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One of the absolute best cleaners I've used for fuel funk is lacquer thinner. A gallon can is not very expensive, and a little goes a long way. The downside is it is hellish on some plastics and it will eat up paint. (On the plus side, if you smell it long enough you can actually talk to the engine.)

Do you not just love it when the manufacturer actually puts the point and spark plug gaps on the machine!

Two problems with Olsen Rice gas engines: 1) The transfer ports in the cylinders were drilled AFTER the cylinder was screwed down on to its cushy gasket. Half the time you unscrew the spark plug the cylinder loosens on its threads and has to be retightened. Then the transfers arent lined up smooth anymore. They will start and idle but high rpm power is way way way down. It gets to where you have to make shim-gaskets out of paper or shim-metal so the cylinder is both I) Tight and II) transfers exactly straight-as-drilled. 2) The diaphragm carburetors had a rocker arm transmits "in" motion (due to venturi suction) of the diaphragm into "up" motion of the metering needle. THE ROCKER WAS MADE OUT OF RUBBER. Fat chance you're going to get one of those to work for very long. I've A) Fabbed a new rocker out of aluminum or brass and, B) Adapted a tiny Walbro WA carburetor to the OR engine.

It's sure easier drinking coffee and watching you work on these projects than when I do it, and I don't get nearly as dirty. Thanks for the videos, I've learned a lot watching them.

I have one of these! The generator is on a shelf in my basement and the engine is in a 50" long, radio-controlled model boat, called "White Heat"; that I built from plans that were in an old Popular Mechanics magazine. When I first got this engine/generator, I fired it up, plugged in my incandescent shop light, and the engine bogged right down! It served me much better in White Heat which I still have with me today but have not run it in years. Back then, this engine was even used in a few model radio-controlled helicopters. Now, there are much better engines of course; my engine of choice now is the weed whacker engines expecially the ones with an automatic clutch. Good to know that carburetor kits are available too. BTW, my O&R engine has the original air cleaner! Thanks for the video and the memories. Karl

I love that Taryl answer the question in the comments before they are asked, and he has a special voice for them

Before I started watching Taryl , I thought a hand full of tools and a little patience would fix small engines, now I know it takes a shop full of tools and years of experience plus a bucket full of acting ability and creative mind. Great work Taryl

I have a big collection of O&R stuff..... generator, chain saw, drill, a hedge trimmer and a couple model airplane engines. The Tiny Tiger I have is NOS in the box. I did run it once. It's a little screamer. I have video of it running on my KZfaq channel. I think they're governed for 120 volt at 6800 rpm. I have a ton of parts too. My grandpa's neighbor was an O&R dealer back in the day. Back in the mid 80's I bought everything he had left. There super cool little engines that were good runners, but very loud.

You called it a Rotor , it's a Stator. The Rotor it the part that spins, Its a two pole rotor so it should be 3600 RPM (60Hz) if it was a four pole then it would spin at 1800 RPM, that's my nickel. Good job Taryl !

This has been the best project and video yet, I love seeing that old stuff coming back to life. That was a great project love it.

As an old mechanic I love how Taryl went through the problems, you could easily decide this unit has too many issues to be worth while, it's the order he took that made the journey successful, How can you not like Taryl 🍻

I also had a Honda 40 watt generator. It was a tiny 4 stroke and had an automatic choke. Was really cute and worked great. I ended up trading it off for something back in the day.

The aspin fuel is great stuff.. with a shelf life of 2 years ..

I have learned so much watching this channel over the yrs .this is awesome testament that older engines can still run if you know what you're doing, I love it. Anyway god bless and stay safe

Mr. Dactyl.....can;t believe the sung lyric from Mr. Zimmerman you snuck in. Brass Rod indeed!!! BWAHAHAHAHAHA!!!! Please tell your talented family I wish yall all a very Merry CHRISTmas!!!!! Sincerely Larry Croft

That was a cool video! I'd heard of Ohlsson and Rice model airplane engines from the 30's, 40's, or 50's, but didn't know they made Tiny Tigers!! I'll bet cell phones were really rare back then. That was sure enough a wild carbertrator!

I use the striking strip from a book of matches to clean contacts. (primarily motor contactors) The powdered glass is a nice soft, fine abrasive, and the red phosphorous enhances/replenishes the anti-weld property of the contact alloy.

Great Video Taryl. Your knowledge and years of experience working on everything from weedwhackers to generators and everything in-between is absolutely invaluable. I always look forward to your newest video. They are priceless.

Very nice video, as usual, Taryl. Concerning the RPM, I would use the multimeter in 115V slots and set the engine speed according the correct voltage value. Greetings from Czech small engine shop. Great job!

Pretty interesting video. Didn't realize they even had such a small generator back then. You even managed to make it live again!!!

I just love little gadgets and things like these, it's always so fun to watch them be restored! Well done taryl and keep up the amazing work!

Hey Taryl, have you heard of compression whistles? They're kind of cool and useful, you get used to the sound they make with various engines and they're a small little deal that is about the size of a spark plug. You just thread it in and turn it over-even with a wrench-and you get used to the sound of good or low compression. Also if your engine is stuck you can fill the cylinder completely full with oil, then you modify a compression whistle with a grease zerk fitting and can pump in thousands of psi to free the engine. Just the tip, only the tip, and just for a minute...

This made my week. I learned a new word, carbatrator ♥ I liked the spot on diagnosis with how there was SO MUCH wrong with this thing. The only thing I would have finished with, would be to use that nice FLUKE meter in the frequency mode to make sure that the SET RPM's are at 60hz, and the voltage in the appropriate 110 to 120 range. The cool thing about generators is they are true sine wave so it's not the nasty square wave they try to sell as good as.

Cool project. O&R made model airplane engines back in the day with tiny spark plugs instead of glow plugs. That generator sounds like some of my plane engines!

Fascinating video as usual, and full of great info, even though I've never seen one of these engine generator combos. TD is a great trouble shooter. The opening of the video where the guy wades through empty beer cans to get out of his trailer is funny.

Interesting little unit, great job on it too, especially repairing those wires👍

Taryl, in the welding shop I worked in, we were told that the striker on a pack of matches made a good makeshift points file.

Awesome video Tarly, your knowledge and patience is inspiring.

Was going to say just connect the voltage meter on it for testing instead of that light - but you got it goin eventually - great work Taryl!!! Good job per usual!!! :)

First time I have watched your channel, will not be the last. Entertaining and informative, have worked on motor cycles and small engines all my life, over 80 YEARS OLD NOW, never seen such a small all in one generator. Would have loved to have had that one

I think I almost learned as much from this as I did from Briggs school in the 90's. That little unit would be super useful when dealing with equipment in the field.

Holy Buckets is a good actor! He should try out for movie roles.

I can’t believe how vigorously you were pulling that starter. The instructions were very clear. 😂

Nice Job Taryl, you look dapper in that beautiful Christmas sweater too.

That little hog he rode in on that was my first mini bike same color and everything ...all my friends had XR75 I had to ride that thing .. but it wasn't much longer before I got me a new for '78 DS 125 zuki and I was the king 👑 yhaaaa boy !!

Taryl, a K&N type breather filter might be the finishing touch for that generator.

Very impressed by your patience and persistence, it reminds me to never give up!

I am a retired person and I pick to repair stuff as a hobby just to keep me busy and have to thanks Taryl for his teaching in fixing things with patience that maybe nobody else wants to fix but he gets into it and when he gets happy I also get happy alongside, thanks Taryl keep it up

The crossover tube is to prevent air lock. Necessary for such a tank design where air can get trapped and keep the tank from filling or draining properly i.e. without it you wouldn't be able to fill the pick-up tube side of the tank as trapped air would prevent you from filling that side with fuel. Also the gas mix ratio, based on those instructions, is 24:1

Another job WELL done sir! How aggravated were you when you realized that you had to take the carbentrator back apart to put the screen in? lol Love your work,

This guy is one of the best old school mechanics I've ever seen. But instead of using a appliance I use a voltage meter to set the rpm to get the right output. On a small generator the spark plug other octane of fuel can alter your output.

Another great video Taryl! Keep them coming, your videos are better than anything on tv to day.

When you have a diaphragm that needs replacing and there is no source, I have had luck at getting them softened so that they are pliable enough to operated properly, by soaking the diaphragm in brake fluid. I don't know how this works, but it does. When I was a kid in the 50s, O&R engines, were the gold standard for large model aircraft. I remember one model Lancaster bomber, that had 4 O&R 60cc engines and radio control. For us model builders, it was like seeing a unicorn. Beautiful little motors. Great, informative video.

Great video, it's cool to see this small generator comes back to life.

One of your better videos. Enjoyed it very much. Kudos to you and yours.

O&R was popular for their model airplane and car engines which are highly collectable as well. Btw, if you remove the cylinder head, you'll see exhaust slots sort of like an old COX .049 model airplane engine.

I love it when Taryl says "I know some of you guys are going to say ........ ,(with a high pitch voice) In the comment section 😆.

What a cute but noisy machine! 😄 Congrats for bringing it back to life! Regarding Aspen fuel: I have been using these fuels (2-stroke and 4-stroke) for many years now and I would never go back to pump gas for small engines! The emissions of harmful substances is way lower and it smells a lot less. Also after using the 2-stroke string trimmer on pump gas I always had headache and this is gone now. The aspen also burns very clean and is very stable, even after years the machines start like they were just stored yesterday! I highly recommend, but you need to adjust the carb when switching, otherwise 2-strokes will run lean. And as I have heard, some heavily used 2-strokes have built up some carbon deposits from years of use and when switching to Aspen or similar, these will burn off and can cause problems, so do your research. Otherwise it is a superior fuel in any way, in my opinion. 🙂

I loved this Resto,you really are a master. I can't wait to see you top this one! I hope you get around to some old clinton stuff sometime,Thanks for the edutainment. P.S. reason we were given for not sanding points was it embedded filings into the carbon,but you took the time to actually clean the contacts first and negating any of that. Way to go as always.

The smallest generator I had was on my bicycle and it powered my lights. But it was powered by my blood, sweat, and tears...

Done only as Tarly can do it another thrilling success!

You are very different when you see something you have never seen before. It is your experience that is the ace in the hole so to speak. Fun to watch

Hy Taryl, absolutely great video my friend. I use Aspen 2 all the time in all my two stroke equipment and I also use it in all two stroke equipment that I fix for other people and also recommend it. Keep up the great work my friend, I enjoy watching your videos

Hey Taryl . I have a Honda e40 . It has a 17cc 4 stroke engine and only puts out 40 watts . Much smaller than that unit ! Mine was built in 1964 , you should find one to look at !

EXCELLENT VIDEO!!! Thank you, I remember those little guy's from years ago.

I spit my coffee when you started singing!!! I love you Taryl. Can't wait to wear my Christmas shirt, it's on its way.

That's a cool little generator!

I got to admit I'm very Impressed I didn't know if you could get that going again - You Are The Master of small Engines Taryl

I had several of those Tiny Tigers 20 years ago. Both O&R and Tiny Tiger seemed to have different CA addresses when those were built during their production span. One had a very big cast aluminum muffler that helped a little bit but it still sounded like a deranged weed wacker. I think one was made by GADCO Electra but I forget who made the others I had and am not sure which company owned them first. That unit is made before 1964 because the O&R address has a two digit zone code they stopped in 1963 when they switched to zip codes. Mine all needed carb diaphragms and at the time Bobs Small Engine Service in IA was the only place selling the thin rubber membrane that fit them. Replaced it and they all ran fine.

When I was told not to use sandpaper on points, I was told not to use "silicone oxide" paper. The silicone will act as an insulator if a chunk gets left in and crushed up, as where aluminum oxide will powder up and fall off when crushed. Same goes for flame sensors on furnaces, the silicone oxide residue will melt into glass, the aluminum oxide paper grit will just burn up. If the paper says "waterproof" which almost all emery cloth is, it's going to be metal oxide based.

Well done! I expected that Magnifier bulb to blow up when you revved it, haha!

I've not heard anything about these little gems before but I really like it. I was just telling a few friends last night about the old wire hose clamp devices that our forefathers used hundreds of years ago and they are getting more popular again today mainly because they are so simple to make the tool and to easily to make those wire clamps an they work great an don't leak. Old technology being brought back to use today just as it was back then, because it worked an didn't fail. Only down side is it is a one time use, an you need new wire to replace clamp. Plus I also told my friends we need to pay more attention to old antique tools, devices, machines, and vehicles from all around our world because in other regions there has been more great ideas that need to be reborn today to better our lives. Including farming machinery and tools used that will benefit the local Gardner to yield bigger crops in their limited space. I like this video, and I'll definitely check out his other videos he's posted on his channel. An if you know of some old cool took, device, or machinery, please share it so those things can get talked more about them and possibly improved on because this life we are in right now, we are all just one single piece of a massively huge jig saw puzzle. I once said years ago, he man or woman who died having the most tools wins. That's wrong, but rather having a family including friends who share a big work shop working together an having a an enormous amount of tools to fix or build anything, they win. Sharing the knowledge is our best way, an yes I am old school and if you have those old manuals on anything, if you are a smart guy an we know 99% of the people working with their hands are smart, never get rid of those books. I know we have the internet, but what if one day we lose it and need to fix it. Then we are going to need them books an have the tools to get it done. Knowledge and tools are nice to have. I've built a power supply 14 years ago an had 120 volt AC going into it and getting out 240 volt AC. It is real and the so called professionals say it don't work, it does because I had 3 guys from electric company check it using their own tester's. Then I had about 45 or 50 other people who was interested in building their own look at it for 3 or 4 hours one afternoon. We can have free power. I got 240 volt from my homemade generator using a 3 phase motor an I ran 120 from original breaker box to power my 3 phase, but when I grabbed 120 from my 240 leg from my motor it was powering itself and I shut off the original breaker box cutting the connection to the grid. I provided power not just to my motor but to my enter shop sand that included all lights, 220 volt huge air compressor, and my 3 phase machinery and computers an fridge inside my office. Our gov hides things right in front of us. We must share info with others. Its when the Greed grabs you an you think you're going to be rich an get papers on it before showing others outside your circle. But what happens is you get arrested an all your work disappear, they kill you off, or threaten you with hurting your family if you tell anyone else. Best way it like I done, I'm not sure how many videos of my machine is floating around but I released it to public. What can they do to it now, it's public domain and anyone that can find it can see it.

Great video Taryl. When you assembled the carburetor though I noticed the little screen was still sitting with the old parts. Hopefully it was put back in while off camera. 😊

The reason you don't sand with emery paper, I was told, was because the grit particles can detach and embed in the metal and you end up with like two bits of sand paper rubbing against each other

Awesome video, you are the man!!

Holy buckets! What a great restoration video. I bought a kit to motorize a bicycle that included one of these O&R engines which drove a knurled drive wheel that came into direct contact with the tire. It was fun. I wish I still had it.

I always enjoy your videos, what a cool little genset, lots of work fixin that thing but so cool. Thank you and keep the vids rolling

This was a cool one.awesome job as always!

That's the smallest IV ever seen looks cool 😎 though

Good save fixing that wiring. A lot of work to bring that little tiger back.

I did not know it would be that big 😂 The wires with insulation. You guys are great.

Taryl, I'd love to see you make a farmer's battery charger from a pressure washer engine from a unit with a bad pump and a used alternator. A 72 amp with built-in regulator should do well, but smaller is ok, and bigger might not do well. A 6" pulley is needed for the engine to get the alternator up to speed. You might need to turn the engine sideways and keep the belt short. The rest should be easy to figure out.

Awesome video Taryl keep them engines alive!

That is a neat little Ollson Rice tiny tiger. You were brave taking the end off the genset. I was sure it was going to crumble inside, but no, you pulled it off. I was impressed with that patience. Maybe they used it for power that made too much heat over time and caused it to stop generating. then the oil and gas reduced to that sludge goo. Too much oil in the mix maybe because it was in the tubes? When could you be sure you had that pump screen clear? Numerous washes and rinses while jabbing. How could you get paid your labor? That makes them a labor of love. The customer finds out you need hours and hours, decides, no, they buy the new kind. Hope you did get time and parts covered. Nice work and good video. I cleaned points a few times in my life. The reason not to on automotive is pitting and buildup transfer. Like stalactites and stalagmites. You don't do that to a customers car because the boomerang effect. Then they want new parts and to pick it up FOC. As a comeback. But on small engine, it's not real far from home and used as many hours, right. Everything went electronic on cars and maintenance cost was less repetitious but more expensive. It sells the unit because of dependability estimates. You clean all the points you like, like I do. When badly pitted you need a condenser anyway.

Fun fact; They gave this genny away for free when you bought a happy meal at Mcdonalds

Taryl DOES fix ALL....way to go

vintage is king; this was a good one Taryl; thanks for sharing.

You are awesome,,patience of Jobe, lots of hands on experience. Thanks for your videos I'm 74 and still learning 😁

Less than a year ago, I had a couple of surgeons do the same basic thing to one of my cardiac arteries! Worked out great. Probably a little more expensive, though. I don't remember any Lizard Cam involved.

The LED is polarity sensitive..

AMAZING 👏 I LEARNED ALOT IN YEARS WATCHING YOU ONE HELL OF A MECHANIC

I've always been taught to clean points with Emory paper and I've been doing it just that way for 24 years I'm 34 now and my uncle's and my buddies dad have never steered me wrong since my old ct70 I started tinkering with since I was 9-10 years old still have it still runs and it was the first motor I took apart and rebuilt.....that little Honda built my confidence enough to work on my friends stuff and it's always worked out one way or another* (another* is code for trashcan/junkyard though).......,Loved the video it was fun and had some great content, working on small displacement engines is fun and usually less stressful than idk say working on the old Harley twin cam 88 (1450) efi engine that TOTALLY ISN'T bringing me to the edge of my patience /sanity

Well Taryl, I am not with you, at the Aspen themathik... I do quit the same thing as you do here in Germany, little engine repairs. Aspen does eat especially old rubbers, like diaphrams, which ran always with standart fuel... I have lots of Chainsaws and Trimmers, which ran perfect until Aspen was used

The work that you do is great, but the arguments that you have with yourself is priceless! LoL Keep it up Mr. Taryl

Pleasure watching you man. Learn 10 new things every time. My sausage fingers fix watches too. You are appreciated.

Awesome as always Taryl! One day I'll come down to see you from Quebec Canada !

Sweet - well deserved dance time. You're a master mechanic. When it comes to dancing not so much.

i love your work! very educational! great job!

I have the next step up from one of these, a Homelite XL-12 A115 generator. Love the thing, super handy with it's small size

@ Taryl, good to see another small engine guy that is not scared to tackle electrical problems, kudos brother!!!😎👍

That is one wicked cute engine. Love all the quality Aluminum.. I Wish that i could find any info online of my small Fuji/Subaru inverter Generator with the mechanically throttled 2-stroke Robin engine. You have got to see how much power that thing has to believe it. Plus it puts out Major 12 or 24v power... like 80amps. It's the size of a milk crate, weighs 25lbs and will run my table saw or 15a skill saw cutting 2x4s. I have to see if i can get mine going... hasn't run in a while.. Thanks for this video 📹 👍 ~

It wouldn’t be a Taryl video without a commercial every three minutes!! I remember when we didn’t have any interruptions🤨

Love your happy dance and your screen when you get it fixed

Thats a great unusual generator.Great video as all ways Taryl.Heres your dinner.

Nice job bringing back the O&R generator… sweet!!

That was a great video. That little generator is pretty neat!!

That little generator is AWESOME!

Taryl ! Another great resto job done well !

you sure the man Taryl im starting my own small engine repair and matance shop . Brooksville Fl . all because of you.