can you tell me if i set my cam timing marks on comp sroke piston up or down thanks
up
When you set the valves, is the piston out, or in from the spark plug on the compression stroke.
in. both rockers are lose. piston top dead center.
@@mygiguser You needed to show as the spark slug still in . some people well a just with the piston any where .
I have a issue with fuel puddling at the mouth of the carburetor. The mouth of the carburetor should be dry. It seems there is blow back from the engine through the carburetor. Either the valve adjust is way too tight (no clearance) or perhaps carbon build up on the seat which would hold a valve open slightly.
maybe the float is stuck? or the valve leaking
@@mygiguser That is a good point. When I bought this well used (non running) gravely zero turn mower I had to rewire (it was butchered), replace missing and broken parts plus the carburetor because the fuel solenoid was not working. Yesterday I disassembled the new carb to inspect for crud and sticking float but all was well. I thoroughly cleaned all the orifices. The engine never sounded strong. Fortunately I came across your video and I inspected the valves. The exhaust clearance was way too loose and the intake had NO clearance. I just started it up and finished the lawn. IT RUNS LIKE A NEW MOWER! No lugging no black exhaust smoke. Thank you
What was the reason for doing this I have 2 of them takes a long time turning over to start
the gasket was leaking oil, and the mower didn't start very good.
My feeler gauges are made in Usa, should I buy the type you have?
What does it matter where they were made? As long as they are accurate you can use them.
@@mygiguser Its an old joke "Usa Japan" because we cant believe its actually made in the USA.
You gotta be careful to double check your cover don't leak. Mine caught fire and melted all the plastic on the engine. Didn't damage anything beyond that lucky but the cost is about $100 for parts depending on what gets damaged.
Retrogamer1010 it doesn’t leak, if you installed this right.
Yeah mine caught fire too that's how I know they're was an issue lol
Hi Sir. Thank You for the instructions on the video. I have a question for You. To your knowledge, Do these engines have a cooling fan shroud that cover the cylinder head?
Worms Wiggle yes they do
@@mygiguser 👍Thank You Sir.
it is strange I bought 2 feelers and neither has an .007 and one doesn't have neither?
Use a business card. It will be very close
Thanks for a great video-turorial. I'm going to make this repair in the next couple of weeks. How much hours your Kohler had on the moment of the job you made here?
i think it was 180 or 200 hours
Is a "Knocking sound" a valve problem?
Hard to say over the internet without hearing the knock. But i would say no. Knocking is more a bearing on the crankshaft.
What are the gap settings?
read description, it's right there
Do Courage 15 hp have an engine Rattle
no
Thanks for the great video, just one criticism, when the engine was started you kept talking and couldn’t hear a word you said.
well, i’m not running a hollywood studio over here. did the best i could at the time.
I have a sv600 kohler 20 hp and adjusted valves to the correct measures but it gets stuck on the compression stroke sometimes and then spins over. Would u possibly know the issue?
How you know your not on top dead center ?
Piston is on top, and both valve rockers are loose.
Thats not correct. You could be on the rise , ramp, of the cam lobe. Pull spark plug and stick screw drive in cylinder and bring piston to top. Im not even sure if this is correct. Briggs calls for pistion to be 1/4 past TDC. I can not find info for kohler so TDC should be fine.
Thanks for this video. I do think (IMAO) it may have been very helpful if it was explained the correct method to find Top Dead Center.Before making any adjustments. Just saying.
Terminator does lawn engines now ?
Yes, and it works!
pull the sparkplug to turn motor
Michael Collins that would make it easier
0.005" and 0.007". You dropped the 3rd zero on each one.
where?
@@mygiguser you said zero point zero 5 and zero point zero 7. It happens. Ya just don't want a viewer taking it literal and then cursing you out 'cause it didn't work. Unless you were talking faster than I was listening, lol.
I got MTD mower it Troy Built but it MTD they come out with Powermore 420cc engines Honda clone it a 2016 model great warranty 1 year lasted 1 year 2 months and blew up i put this engine on it 23 HP KOHLER single cinder twin valve i got engine off of Husqvarna LGT2554 Lawn Tractor fat guy owned it he broke the mower in half , half bent and half broke said he gofer hole . not that old of mower but i got it 200.00 and it fit ,moves in yard real good just little to much .You can cut your grass at 10 MPH and be done .
joseph tate you got lucky finding that engine
@@mygiguser it been good engine i keep it serviced and maintained runs good .I have seen a lot of complaint's one guy was pointing out all the problems he was having and what you going to have but before he started talking he said he just lets it set outside in weather ? well that could be the reason to all your problems and tarp don't cost much but i didn't leave comment . so don't leave your equipment in weather ,take care of it it take care of you , that way i see things , great video
mygiguser keep up great work
You know actually this is an excellent video , of course removing the hood ?? Just lift it straight up after it is in open resting position ! Remove wiring first for the headlight's ! The trick of aligning the magnet with the new ignition coil for top dead center making sure both valves are closed , that was ok " but I prefer removing the spark plug and using a long screwdriver to FEEL the Piston on top dead center by turning the flywheel slowly by hand and visually looking at both valves closed ! Also you said to remove the ignition coil wire because it was self igniting WRONG if the key is in the OFF position the ignition coil is grounded and cannot fire the spark plug ! Also you should specify that it is the hex screw that LOCKS the rocker arm assembly in place NOT the nuts that hold it down ! And if you use a silicone sealer gasket maker for the gasket it needs to be rtv black oil resistant silicone sealer type ! You can use only silicone and eliminate the cork gasket all together ! Just lay a bead about 1/4 inch all the way around the valve cover gasket wait about five minutes and put valve cover back on but do it straight on as in have it lined up with the mounting holes so you don't have to wiggle the valve cover around messing up the silicone sealer ! One more thing , when and BEFORE YOU attempt to remove the 4 top cover bolts IF they are hard to break free DO NOT FORCE THEM TO BREAK FREE OR EXERT HARD PRESSURE ON THE WRENCH TO BREAK THEM FREE !! you will wring the bolts off in the engine block if their rusted up or just gummed up always use break free lubricant or deep creep or similar bolt loosening deep penetrating oil on those bolts and spray the threads protruding under the plastic cover the threads of the bolts let soak in penetrating oil and if still hard to turn before you use hard force and break them off try a small electric battery powered drill with the impact setting turned down very very low so the drill will lightly impact the bolts but not forcefully turn them , the knock knock knock of the impact from the drill will 90% of the time save you from breaking these cover bolts off in the engine !!! One more thing when you use the feeler guage use .0005 on intake valve and .0007 on the exhaust valve that's thousands of an inch ! If you can't SLIDE the feeler guage back and forth across the rocker and valve gap with very little resistance it's TOO TIGHT ! and always always always after you have set both clearances turn the engine at least a few revolutions and reset the piston on top dead center then recheck you clearances on intake and exhaust valves again !
.005 .007 not .0005 .0007
Don’t have to use black rtv. In fact peramatex red rtv is high temp and would be best for this application.
Once the engine starts - I cannot hear you!
Good video except you said 0 point 0 7 and 0 point 0 5 wich would be 0.07 and 0.05 is 70 thousandth and 50 thousandths. It is point 007 and point 005 is 7 and five thousandths
Insert a 0.127 mm (0.005 in.) feeler gauge between
end of 1 valve and rocker arm. Turn adjuster or
adjustment nut (based on design), until a slight drag
is felt. Hold in this position and tighten locking nut or
setscrew securely. Torque setscrew to 7.9 N·m
(70 in. lb.). After tightening recheck adjustment.
Proper valve clearance is 0.101/0.152 mm
(0.004/0.006 in.).
4. Repeat procedure for other valve on side 1.
5. Viewed from PTO end, rotate crankshaft 270° (3/4
turn) counterclockwise and align crankshaft keyway
with cylinder 2, which now puts cylinder at TDC on
compression stroke.
6. Repeat steps 3-4 for setting valve clearance on side
2.
7. Rotate crankshaft to check for free operation of
valve train. Check for clearance between valve
spring coils at full lift, or bending of push rod(s) can
occur. Minimum allowable clearance is 0.25 mm
@@vintagevmax2410 that engine only has one set of valves not 2 like you say. So you must of looked up the information for the wrong engine
Excellent video. I have one correction though.
When you say the clearance on the valves it is not 0.05 and 0.07 .......it is 0.005" and 0.007" .
I hope this helps people because making it 0.05 and 0.07 would not do a good results.
Thank you and good luck.
Zee
Zee Ilic i think i wrote the numbers in the description
One thing he forgot but not many people know is to pull the springs off the Pistons first then gap em. So I've been taught bye small engine builder.
What kind of engines was your builder building?
Look at Chris Fix video here th-cam.com/video/oFX_Xq9WHTI/w-d-xo.html
Jacob Lewis ...SPRINGS?? not on pistons...Rings, yes👍
Sorry to say pistons have no springs and there is no need to take the springs off the valves either ,please before you give advice know what your talking about.
@@MrPackman20 He must of thunk it had a piston return spring
N😮😮
Why are you talking with engine running? 🤫
Trackhoe075 to make it more interesting. Thanks for watching 🙏!
This Video sucks. Camshaft position is not clear.
I agree.
You didn't show them how to find too dead center. Lousy video.