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I have a normal sealed bearing cartridge on the front wheel, and loose ball bearings in the rear. The rear takes 14 balls and some grease, all info I got came from this forum lol.

I have an EC10D 2 stroke 98cc engine, on an MTD Trail Flite, and it's a pain in the butt :) . It runs some days, but I can't just hop on and ride. I'm guessing it is the carburetor (which I have cleaned a few times, and the diaphragm looks intact). It came with a German Bing 33/Wacker Neuson...

Thanks! I got mine put together, and I agree, it does ride very nice! I love how heavy it is, it feels so much more solid than my Baja MB200. I'm missing two ball bearings, but it rolls well, and I'm not taking it out on the trails yet.

Can someone confirm, the ball bearings go outside of the cups, and are held in place by the acorn nut and some red n tacky? This all just seems wrong to me haha

Thanks Charles, I think that ducar 212 is probably my best bet!

I honestly just don't like this particular engine, and I'm stubborn. It's a zhongshen according to the sticker, not much information about them from what I've searched. Everything on it seems low quality compared to my predator 212 on my minibike. It ran like crap stock, plastic cam gear, I had...

Nice post! I need to take care of my trail flight rear wheel bearings soon. Can anyone else confirm the 3/16 in. ball bearing size? I'm going to order some. Looks like I'm going to try and fit 14 each side.

Thanks Fox! Are the coils all the same brand and specs? I've seen a few of them that say they rev to about 6k, which is probably just what I want. I'd be interested if there was a certain brand that the coil limiter is a few hundred rpm higher! I've been looking for a spec comparison chart...

I need to replace a 196 clone motor on a knockoff "twister lite" outboard mud motor for my boat. I upgraded a few parts on it before I opened the case and saw that it had a plastic cam gear. F that! So now I'm looking around for a replacement motor. There's so many options these days, I'd bet...

Thanks Kayde, I can't wait to get it in riding condition. Did you keep the original struts and springs on yours? I'm a big guy too, and was wondering if the suspension is going to bottom out if I decide to turn down a deer trail or something.

Dang, thanks triely! I scanned the first three pages on Amazon for my search, and couldn't find that size...

I can't find 1.25 od x .5 id bearings online. I might try 13mm x 32mm, but I'm pretty sure it won't work. I'm going to wait to see if minibikefever can post a picture of him inserting and greasing his loose bearings.

I believe those axle nuts are tapered to better support the "cups". They have a thin nut that goes on top to lock them in place. I think It's not rusty in that area because it's in tight contact with the cups, and I poorly/quickly hand sanded all the parts as I removed them. I could be wrong...

And I was wrong about the rear wheel not being a straight cylinder. I was looking at the front wheel, and it's belled to hold the cartridge bearings in place. Good.

Rear wheel is an odd size to me... Axle bolt is .525 inches, at the smooth part, but the threads are taller. Not going to be easy to get a 1/2 inch ID bearing on there. OD looks like 1 1/4 . Looks like I have to go with the loose ball bearings, unless someone has an idea.

Front wheel pic with normal axle, bearings, spacer. Not pictured: wayyy too many washers and nuts haha. The guy who sold it to me was known as the kind of guy to not spend an extra penny on repairs for his truck. It seems he learned his craft on this bike .

Thanks minbikefever! Strange, the front and rear wheels have different size openings. The cups for the rear are too small to fit tight in the front. That's ok with me, because the front wheel had two traditional bearings with a spacer between them. I need to find my calipers (in a box...

Finding a bicycle shop nearby is going to be pretty tough. I'm in the middle of nowhere, about a half hour from a town of 1600 people. I can order parts and pick them up at the post office though. Am I understanding correctly that I can pack it full of loose ball bearings and grease when I...

I pulled the wheels off my mtd trail flite to get ready to replace the tires, tubes, and bearings. The front wheel makes sense to me, but the rear had no seals or covers or snap rings. When I took the axle bolt out, a dozen or so balls fell out, but there were no other bearing parts besides...

I feel your pain. OldMiniBikes warehouse is sold out of the affordable options for my mtd trail flite. I don't usually suggest this, but I'm probably going to order from AliExpress. $48 vs $180 for two tires and two tubes.