Quick Tip #12 - Flywheel Magnets
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- เผยแพร่เมื่อ 15 มิ.ย. 2016
- In this quick tip video I show you how to prevent flywheel magnets from coming off.
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That was very useful. Great to see the points and condenser. Have a good day!
Thx Dony, always good stuff.
Interesting. The two Tecumseh engines I have (mower and outboard) have the magnets built into the aluminum, not stuck on like those you showed. Wonder if mine, at least one circa 1975 is newer or older than the one you showed.
JB Weld makes some pretty cool schtuff! Thanks Donyboy!
Thanks Don. I have a few of these around and will do this.
Can you convert this to solid state ignition? If it's possible, could you do a video on it. Thanks!
Great tip Don!
Good tip Don thanks.
can i change the stock magnet out for some neodymium ones for bigger spark???
good video. good tips. Thanks
Hoping you may know, I have an older tecumseh engine with a fly wheel issue. It is a different fly wheel but My main question is I understand the purpose the magnet on the outside of the flywheel. This fly wheel has a gear for the electric start but also two magnets on the inside of the flywheel. What is their purpose? I have a second fly wheel but no magnets on the inside will it work??
Thanks Don. Always something to learn from your videos. I have Wisconsin motor on my tiller model we180. It's a good motor and runs really well. I took the carburator off because it was overfilling but now I see there is also corrosion and pitting on the carb body inside. Do you have a place to recommend where I can get parts for this motor? I'm thinking I'll replace the whole carb. I'm in Manitoba hard to find parts for this motor.
you'll have to google it, there may be places in the usa
if possible can you make another ( video ) with more information ?
Thank you for the great videos I learned a lot. Quick question live in Chicago I have a John Deere LA 145 I store it in a unheated garage, run engine empty of fuel or with fuel and stable?
non alcohol fuel with stabilizer is best, if cannot find fuel without alcohol use a treatment for it, of course starting once a month is recommended as well.
I happen to be working on an old massey ferguson tractor with a Tecumseh engine. the issue is no spark. I have determined that the condenser is bad but I noticed that on your flywheels the magnets are about an inch apart. on mine, it looks like a previous owner has done this repair but he glued the magnets right beside each other, actually touching each other (by the way, I was able to remove 1 magnet just with finger strength, so it's good that I saw this video so now I can re-glue them). should they, in fact, be spaced about an inch apart and where, exactly, should they be located so that the spark timing is correct ? thanks for any help you can offer and keep these excellent, well-recorded, well-edited, and informative videos coming, please.
Can I do this the the single magnet that's on the outside of the flywheel and use the steel reinforced JB weld Sir? Or just use the E6000..thanks
Say Don, I've got a 16 hp tecumseh engine that is on a Miller bluestar welder. Someone took the flywheel off the engine and the magnets inside they took out and did not mark what direction they were in. There r at least 6 in it for the charging of a battery. I need to know if there is a way to figure the polarity of them to reinstall them correctly.
You need an old school navigation compass. It will point north and south so you can figure out which pole is which on the magnets that were removed. Then reinstall them so N and S alternate to get your charging.
I need help ! I need to no the polarity of the magnets is one positive one negative facing inward? Factory magnets are curved on the backside which I assume one will have a positive field up & a negative field up.
I just installed a new coil & condenser, but still no spark with these magnets installed. ????
Would you ever consider using jb weld to glue a small broken flywheel fin back on?
probably not, I would just leave it the way it is
How do you find where to put them back to, Mine came off and don't know where to put them ???? Thank you The Dizz.
hey dizz. yeah maybe he could give you some measurements.
Hope so, cheers Man.
Both my magnets were loose, but wire brushing then spraying with starting fluid and holding at an angle in the light, I could barely make out the outline where magnets were glued. Put both back on with epoxy, works fine now. If you stop the video looking at the position of the magnets relative to keyway, it would probably work to guess the position - better than throwing it away. The point opening determines when the plug fires.
We're can I get the magnets at
Are you supposed to have magnets on both opposite sides of the flywheel?
Help! I was replacing my flywheel on a B&S 21hp yt3000 and dropped the key way down the hole in the crank. Using a magnet pulled it out and there is a 3/8x 1 7/8 magnet bag that came out. What does this do and it seems to long for the bolt?
i wonder if anyone could experiment with timing on an engine like that if they could pop off the magnets and move them. it would be pretty fun if you could coax more power out of a small engine with timing modifications
Is there a way to get 12 volts out of those I have a lawnmower and I'd like to put a tractor light on my honda mower
no not enough magnets
Still need to know the measurement between the 2 magnets. Both mine came off and locked the flywheel. I see where one goes but can't make out where the other goes. Guess I'll chip it off and move it a little until it fires at the right time.
Do the magnets on a weedwacker flywheel loose magnetism over time??
sometimes they can but rarely
donny how to repair the fly gear
Which type of magnets there are?
Easy part is glueing them on, that's a no brainer. BUT, the hard part is knowing exactly where to place the magnets if you can't tell by old marks magnets left on flywheel. AND, how about the air gap? I;ve tried various methods to set the mag. air gap with weak spark results. I don't have the Tecuseum cutaway flywheel & be tough to find one. I guess i;m buying a gauge to find TDC, but, the damn piston is offset, so you can't just find TDC by going through the spark plug hole!
I need an old timer to churp in here!!
When the magnets have come off how do they go back? Should they attract each other or oppose each other?
I need to know the same thing. And where to get the magnets
Cool
Do you know if the polarity matters? I have both magnets knocked off and I was going to epoxy them back on. I don't know what order they were in to begin with. I checked them with a compass and one has north pointing to the center and the other has north pointing out so they are different.
Polarity doesn't matter, just try & find marks left from where they were on flywheel, if you can't , well, i think your outa luck
It doesn't throw the inertia off?
Not to insult you but, we're are not fixing a piano here. Those small engines are not "blue printed". The weight of the epoxy isn't going to affect the engine at all.
Very smart
Except that it will throw it out of balance
have a good weekend
My quick tip is use a stick or something plastic to spread on the epoxy so the tool you apply it with don't stick to the magnets
Except that it will throw it out of balance....
These engines are already out of balance as is, I doubt a thin layer of epoxy is going to do much to worsen it.
It won't throw it out enough to cause any serious bearing wear.