Manco 813 rear axle rebuild

[madprofessor]

Seen to many go karts, mini bikes, atvs, dirt bikes just sitting getting a permanent tan. Mother Nature sure is hard on stuff at times.

I must agree in general with hating to see it, and having seen too many already. Just want to point out that since I've unfortunately not had enough opportunity to explore junkyards very much in my lifetime (a huge entertainment for me), the amount of abandoned-looking and seemingly beyond-any-hope gokarts and minibikes I've seen on this forum makes this the place where I've seen the most of that kind of thing ever.
It's inspirational to see the dead being brought back to life here, from just enough to rip it for fun, to amazing complete restorations. I truly appreciate smart mechanical work and redesign, and certainly also great craftsmanship.
BTW: Your craftsmanship is showing. Don't bother to pull your hemline back down, I like it.

 

[Possom Point]

I must agree in general with hating to see it, and having seen too many already. Just want to point out that since I've unfortunately not had enough opportunity to explore junkyards very much in my lifetime (a huge entertainment for me), the amount of abandoned-looking and seemingly beyond-any-hope gokarts and minibikes I've seen on this forum makes this the place where I've seen the most of that kind of thing ever.
It's inspirational to see the dead being brought back to life here, from just enough to rip it for fun, to amazing complete restorations. I truly appreciate smart mechanical work and redesign, and certainly also great craftsmanship.
BTW: Your craftsmanship is showing. Don't bother to pull your hemline back down, I like it.

I appreciate the kind words!!! And I can’t agree more, seeing things brought back to life can and is a happy and hopeful task.

 

[mellow]

Nice to see someone get this fixed, mine has been sitting in the backyard for the past 2 years with the motor in the garage. Do you have a parts list you could share?

Manco 810/812 axle help

Back again, I have had the cart sitting in the back yard trying to figure out what to do with this thing. None of the local shops wanted to touch the axle trying to fix it, told me to just buy a new one. The last time I priced everything I need at gopowersports I was looking at $400 and it is...

www.diygokarts.com

 

[Possom Point]

Nice to see someone get this fixed, mine has been sitting in the backyard for the past 2 years with the motor in the garage. Do you have a parts list you could share?

Manco 810/812 axle help

Back again, I have had the cart sitting in the back yard trying to figure out what to do with this thing. None of the local shops wanted to touch the axle trying to fix it, told me to just buy a new one. The last time I priced everything I need at gopowersports I was looking at $400 and it is...

www.diygokarts.com

Yes. It should be the third picture on the first page of this thread, that is what I needed to re-do the rear end on this kart.

 

[mellow]

Ok, it was short on details, didn't know if you had a better list or not. Thanks.

 

[mellow]

Sometimes I don't think english is my primary language, I found the parts list on the first thread

Thanks for doing this, I have been wanting to put that cart back together but other projects keep getting put in front of it. Hoping I can fit this inbetween the mower rebuild project before the grass starts growing

 

[Possom Point]

Sometimes I don't think english is my primary language, I found the parts list on the first thread

Thanks for doing this, I have been wanting to put that cart back together but other projects keep getting put in front of it. Hoping I can fit this inbetween the mower rebuild project before the grass starts growing

all good. Hope it helps and good luck with your build, grass does grow pretty fast so may need to do the mower first

 

[mellow]

@Possom Point Can you review my cart at gopower? I can't see how to save the cart as a wish list anymore to share so I created a .pdf of it. I think I have everything I need but wanted to get a second opinion. Also I can't get my hubs off the current setup so I included that in mine, I think they are the right ones? Thanks!

 

[Possom Point]

@Possom Point Can you review my cart at gopower? I can't see how to save the cart as a wish list anymore to share so I created a .pdf of it. I think I have everything I need but wanted to get a second opinion. Also I can't get my hubs off the current setup so I included that in mine, I think they are the right ones? Thanks!

I see you added the bearing and flange set , unless your flanges are bent or you want to put new ones on, you shouldn’t need those. The split sprocket you selected is a 41/420, you have a 40 chain in the kart( which I think that is fine, someone please reassure that). I’ll have to look at the hubs, they look right to me, because I was going to do that route as well. BUT. Spray some WD or PB blaster behind the wheel if you can get some in there, and use a dead blow hammer to hit the back side of the CURRENT hubs, obviously take the wheel off first though . Try and use the stock ones. They are pretty stout but mine was bent some. If they don’t move. Soak the hub and let it sit for a while. If your cart was left outside, well....Mother Nature stepped in. Rust. And more rust.

also with the brake pucks. I didn’t measure mine I reused them. Sanded both sides on a flat surface with 150 or 220 grit in a circular pattern. Along with brake pucks, do you need rotors? Mine were welded on and I didn’t want to cut them off and have to do a bunch of grinding.

 

[mellow]

Thanks, I saw in the thread that split socket was preferred over the whole one so I added it instead. I added the chain as a CYA as the chain I have is OK but you know how that goes, I was trying to throw everything but the kitchen sink in the cart so I don't have to do another order later.

I will try to get those hubs off again, the nut is about welded on, I have hit it with kroil,pb blaster, wd 40, and every word known to man but can't get it to move.

 

[Possom Point]

Thanks, I saw in the thread that split socket was preferred over the whole one so I added it instead. I added the chain as a CYA as the chain I have is OK but you know how that goes, I was trying to throw everything but the kitchen sink in the cart so I don't have to do another order later.

I will try to get those hubs off again, the nut is about welded on, I have hit it with kroil,pb blaster, wd 40, and every word known to man but can't get it to move.

Yes definitely get the double split like you have in the cart, I agree. I’ve made order before and forgot parts and had to pay separate shipping. Sucked.

so did your axle break? or did you drop the axle before taking the hub off?
I use KROIL if nothing else works, that’s my last resort. And generally have good success with it, being expensive that’s why it’s my last resort.

You will most likely have to make spacers like I did. Unless there is or was a method I missed when I did mine, but your most likely going to need them.

 

[mellow]

so did your axle break? or did you drop the axle before taking the hub off?

Axle cracked and I couldn't find anyone locally that would take on the challenge of welding it true, so it has been sitting.

 

[Possom Point]

Axle cracked and I couldn't find anyone locally that would take on the challenge of welding it true, so it has been sitting.

That looks like the brake rotor cracked..... I can’t zoom in enough but that doesn’t look like the axle.........

 

[madprofessor]

The split sprocket you selected is a 41/420, you have a 40 chain in the kart( which I think that is fine, someone please reassure that).

Here's a link to a simple chart that explains the differences in #40, #41, #420 chains. All are 1/2" chains with 5/16" rollers. The only difference that matters to me is that #40 chain's roller width (side plate to side plate) is 1/16" wider than the others, it will work on sprockets for any of the 3 sizes. The problem is with #40 sprockets themselves, if they're 1/16" wider than the others they could bind on the other chains. Folks seem to believe the sprockets don't vary in width, that it's just the chain itself, and I'm unsure. What I am definitely sure of is that if you have #40 chain you can't go wrong, no matter which # sprockets you have, so #40 chain used w/any # sprocket wins in my view.
Chain for Go Kart, Mini Bike | GoKarts USA®

 

[Possom Point]

Perfection!!!!! Thank you for explaining that for us!!!! I was unsure about that part

 

[mellow]

I just took a closer pic of the crack, I was told it could not be fixed easily so I was going the new axle route.

 

[Possom Point]

I just took a closer pic of the crack, I was told it could not be fixed easily so I was going the new axle route.

Much better!!! we may need some members chime in. Does this not look like the brake rotor?

I’ll get a pic of mine if I can and compare

 

[mellow]

The axle can’t hold weight and is out of true, the chain was popping off the sprocket with it like this so it must be structurally unsound. I couldn’t see how to fix it.

 

[Possom Point]

Axle pics
I was able to slide the brake rotor on the axle there is a small key holding the brake rotor on the axle. There are two small spacers that were welded to the axle to keep the brake rotor from moving past that point.

 

[Possom Point]

The axle can’t hold weight and is out of true, the chain was popping off the sprocket with it like this so it must be structurally unsound. I couldn’t see how to fix it.

Hmmm. This is hard to figure out on my end, not being there to physically see it.