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Thanks Webhead! Hope you had a great Christmas. By the way, this is the unit that generated my interest in the Tillotson HU38A carbs.

Very cool auger, do you know who made this?

Hello All, I’m about to dig into this O&R The Groomer and wanted to see if anyone knows how the fuel lines should be hooked up. There is an interesting little inlet nipple machined into the side of the engine where the mounting screws are located. Best I can tell this looks like an attachment point for a fuel line or vent hose of some sort. The little Tillotson carburetor has 2 fuel line elbows. I’m assuming one attaches to the fuel line coming from the tank but where would the other one attach to or is it supposed to attach to the little nipple on the side of the engine? Any suggestions are very appreciated. Thanks!

David, I’ve been looking on the UNI site and I think I’m now understanding that they are recommending just applying their special oil, to a mixture, to the foam filter. Sounds like it’s some sort of fairly thick and sticky oil that you massage into the foam- I’m guessing to help catch the dust. Then they suggest cleaning with their cleaner of course. Thanks, Clint ps: I was able to find the Stihl HP oil (orange container) and some high quality fuel in a can that is distributed/sold by Toro (I think it is 92 octane). This should eliminate the potential of harmful additives and ethanol that is common in the standard service station gas around here. Sorry, I mean to say “oil only, not a mixture” in my last post on oiling the filter.

Believe it or not I was actually on that exact eBay listing when your message came through. After looking at this one a bit closer I think I prefer the earlier style O&R engines best but I may keep an eye on this listing and see if it grows on me. I think I’m going to be able to get my hands on a Mustang 149, hopefully it’ll be in decent condition. I also picked up an engine from one of those The Groomer trimmers but it’ll probably be best as a parts engine. It has the odd-ball Tillotson HU38A carb as well.

Amazing! This is incredibly helpful. I’m hoping to get my hands on a Mustang 149 and I don’t know the condition of the clutch and may have a line on these two parts. Thanks! Clint

Thank you. I’ll explore the options. I understand the piece-meal challenge. You’ve got quite a collection of great parts. Let me know if at some point in the interim if you might be open to a multi-item order if I come up with a list of items but still very manageable for mailing/shipping. Wish I was located closer to you!

Thank you David- you’re an amazing wealth of knowledge! Do you think these might fit the Orline Mustang 123 or 149 chainsaws? Sorry to hear about the Firefox issues, that’s always frustrating.

Hello, Did this already sell? Thanks!

Ok, rats but thank you for letting me know. Unfortunately being in MN I’m not able to do a local pickup. Please keep me in mind if you decide to sell any of the used engine parts, tool parts or NOS O&R parts. I’m happy to arrange PayPal or other payment directly. If I ever get the opportunity to be in your neck of the woods I’ll be sure to let you know. Thanks!

Hello, Does anyone have any O&R information/parts lists that can confirm the application for the following part numbers: A-125-15 and A-62-20? I think these are both clutch or gear box related and maybe for one of the O&R chainsaws. thanks!

Neons, I’m new to O&Rs but have taken to the addiction quite quickly. I’m just now seeing this post and thought I would inquire if you still have any of this stuff left and if so if you still have an interest in selling. Thanks, Clint

Wow, absolutely incredible collection of O&R tools and engines!

Hello, I’m still very new to O&R but learning a ton about these engines from all the great posts and enthusiasts on this forum. One thing I’m still a little puzzled by is how to distinguish between the 3/4 and 1 hp models when the decals are damaged or missing. Are there any obvious tell-tale signs or clues that I can look for, or specific model/types? I hope his new thread lands in the right spot. If I’ve goofed again, my apologies and I’ll need a little guidance as it seems I’m in the right Ohlsson section when adding a new thread. Thanks!

Thank you Paul! I will try to add new threads in the right location going forward.

Hello David, Thank you, my apologies for having these threads in the wrong spot. I guess I didn’t realize you could specify location - I’m still learning how to navigate the forum. Is there an easy way to move them to the right spot? I think I’m going to get a small dental mirror to see if the fuel pick-up pipe is visible inside the tank on the carb side as you suggest. If the fuel line is all rotted I’m not sure how I’ll get in there. It looks like the bottom of the tank is glued on somehow so maybe worst case I’ll have to heat it up and try to pry off the bottom. Yes, unfortunately the recoil starter is missing. I may use this as my learning engine to do my first full tear down and rebuild. I’m anxious to see all the internals and learn more about how they’re constructed (can’t help the engineer in me). Thanks, Clint

Just picked up this Ohlsson & Rice Dyna-Mite, mainly for parts. I think it was originally an O&R Life-Savr generator but it is missing the actual generator section of the unit. Does anyone know what size cap might fit this tank or have a spare cap you might be willing to sell? Also, the tank looks very clean inside but I was suprised to see that there isn’t any sort of fuel pick-up tube that comes down from the fuel nipple. Should it have such a thing or is the fuel sucked up by some other means? If it is indeed missing the fuel pick-up tube are there any suggestions as a possible fix? Thank you for all your expert advice!

Did this ever sell?

David, I bought some UNI brand green filter foam that is 5/8” thick and I can cut out the circles to replace the old filter that has completely disentigrated. Question, the UNI manufacturer recommends oiling the foam for proper filtration. Have you found this to be a good practice even for the O&R engines or should I avoid that step, just looking for a second opinion. Thanks, Clint

Nice, $8 is a good deal. I’ve done business in the past with Abebooks so I’ll have to check them out again as well. Yes, I think you’re correct about the BIN listings, nice catch. I’d prefer to find originals when possible so I may hold off on these for now. Anoying when people don’t specify when they are selling photo copies. Clint

Thanks David! I’m watching a couple eBay listings for the Small Air Cooled Engines manual. I also found a listing for a manual and parts list for an Orline chainsaw that probably has some good info as well. Let me know if there is anything specific you’d like for me to keep an eye out for here in the US and I’ll do my best to let you know if it shows up. Happy to help however I can. Clint

David, I’m definitely hooked now with these engines, they’re addictive. Do you have any recommendations on specific operator and service manuals or other sources of information for these O&Rs? I saw a reference in another post to the Small Air Cooled Engines manual and I plan to get my hands on one of those as soon as possible. In addition to the engines I enjoy collecting misc advertisements and technical information and thought I would see if you had any suggestions of where I might go looking. By the way, I think I’ve located some 3/32 x 3/16 Tygon fuel line. Thanks! Clint

David, Thank you very much, that’s exactly what I needed! I’ll check around for this size in Tygon but if that’s not available I will hunt down the Oregon tubing. Clint

Just to ensure I get the correct size, what is the recommended fuel line size for these O&R engines? I was planning to get some Tygon line and there are quite a few options.

David, I like the way you think. I’m going to keep it original and see what I can do to fix the stickers and clean up the paint without more of it chipping off. I’ll have to read up on the o-ring/seal fix thread to see if I can somehow improve that issue. Thank you for the additional info on AEP as well. I just missed a Drillgine this past week on eBay and I’ve been kicking myself for not jumping on it. I’m still trying to learn what the value/price scale for some of these tools should be and I still don’t know what constitutes a good deal. Seems the range is quite large. If you haven’t seen it already there is a neat Warn winch O&R on there right now but they’re asking a lot for it (a lot in my book anyway) but it looks new. Clint