Here we dive a little deeper in our Mac 120 chainsaw. In this video, we tear down to the block, removing the carb, flywheel, clutch, ignition coil, and talk about some key maintenance and inspection points.
How refreshing to have something explained by someone who thoroughly understands what they're talking about. None of this making half of it up as I go along then digressing into an unrelated shaggy-dog story rubbish from you sir! Top marks all around (as well as for Part 1) plus extra credit for pointing out the potential pitfalls along the way; especially the not so obvious stuff. Details like that half-hidden spring, those double washers on the carburettor and the correct orientation and seating of the seals and cover in the points, etc. are easily overlooked (or even completely missed) particularly the first time around and are both time-consuming and frustrating to troubleshoot when you do. You really should do more of these videos; you're a good teacher.
As a retired foreign car mechanic I have to say this the best engine tear down video I've seen yet, and I've seen a few. Nothing slip-shod about this presentation. He's obviously put in a lot of time into making it as clear and understandable as possible so that even someone without a lot of mechanical experience will get it.
Great video! Watched “part 1” first. Helping my father-in-law with his 110. This is identical to his and now I can go back through it for a much more thorough refurbishment. Thanks!
I have a frozen up Mac 120 that I got almost for free out in the shop. I have the cylinder full of Marvel and will get to it after I finish rebuilding a Stihl hs45 that I picked up in similar circumstance. I love my little MAC 32-16. I call it One Pull Charlie, because it usually starts in one pull. After cranking my big Stihl saws the little Mac is a doll. Thanks for the disassembly information on the 120. I will get around to it this spring when it warms up.
Great intro! Awesome how it's like watching a surgery being performed as you do your work. From one creator to another big thumbs up and I just subscribed. xoxoJen
Just picked up a 110 and it needs complete rebuild. Previous owner used ethanol fuel and all rubber is rotten. good video. Now to find replacement parts.. will be a nice small saw for small stuff..
Most impressive video and detailed presentation and commentary ! It's a real shame you did not keep up with bringing out videos. I hope everything is well and that we will see new videos comming through after all ! Best wishes !
Super great video i’m still a little paranoid about tearing down my little Mac 10 Thank I’m going to stick to my little Homelite XL2 and super twos for now thanks for the video
Man I just bought a brand new looking mini mac 120 for 25 bucks with the case 3 chains. The bar is barely even worn. And then just today I bought a a almost mint furry Eager beev for 20 bucks with two chains. The original bar is bearly even scratched. Both start 3 or 5 pull. I'm Syked becuase the first two I have looked like to got pounded on by the entire town. The 25 I have took me a while to realize the clutch drum rim sproket was blown out. Was so hard to move the chain. Took me forever to figure that out. I just didn't even think about it. Nice video though. Not to many mini macs vids
I picked up a 120 for $20. It has a frozen cylinder. I have the cylinder soaking in MMO right now. I figure it needs new seals and bearings, plus a cylinder and rings. I figure some idiot let it sitting in the rain. It is second in line on my bench. I have a Stihl Hs 45 to rebuild before I get to the 120. The HS 45 has a similar problem - left in the rain. It has a growling bearing but pulls over, fine.
I have the same chainsaw that leaks gas. I was assuming it’s the gas line (which is still may be), but after watching your video I think it might be as simple as that o-ring. Any idea the size of that o-ring? If not, you thing I’d be able to find it in one of those mixed bags of o-rings and rubber washers?
Do you need to take the handle off to pull the engine out or just the bolts under the saw behind the air filter the tab under the saw and the bolt by the trigger and the front cover bolts
I have what I believe to be a later model Mac 130. Did the later models come without points? None are on the motor I have and no screw holes in the block to install them. Great video!!
Hi MM, hi, can you still get new or used gas tanks for a 120? I'm asking because I have one I'm trying to rebhab and all seems good so far but I wonder what's the chance that the gas which has been in there for decades, I think, clogging up whatever is in the bottom of the gas tank. I flushed the gas tank w WD-40 waited and a brown lacguer comes out but very slowly.
Hi I am writing to you from Italy, they gave me an old Mcculloch 120 chainsaw, I did a restoration, but I have a problem with the piston rings. I removed the piston to replace the rings, but now I don't know how to put them back because the piston does not have a pin (stop / fixed connection point for the rings). I knew that in 2-stroke engines, the rings can rotate on the piston and break at a cylinder exhaust port. So what do you advise me? In what position should they be placed? Thanks.
Hey I was taking apart mine to clean the carb and after a few pulls it won’t pull good with the spark plug inserted, but when it’s out it pulls normal. I need help!!!
Question... I picked up a pair of 110's but it does not have the black plate under trigger. What is the difference in 110's besides auto? This just looks like an Eager Beaver. Thanks for the help.Finally, what spark plugs should I run in these?
It's channels like yours that Make RU-vid great and also why you (and me) are low on the sub count. You don't need a RU-vid channel to watch so people search for a problem and watch videos and click off. Get the watch time but no love. LOL. Anyways here's some support
Thanks ! How much work is needed to replace the main shaft seals, and are they readily available parts ? Great video series...waiting for the carb rebuild. J K
Hey i got a eger beiver 2.0 just went threw the carb all is good but the thing will only run for a few secounds with fule down the carb i know how to adjist the hi and low but it wont stay on or coule it be the case seal it feels like it has good compresstion whats your thoughts???
I support you sweetie! If you go into any of my videos with the word "SUB" in the title, you will find 200+ creators in my description box who ready to support you. Let them know in their comments that Professional Student sent you. They will know :)
