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If you have replaced the coil and still no spark check that spark plug is tight to ground,seat switch under neath,clutch Pedal switch,defective ignition key switch and if your rider has a off safe level switch will kill engine also known as a Incline switch for rollovers!!!

WOW! Just came across this video and what a Godsend. My local small engine shop wanted $125 to do this and with your help I did it myself. Along with that, I rewarded myself with a cold beer afterwards. Great video. Straight to the point with no filler material. Thanks for sharing your knowledge with those of us that don't know, but are willing to learn. I'll make sure to pass this knowledge on.

That is a different test or than mine. It connects to plug and coil. Can it be tested with plug out of motor?

Thank you!

So many videos about this procedure seems to focus on the valve clearance. Getting the engine to TDC is the most important step I believe. Without that all is lost.

Terrific video. Very short into the point. Easy to follow. Thank you so much.

The new carb you put on clearly does not have the primer port hole, wrong replacement carb.

ever had a problem with the oiler? I noticed today that my chain doesn't seem to be getting enough oil.

I know this video of old but young man you just help this almost70 yr old lady bring her lawnmower back to life.i admit I watched it more than several times then went step by step but after asking a handful of men to help ,they all said carberator but can't help except repair shop.so it cost me 13.00 for kit and a few hours of your time,runnin like she thinks she's in her 20's like me.thank you and GOD BLESS

That small twin hole spacer under the coil is typically a thermal bridge to reduce the heat from the cylinder from migrating into the coil and it’s electronics… yes the fasteners do act as sinks buy less than a direct placement…

Great explanation. Thanks for sharing.

You don’t loan your chainsaw or your wife!

Hipa offers good aftermarket replacements, and no I don’t got paid to say this. I bought a few kits from them to fix Stihl fs85, 018C. Both run great now!

Another reason I found out the hard way was when cutting multiple small branches like on a cedar tree to get a clear path to the trunk, if you go to fast these small branches can knock the chain around and dislodge it.

all the screws are t-27. not a t-25

That stressed me out so much lol. Thank you for the step by step, there are a lot of parts! *save video*

What makes the wood pinch the bar when it cuts in a couple of inches

Great video got a really old saw frrom the 1960's, and have been trying to figure out why it isn't starting. Really helpful and I bet one of these is the issue!

Great information!

Very informative and helpful! Thanks for your time!

Maybe I missed it but since the ignition coil is in a fixed position due to 2 screws, is their a specific rotaional position for the flywheel? In other words is it important to "line up" the flywheel with say the, "on center point" of the ignition coil?

Chainsaw Stihl Mantap Bos

I have a generator which sat for a few years on old gas. It now starts up with starting fluid only, but only for a few seconds. Is this likely a gummed carb? Or wouldn't it run at all even with the starting fluid if that were the case?

Looks like the MS 180C shaft bracket could do with a small bit of JB Weld to bridge that gap under it. This would immeasurable strengthen that 'C' bracket. That would ruin your day if the case had to be replaced.

Fifteen years ago I heard about the easy start feature and went down to my dealer (closed down a couple of years ago) and bought an MS 170 just for it. I specified that I wanted that feature. I could not tell since it is not listed in the manual or any paperwork and it certainly did not feel like an easy start a friend had. Took it back down and he assured me it was an easy start. To this day I do not think it is (I almost never use it). How do you tell for sure if it is or is not? They are supposed to have a compression release if they are not easy starts but again nothing is mentioned in print about either.

Would this be the same procedure for a Honda OHV 5hp rotary mower except for the feeler gauge used?

Im not a pro and don't own a robust pro grade trimmer that can withstand abuse. Also dont have a lot of money to keep buying trimmers that crap out prematurely because I removed the guard and shortened the life of the trimmer.

Bro had his carb completely set to full throttle but somehow started normally, anyways this video helped me a lot actually.

Thank you! I didn't realize how I could reach it (have looked into the fuel tank, but it makes sense now!

Easy and to the point. Thanks

Great! But I would not be running my engine with that inline spark tester plugged in!

i received a chain which has the teeth needed to do the cutting in the inside perimeter of the chain. How do then basically turn the chain inside out in order to have the teeth on the outside of the perimeter? Could you do a quick video on that?

Gracias

So how do you take it off? If it’s jammed, I tried spending counterclockwise like you did in that video when he did it too fast and it never turned. How would I take it off?

You are the MAN!!! Thank you for getting right to the point!

Thanks for the important tips.

Sweet. Baby. Jesus! Clean the work area before you open a hole into the engine. ps: otherwise, nice vid for beginners to learn from.

I'm going to do this tomorrow, so I'm studying tonight. I really appreciate the way you present this. Clear information with excellent camera work.

thanks for info starts much better

I broke the tab on my Ms170. I used a 7mm metal washer, cut a groove and stuck it with pratley steel. Works like a charm now.

I have a briggs 7.5 clean flywheel, new coil 3 tried. New plug, still no spark.Anyone have seen this? Suggestions? Thanks

Thanks very much.

Part #?

1:52 Those are actually Torx 27, not Torx 25. Definitely Torx 27. Great video otherwise! Thanks for the help. 🙂

Years ago, I ha a 110 AV. The MS 180 is supposed to be the modern equivalent. It ain't half the saw the little 110 was. Am looking for a 110 as we speak !!!! Oh yeah , both are called Mini Boss !

Cool, but you didn't really ever actually test the coil itself.. like for example with a multimeter perhaps?

Great video thank you if I could make one recommendation it would have been good to mention the importance of replacing the old gasket properly by removing and cleaning the cover and using a new gasket and applying sealant as well as cross tightening the cover bolts evenly to torque spec.

Well now it doesn't run very well at all 😢

Best way to add power to a small chainsaw is to learn how to keep the chain sharp. If your MS180 leaks oil, try storing it on it's side with filler caps up. Works for me.

Yep - good tips X3. Thanks