TOPIC:

There's been a few people that have had that outboard bearing failure on here, usually happens on the shaft drive bikes more often.

If that's just the inner race that's broken you shouldn't have too much worry, what makes you believe 2nd gear needs attention? Outside of a back cut if you're paranoid of blowing one, a streetbike shouldn't need any attention or mods to the trans

It was abuse, as simple as that, there were no issues with the bike, only issue was the rider
I don't think it will leak (ya right!) the damage really does look worse in pics than real life.
And i am purely speculating on 2nd gear it looks ok but there is some damage on the washer and from inspecting it without taking it apart the bushing it rides on looks like the edge is a bit scared. I hope its just the bearing and the washer.

I have never staked a bearing, so if I do I just dimple the lower case where the bearing rides in a couple spots??

You many not have to rebuild it. Pics of the dogs and gears? I did three just enough to raise the surface a little in those places. They should flatten out when compressed.
Steve

robinson is who does ape racings transmissions(or used to)
ape jay told me robinson was the best in the biz.
fwiw,
leon

swest wrote: You many not have to rebuild it. Pics of the dogs and gears? I did three just enough to raise the surface a little in those places. They should flatten out when compressed.
Steve

I will take some, they look good the tranny looks ok except for the bearing.
BUT I don't want problems later and seeing I got the bike for free sticking a few hundred into it seems ok to me. And undercutting my Suzuki tranny made a good difference it shifts nice and easy up or down,
The H2 I have you CANNOT get it into neutral unless its rolling but that is a strange beast anyway but it shifts really well with the undercut also.

Made a video, I don't know a lot about transmissions, this one looks good, no broken teeth engagement cogs look good ... except :

yeah,
that will be a problem.
i have broken a bearing like that on my 80 z1r.but thats the first time i seen one of those gears do that.

leon

Output shaft may be damaged, kz transmission comes apart with a few snap rings, may be cheaper and easier to buy a good used output cluster. Make sure to get a 1980 chain drive output cluster, the gear widths on earlier trans gears are slightly different.

If you get a replacement output shaft you'll want to get it taken apart and at a bare minimum get the 2/5 gears checked to make sure the slots and dogs are fine, get them back-cut if you want.

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No eBay APP ID and/or Cert ID defined in Kunena configurationYeah looks like the output shaft is toast. Chances are metal got into other places as well. Might be better to get a used one put it in or have them go through it.
Steve

You guys are ruining my day!
I was hoping it was just a bearing , then I thought maybe the gear… I know it not good.
I am going to send it in

No eBay APP ID and/or Cert ID defined in Kunena configurationIf it were me, I'd send in a working tranny not a damaged one. I got a low mile KZ 900 tranny, back cut it myself and it has over 20,000 miles on it now. I like this one. 17,000 miles? It's barely broken in.
Steve

Also I like having spare parts.
Steve