@Jon3800. The best thing to do is check it once in 3 months. You will then get an idea of when you really need to adjust the valves. In my case I found that adjustment was needed only after 6 months. But then there are several factors that vary the intervals. Usage, type of cutting head (blade or mowing line) and Thickness of the line are some of the factors.
@ciribincin45: Yes this method should work for the BR 55O blower. Except how you align the flywheel. The 550 flywheel is shaped more like 2 crescents joined together. Bring the crescent with the magnets up to the ignition module. The edge of the crescent with 'S' should just align with the outer edge of the first pole of the ignition module.
@Masseyboy89 Happy that this video has been useful for at least one viewer. It might be a good idea to have the Stihl Valve Clearance Setting Kit #4180 007 1005. This kit consists of the cover gasket, the small washer (sealing ring) and the feeler gauge. Or, at least have a spare gasket #4180 029 0500 in case the one fitted gets damaged.
@bigdadtrav. I removed the clutch housing so that I could get a better video of that arrow mark on the flywheel. Usually, when working on new engines, I just use nail polish to mark the approximate position of the arrow mark to that I can easily align it with the screw. Also, for the owners who are trying to attempt this as a DIY job, though the removal of the clutch housing might seem extra work, it makes the job easier, plus for all of us its a good time to clean the clutch components off rust
#1:Oh oh. Okay, if the engine is already assembled, here is what you do.Remove the spark plug, move the piston to BDC.Carefully remove the adjusting nut of the rocker arm and lift out the rocker arm.Make sure the push rod stays in place and does not move up with the rocker arm.Now, push some rope into the spark plug hole and then rotate the crankshaft till the piston presses the rope onto the inner cylinder top.Continued in the next post (#2.)
The valve adjustment kit is part #4282 007 1001 , cost about $5.00 and comes with the .1mm feeler guage,valve cover gasket, and valve cover bolt gasket.
Quick question, when u align the arrow to the screw on the first turn don't you suppose to shift the flywheel from left to right gently to see if the valves are moving and if they are you rotate once more and recheck if they are moving and if they are not moving only then you can adjust the valves. Just asking.
Apologies for the late answer. While rotating the flywheel I watch the inlet valve. After it is open fully and then closing I know that the engine is on its compression stroke and when the screw aligns with the mark both valves are fully closed. I dont need to turn it back and forth to check because I know for sure that when I follow this procedure the cam is in its central position. This is also the same position used to assemble the cam. If I am not sure I keep rotating the flywheel, the exhaust will open and close next the inlet will open and close and taking it to the alignment point is compression stroke. Simple. Please see this video also it shows the position of the cam. ruclips.net/video/mxzcR5jD5KM/видео.html
#2:..This will ensure that the valve does not drop down when you need to re-install a new Spring Retainer Plate(part no.4180 025 3000), ie that broken washer.Now, press the valve spring and the broken bit can be removed. Keep everything in place till you get a new washer. BTW. is your valve timing correct? What was the cause in the first place for that washer to break?
The open ends of the rings must be about 120 degrees from each other.The ends should not be at the sides, in the region of the piston pin. Which washer are you talking of? Do you mean the washer that locks the valve spring in place?
Thanks for the video. Can you please help me out? my Stihl fs 130 won´t start. I tear it down and put it all together again, piston and cylinder ok. as for the 2 ring I don´t know how to position it. just my first time with 4 mix stihl. I now find out that the washer for the intake valve is broken and half of is still on it. is that also a broblem?
why did you remove the clutch housing? all you need to remove is the top shroud to expose the valve cover ,you did more work than what was needed for this repair lol
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This vid is an essential. It will need to be common knowledge as this equipment becomes older. Thanks for posting.
@Jon3800.
The best thing to do is check it once in 3 months. You will then get an idea of when you really need to adjust the valves. In my case I found that adjustment was needed only after 6 months. But then there are several factors that vary the intervals. Usage, type of cutting head (blade or mowing line) and Thickness of the line are some of the factors.
@ciribincin45:
Yes this method should work for the BR 55O blower. Except how you align the flywheel.
The 550 flywheel is shaped more like 2 crescents joined together. Bring the crescent with the magnets up to the ignition module. The edge of the crescent with 'S' should just align with the outer edge of the first pole of the ignition module.
Thanks alot, sorry i was not at around for a while. yes i mean the washer that locks the valve spring.
Thank you
@Masseyboy89
Happy that this video has been useful for at least one viewer.
It might be a good idea to have the Stihl Valve Clearance Setting Kit #4180 007 1005.
This kit consists of the cover gasket, the small washer (sealing ring) and the feeler gauge. Or, at least have a spare gasket #4180 029 0500 in case the one fitted gets damaged.
Yes, its TDC, but on the compression stroke.The mark however helps to ensure that its precisely at TDC
Yes, this is the same method for the BR 600 blower, which too has a Stihl 4Mix Engine
@bigdadtrav. I removed the clutch housing so that I could get a better video of that arrow mark on the flywheel.
Usually, when working on new engines, I just use nail polish to mark the approximate position of the arrow mark to that I can easily align it with the screw. Also, for the owners who are trying to attempt this as a DIY job, though the removal of the clutch housing might seem extra work, it makes the job easier, plus for all of us its a good time to clean the clutch components off rust
#1:Oh oh. Okay, if the engine is already assembled, here is what you do.Remove the spark plug, move the piston to BDC.Carefully remove the adjusting nut of the rocker arm and lift out the rocker arm.Make sure the push rod stays in place and does not move up with the rocker arm.Now, push some rope into the spark plug hole and then rotate the crankshaft till the piston presses the rope onto the inner cylinder top.Continued in the next post (#2.)
@streamlight2
#4282 007 1001 is the kit for the BR500 & 600 blowers.
The one for the FS130,90,110 or 100 is #4180 007 1005.
The valve adjustment kit is part #4282 007 1001 , cost about $5.00 and comes with the .1mm feeler guage,valve cover gasket, and valve cover bolt gasket.
Nice video.
Quick question, when u align the arrow to the screw on the first turn don't you suppose to shift the flywheel from left to right gently to see if the valves are moving and if they are you rotate once more and recheck if they are moving and if they are not moving only then you can adjust the valves. Just asking.
Apologies for the late answer. While rotating the flywheel I watch the inlet valve. After it is open fully and then closing I know that the engine is on its compression stroke and when the screw aligns with the mark both valves are fully closed. I dont need to turn it back and forth to check because I know for sure that when I follow this procedure the cam is in its central position. This is also the same position used to assemble the cam. If I am not sure I keep rotating the flywheel, the exhaust will open and close next the inlet will open and close and taking it to the alignment point is compression stroke. Simple. Please see this video also it shows the position of the cam. ruclips.net/video/mxzcR5jD5KM/видео.html
#2:..This will ensure that the valve does not drop down when you need to re-install a new Spring Retainer Plate(part no.4180 025 3000), ie that broken washer.Now, press the valve spring and the broken bit can be removed. Keep everything in place till you get a new washer. BTW. is your valve timing correct? What was the cause in the first place for that washer to break?
Hi great video, what size feeler gauge is it thanks
+matt smith Hi Matt, It is a 0.10mm gauge
The open ends of the rings must be about 120 degrees from each other.The ends should not be at the sides, in the region of the piston pin.
Which washer are you talking of? Do you mean the washer that locks the valve spring in place?
how often do you need to adjust the valves
Thanks for the video. Can you please help me out? my Stihl fs 130 won´t start. I tear it down and put it all together again, piston and cylinder ok. as for the 2 ring I don´t know how to position it. just my first time with 4 mix stihl. I now find out that the washer for the intake valve is broken and half of is still on it. is that also a broblem?
why did you remove the clutch housing? all you need to remove is the top shroud to expose the valve cover ,you did more work than what was needed for this repair lol
is this apply for a stihl blower 550?
Thanks You :)
Isnt the mark just top dead center? T.D.C
what size gaugeyou used
I prefer to set them to 20m
0.1mm
You need to talk to tell me what you’re doing
Sorry, no speak the english 😔, that was why I have given typed descriptions at every step.
BR500, BR550, BR600 They all have the same kit Part No.4282 007 1001
@jeffro1234567891
0.10mm