What size axle do I need?

[Cruz1919]

I have this frame I’m using to turn into a cooler kart. It had a live 38in axle running through it. Would I just use a 38 again and run the same drum style brake? Forgot to take before pictures. The one with the engine is how it was set up

 

[Denny]

Just use your old axle and parts.

 

[Cruz1919]

one side of the axle had a chunk out of it. And the hubs were broken. Last owner tried taking it off with a hammer. Only good part still is the sprocket.

 

[G.W]

one side of the axle had a chunk out of it. And the hubs were broken. Last owner tried taking it off with a hammer. Only good part still is the sprocket.

It should be a 1 inch diameter axle then. Order a new 38" x 1" axle. Make sure there are keyways where you need them

 

[pearl111]

I'm probably wrong, but I think that kart looks like it might of had a....3/4"-axle.
Reason being I have a Carter Brothers kart and the rear end axle area looks similar, and it has a ...3/4" axle.
Like I said I might be wrong.
If it were me I would use a 1" axle.

 

[Cruz1919]

It should be a 1 inch diameter axle then. Order a new 38" x 1" axle. Make sure there are keyways where you need

I'm probably wrong, but I think that kart looks like it might of had a....3/4"-axle.
Reason being I have a Carter Brothers kart and the rear end axle area looks similar, and it has a ...3/4" axle.
Like I said I might be wrong.
If it were me I would use a 1" axle.

I measure it. It is 3/4. Is there any place that sells kits for 3/4 axle? Can’t seem to find anything online. Probably just have to buy parts separate?

 

[BaconBitRacing]

I measure it. It is 3/4. Is there any place that sells kits for 3/4 axle? Can’t seem to find anything online. Probably just have to buy parts separate?

Check the usual suspects, OMB warehouse, go power sports, BMI karts.

 

[pearl111]

I measure it. It is 3/4. Is there any place that sells kits for 3/4 axle? Can’t seem to find anything online. Probably just have to buy parts separate?

There is I'll get back with you with some websites.l know of other websites not mentioned here.

 

[G.W]

If all else fails, tractor supply stores might carry 3/4 shafts you would need to cut to length

 

[pearl111]

There is I'll get back with you with some websites.l know of other websites not mentioned here.

RCF-Micromini bikes....AZUSA-Parts....OMB-Warehouse....MFG-Supply....BMI-Karts&Parts They all sell the 3/4" kits and, or axles, and or bearings and such.
I got the bearings that fit that go-kart frame from BMI-parts. I.D. 3/4, you'll have to measure the outside dia. cause I forget. Anyway if you do so researching you should find what your looking for.
Also they should all have the same thing in a .... 1" dia.

 

[Cruz1919]

It should be a 1 inch diameter axle then. Order a new 38" x 1" axle. Make sure there are keyways where you need them

would a 40 5/8 be too much difference?

 

[G.W]

would a 40 5/8 be too much difference?

Measure the width between your axle hangars. You don't want to have it too far out especially with a small diameter axle, weight can bend it.

 

[Cruz1919]

end to end is 30"

 

[G.W]

end to end is 30"

What is the width between the bearing?

 

[Cruz1919]

Here? 30”

 

[G.W]

View attachment 139111
Here? 30”

Yes

 

[Bansil]

kool waiting on pictures of progress

 

[Cruz1919]

Definitely will post when I get a lot done. Been working a lot of OT

 

[Cruz1919]

I have this frame I’m using to turn into a cooler kart. It had a live 38in axle running through it. Would I just use a 38 again and run the same drum style brake? Forgot to take before pictures. The one with the engine is how it was set upView attachment 138988

Will post update pictures soon.
Can use bearing flange for a 5/8 spindle and a 3/4 wheel hub? Or am I better off just getting exact fit?
didn’t realize I bought 5/8 spindle and 3/4 hub

 

[Karttekk]

I'm probably wrong, but I think that kart looks like it might of had a....3/4"-axle.
Reason being I have a Carter Brothers kart and the rear end axle area looks similar, and it has a ...3/4" axle.
Like I said I might be wrong.
If it were me I would use a 1" axle.

I think you're correct, Pearl. It looks like he'll need a 38-1/4" x 3/4" axle. Check #27 in the parts breakdown illustration.

https://www.bmikarts.com/PDF/Carter-Bros/1135.pdf