WEAK OR NO SPARK? DOES IT NEED A NEW COIL? / OLD MECHANICS TRICK TO FIX A MAGNETO IGNITION SYSTEM
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- Опубликовано: 24 апр 2021
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People who don't work on motors don't understand how we can get excited when we bring an engine back to life. It's just something satisfying knowing that what you did mattered. A lot of times when I'm working on an engine I will take the time to clean the coil and the flywheel. I never trust having a lot of rust on parts that depend on one another to work.
I'm glad you were able to get it started without having to put any money out. Great job look forward to watching your next video.
I just did on a 450 dollar AWD mower. The guy got frustrated with it and just wanted it gone. All I did was adjust the gap and clean out the carb. It's surprising how many people don't wanna do simple maintenance on a small engine.
@@RCGshakenbake The bad thing is in this country we have become a throwaway society. It's cheaper now to buy something new then it is to take it somewhere and have it fixed. If I didn't know how to fix things I would be in big trouble. I get a lot of brand new things that people used once did not store it the proper way and now it won't start. I always look out for those type of items. I always fix them back up and as long as it did not cost me a lot of money I normally give them away to friends and family who need a lawn mower or a weed wacker. I'm retired it just gives me something to do.
I love fixing things
Bugs me when I see people start an old engine up and have to whoop and yell, me I’m trying to hear if anything is knocking or squealing.
Shut the hell up
Fantastic info! Thanks so much for sharing this. Not enough people like you doing small engine repair anymore, so we all need more & more of this kind of knowledge in our backyards.
Mowermedic1,
A very well executed video for us in the youtube classroom. Good to learn something new every day, and you most certainly provided us with that. Just loved the term 'Garden scratcher" and I will incorporate it into my vocabulary. 554 thumbs up verses 0 down, and you deserve it. Thank you for this production.
Your suggestion to use the old mechanic’s trick worked like a charm! Got my old gas edger running after 5 plus years of non running. Thank you!
Awesome advice on the rust removal on the flywheel and coil surface.... great help!! Thank you very much!
Thanks Mower Medic for the video. Super info! I'm working on a Husqvarna 143 weed eater with no spark. I live in Peru, South America and I check with your channel, the Chickanic, and Steve's Small Engine all the time for answers to my problems. I live some distance for any town and you guys have saved me on many occasions. People like you and Bre and Steve are my heroes and have saved me a lot of heartache over the years. I headed to the shop to give it a try! God Bless
It's strange to hear and see those old Briggs and Stratton engines coming back to life for the first time in many years, they always seem to struggle for the first 30 seconds or so to barely keep running and then suddenly burst into life, and the person makes the effort to make it happen gets a big smile on there face. Priceless!
I seized one solid on a Cement mixer back in the 1980 ‘s it had an oil leak & ran dry .I let it cool down filled it with oil & levered the fly wheel rope pull forward & back a few times with a crow bar ,Fired her up & away she went & is still mixing cement & concrete to this day .That though was a proper Briggs & Stratton side valve not a Chinese clone .
Their as in belonging to not there as in over there!
@@andrewcarter504 What are you flapping about ,this is You tube not an English grammar class .You sound like an old frustrated school mistress that’s got her knickers in a twist 😎
David Schwartz. I'm on my daughter's RUclips account. A lot of these old briggs make it to the dump before their time. I have found a lot of these briggs won't start for people. They have spark, you can dump gas down the carb, and they have compression...or so they seem to have compression. Nobody takes the time to put a compression guage on them. They go by, "I can feel the compression by pulling the rope." In most cases the intake valve clearance is too tight. I've found a lot with zero clearance. The "compression" the people feel from the rope I believe is the piston is trying to suck vacuum on the power stroke. The compression stroke didn't produce any compression because of the intake valve lash being too tight so then the power/ignition stroke now becomes a vacuum. Anyway, most of the intake valve lash on these old flat heads are supposed to be between. 005" to .007". I set all mine at .010". Sometimes you here the valve lash and sometimes you don't. Most of my machines start on the first or second pull. Very seldom I have to pull a third time. None of my machines backfire, pop, or whatever. They all sing smoothly at any rpm. The reason I set the intake valve lash at .010" is because my machines get a lot of use. And for some reason these old flat head briggs seem to tighten the intake valve lash and widen the exhaust valve lash.
@@nickigilbert7295 Thanks Nicki for the extensive explanation, I bet I have two Ole Briggs suffering from that problem right now.
Excellent video about a simple fix but generally not considered . I been in the xar game all my life and started to service my own garden mower motors . I also clean the flywheel and coil metal surface with at touch of contact spray . Good man and keep well. 🍻
Great video. I'm working on a small gas chainsaw with a bad coil wire. I think it got hot over so many years of use and went bad. I had to order a new coil but when I put it back together I'll be sure to clean the contact area like you showed. Also, in your video, when you loosened the coil screws the entire coil dropped, meaning the gap was bad which is another reason why it wouldn't start. That gap seems to widen over time and years of use. GREAT video Mower Medic and thanks for doing such a good job making this video and posting it to RUclips. I'm sure it helped out a lot of garage mechanics and you did it with a smile on your face which we don't get much of around here, just a lot of cussin, coughin and spittin. It takes me at least two beers to calm down.
I owe you a beer! I followed the suggestion on my no spark 3.5 B+S and goddamit spark came back hot as can be. You seriously ROCK!
Thank You for sharing knowledge like this a lot of people obviously didn’t grow up like me and you did working on everything and passing on the knowledge is somthing a lot of people don’t do or don’t have the chance to do
Good video. Well done. I like your COMPLETE 3/8 socket set in the case. Maybe if you labeled the sockets slots with a sharpie it would save you from spinning them to find the size. Just a thought.
Keep up the good work. 😊
Great video! Keep up the great work! What type of pad were you using on your grinder, and where did you get the gapping tool that you used.? Thanks for your help and keep those old school tips coming!
I learned how to check for spark many years ago from an old guy I worked with , he had me hold the spark plug while he pulled the cord . When I jumped and called him names he laughed and said you got spark. That ain’t your problem
Wrong. Coils can have spark all day but fire at the wrong time.
Yep. Me too
LMAO 😂😂😂
I like cool wahip
I guess were both ol skool cuz thatz how i learned it
Gotta love it when a little effort leads to a "no parts repair".
Great lesson, great video. THANK YOU!!!
Thanks for the great video Jeremy. Got to work on a Mantis garden scratcher this week and that tip may come in handy...
Great video! I just bought an old Ariens Rocket V with the 5HP Tecumseh engine. I tore it down today, same issue no spark. It had a massive nest on the flywheel also and several more on the cooling fins on the head. I checked points, point gap, kill switch wire for shorts, cleaned the rust off of the flywheel and magnets, etc. Did not think to check the coil for rust. So I'll tear it back down tomorrow and check for corrosion under the coil, everything looked good except for the dirt dobber nest. I'll also have my multi meter to check the condensor, and coil. Thanks again for sharing your knowledge.
Thank you so much for pointing out an issue I had been overlooking.
I had been struggling for several hours testing individual components and finding all to be good but the combination failed.
It was due to, as you illustrated, corrosion between the coil and engine block.
I still have further issues to address before my project is completed but you helped me get passed a very perplexing issue by pointing out what should have been obvious but was overlooked nonetheless.
Thank you.
YEP ME TOO... COIL TO ENGINE BLOCK CORROSION...
I worked on my lawnmower for 2 hours and was ready to give up, untill I watched your video. Thank you!
I didn't think your method would work! I'm impressed! Just cleaning the ground points!
Thank you for showing me what you did. That’s what my problem was with my motor on my lawnmower
I have done that several times and it works great!!
Thanks - didn't know that about cleaning the coil mounting area.
I so appreciate this video. I was about to order a new coil and will definitely give this a try first.
Thank you again for more good old mechanics tricks! I am having a heck of a time trying to get spark on a GCV190. I will try that trick tomorrow! Keep it up!
Once again. A great tip and video
Thank you
Good tip for sure, I do this on dirt bikes aswell ! Those are definitely a nice engine and my favourite on a rototiller.
Awesome dude, mine had a weak spark , i adjusted the gap and the spark went altogether, assumed the coil was busted, took it off cleaned it replaced reset the gap, works perfectly :) the new coil cost as much as i paid for the blower, ty mate :)
Thanks for the tip, picked up an old shredder with the exact engine, no spark last night, now it runs like a champ.
Amazing, I was working on my own mower . No spark . Thought I ordered another but out of the six I found one for my mower . I thought of doing that today as well but I’m to clean up the coil and fly wheel and see. I heard that years ago. 😊😊
Great lesson, must check that out tomorrow. You keep a very clean and well organized shop....always gives me confidence in the mechanic!
Great video....I also cleaned the flywheel surface....ordering one of those spark testers today.....thanks
Hey man , you’re the best!! I did what you did in the video and my little tecumseh engine roared back to life!!! Thanks!😊
Nice job, great fix.
Lightweight is good and what did I use it for it’s a lawnmower ruclips.net/user/postUgkxTPN04aT-Qdjr_KS3ql7ng8wnU3wwsCqk also recommend Yes it is lightweight so hence not as robust as our old one. But if you take care it does the job really well.
Yes, that is good tip with Cleanning the base of the coil! I watched one of your prior videos where you did it! I tried on B/S Eng and it worked! Thanks!
I love my old Briggs Quantum flathead engine mower. Starts on first pull every time. I have always run it dry at the end of the season. Never have done any major repairs, just changed oil and air filters every year.
I have learned that simple stuff keeps the hard fixes away
Thanks brother... I got 3 I need to check out now. My hope is back...👍
This was a great video! You went through things methodically. It was also a wake up call to just what the problem can be.
Thanks for the video man. I'm really going to miss these old gassers soon as they are slowly phasing out of existence and the dawn of the cordless battery powered equipment is upon us.
Wow this is unbelievable. I found the same tiller in the back of my property under years of vines. Sand blasted, it painted it, new barring, newer engine. Turned out real nice. I think it is an old Wheel Horse. This is only the second one I have seen.,
Wow I'm new with this type of machines and this video was very informative!!!
Awesome job, great information easy to understand 😊
Nice. Agree on the Briggs & Stratton. Been playing with them my whole life. I got free 5hp roll around leaf blower and ended up siezing the motor before I realized it was leaking oil. Solid. Couldn't even turn it. I checked it following spring and it MOVED! STP and oil and I've gotten a whole other season so far. Kan't Killem! Thanks for this video!
I have been restoring two old tillers and never realized there was a needed ground connection through the bolt & body. One has no spark and one has a weak spark. Hopefully you saved me replacing the coils. Regardless this is valuable information. Thanks a heap!
Nanny Boo Boo? You crack me up........lol. Excellent information brother! Thanks for putting this out there. Keep it up!
Thanks for the video shoutout! That was great!!!
Thanks for sharing this information
Your the man bro.
I,ve been fixing little engines like this in england since I was 14 , I,m now 60 , & had never seen this done before , & it worked , logical when you think about it , as the magneto laminations must make earth contact to function , thanks , great vid . ( Briggs & Stratton make the most serviceable engines , many copies out there , but never equalled ! )
How many times you replaced good coils in then 46 years lol
I like that sanding or cleaning pad on your air grinder , the one you used to clean the coil with . Also like your coil gap tool nice handy .
"roloc" style discs can achieve the same outcome if you're looking for some. They look sorta like scotch-brite material.
I just used a pocket knife to do the same thing...
@@AM-hf9kk erry noice mate
Did this on my mower fired right up, Thank you 👍.
Thank you for an outstanding quality video! It is extremely hot outside with a heat index of 116 degrees and seeing this video will eliminate wasting time and diagnosing the discrepancy for no spark. Other videos did not focus on the cleaning of the coil mounting block and the mounting area for the coil. Your outstanding work ethic made me click on the like and the subscribe button including the bell! ⭐👍
I love this thanks for watching
My Hero! I was going nuts trying to get my Stihil blower going again . This method worked for me. Thank God for guys as yourself passing the knowledge.
It's not often I learn a new trick and you sir, have pulled it off! Thank you.
Love all the roosters crowing in the background!
Funny you put this video out... I did that on a briggs earlier today. It's amazing how often that solves the issue. 😎
Great video, with a good recommendation. Well done!
Thanks , you helped me solve my problem
Man! Thanks so much for this lesson. I have the same exact briggs 5hp on my old Huskee tiller. I'm trying to figure out where the kill wire on the magneto/coil terminates to .
Wonderful. Great video. !!!
Good advice mate! Thanks!
Thanks-- cleaning the coil contacts restored my coil to a proper Ohm range. The puzzle is why the engine worked well enough last week, but suddenly went to zero Ohms on my VOM. Of course, rust never sleeps, and the additional oxidation-- however slight-- was probably enough to shut it down. In any case, the coil is now back to a healthy 4.64 Ohms, and its contacts are a shiny silver, again.
Please check out our channel Rc baja ruclips.net/channel/UC18rb7n8HgSNXGXbovcKu7g
Thanks for the tip.
Unbelievable, I have that same wrench but never thought to use it on my smaller machine
S
Thank you
Exactly what I needed thanks!
Thanks to your video you saved me a lot of money thank you so much
Thanks worked for me ,great video
Hey that was fun. Like to have seen you scratch that old mud dauber's nest out, but I guess I can't have everything.
I’m going to do what you did on my 2hp briggs edger with points and condenser setup. I cleaned the flywheel and sanded the points. I get a weak spark but not a good one.
Spot on video. Got troubles with an eBay Stihl FS130, ordered new magneto, and new flywheel. I reckon its probably just t he corrosion. Gonna give this a try, hopefully I will be sending them back!
Thanks for the knowledge my man
You saved me a trip to town and the cash to buy a new coil.
Thank you
Thanks for the video. I'll go give it a try. Oh, and nice to see that you and I buy our safety boots in the same place.....
Pretty nifty air gap gauge there. Although you didn't say, I'm assuming that it's .17 thousands thick. Learned that on my 71 Ford breaker points. Also the same gap as motorcycle pick up coil air gap. I'd have probably run a redundant ground wire to the coil bolt as well, but then I learned that for jet ski starter grounds.
Good info, thanks for sharing
Thank you .so much.it is good to learn.everyday.
Thanks for helping me fix my lawnmower for $0!
Great video.
Brilliant engine 👏
Nice trick, learned something, thanks.
Thanks very helpful. 👍
Krovinorez stál 6 rokov na povale, lebo pôvodný majiteľ nemohol nájsť, prečo nejde. Napriek tomu som kúpil Husqvarna, už som bol zúfalý, lebo pri oprave som zistil závadu zapaľovania. Takmer som kúpil nové zapaľovanie za 80€, ale som natrafil na toto úžasné video. Podľa tohto videa som robil všetko a ušetril som veľa peňazí. Ďakujem za tip, dole klobúkom! Dúfam, že budú aj ďalšie zaujímavosti videá! S pozdravom, Erik zo Slovenska
Cheers. I've got a strimmer I need to try that on. What I usually do first when the flywheel is rusty is use some emery cloth and shine up the magnetic part and the coil where it is closest to the flywheel. Forgot the name of it.
I got a older echo weedeater that acts up every once in a while.. take ground / kill wire off and it gets spark again.. might help get your trimmer going again
Thanks a lot. I will try this.
Leave them out in the rain and humidity? Yep.
I started using a light film of dielectric and the older ones needed a new plug end connector inside the plug boot.
Igniter coils can be had for less now but do you really need that? Excellent diag, procedure, and repair sir
I learned something!!!!! Thanks.
Great video. I hope you remembered to clean the dirt out of the fylwheel!
Great fix my Friend! Yep.....Been there a few dozen times myself. Onto the next project! Cheers! Zip~
Def helped me out. Thanks.
Very enlightening!!⚡⚡
Great video. Great job dude.
I had a MAC Tools die grinder that used to do the same as yours - But would start turning with a little encouragement. Those 5hp Briggs & Stratton engines are smooth running for sure.
I think I had that same engine on my minibike as a kid. 😂🤨
Good vid man.been chasing a spark issue on an 18 hp twin briggs and almost ordered a new coil.ill be sure to try this later and lyk if it worked
Great Info --Cool Crocks Man.
Love the "Reuben" banjo intro!
It worked!! Thank you bud 👍
Thanks Dude, just what I needed... of I go to try....
Great little diag on that tiller….👍👍
excellent veido nicely explaned thank you