Topic: What thread kickstarter?

[Deltarider]

Before I do irreparable harm, what's the thread of the indicated part (bottom and nut) of the kickstarter on my CB500? Metric?

[Erny]

Did you measure its diam?

[Deltarider]

I think it is 10mm. If you zoom in on the pic, you'll see the thread at the bottom is a bit already damaged. I wonder why that is, as the nut is the original. What are my options?

[754]

Measure it .. you do have av10 mm wrench , don't you.
Then pull out say a handlebar bolt , or other and compare the pitch..

[Deltarider]

What I am interested in to know is: is it a special thread? ID is 10mm. I have two kickstarters arms lying around. Both have a problem with a regular 10mm nut, let alone the original one shown in the pic. What happened? Now all threads are bad: both kicker arms, the original nut and even the regular nut I've tried very prudently is suspect. I try to figure out where it began.

[Erny]

Delta, it is M10 then. Standard pitch is 1.5, based on picture it is fine pitch either 1.25 or 1mm.
If you don't have tool to measure thread pitch, go to nearest shop, buy 2 M10 nuts one 1.25 and one 1.00 pitch.

Explanation here : https://en.m.wikipedia.org/wiki/ISO_metric_screw_thread

Or, somebody who knows by heart

Warning - od course if you try to install regular nut on bolt with fine pitch, you will destroy thread! Very common issue on machines having some fine threads...

You can repair it using proper thread tool (don't know english term of it, we call it "thread eye") or using thread file

[754]

Some nuts are made to be only used once.. this IS not an item normally taken apart..

[scottly]

You can repair it using proper thread tool (don't know english term of it, we call it "thread eye") or using thread file

That is called a "die" here, and the male counterpart is a "tap".

[Deltarider]

Peculiar the parts list (@ kick starter) doesn't specify this particular nut, where it does even its little steel ball, spring and you name it.

[scottly]

That may be a type of self-locking nut: it appears to have a square area where it has been compressed, distorting the threads at that end.

[Deltarider]

Have a look at the pic below if you like. There is special washer that fits the bottom end of the arm which itself is shaped like a rectangular.

[robvangulik]

Screw it on with a dab of red Loctite, and it will never come loose again!

[754]

If it's a special  locknut, you wont see it from that side of nut.

[PeWe]

Thread pitch gauge blade tool is a useful tool to have before using wrong thread taps or dies.

https://www.ebay.co.uk/itm/283576244625

[XC204]

As I remember when I tore my kick started lever apart the threaded portion was peened. I just ran a die of the correct size on it as far as I could get it to go then a little needle file work to get the nut on. But I don't remember the size I could measure pitch and size if you want

[Deltarider]

What does 'peened' mean. I am not a native speaker and Google Translate doesn't help here.

[trigger]

It is damaged because you put a new nut on and punch the end to spread it, that is why it is hollow 

[Deltarider]

It is damaged because you put a new nut on and punch the end to spread it, that is why it is hollow 

Never put a 'new' nut on, i just got the old one of. That's why I want to know what caused it. But maybe you can inform us about the thread. I mean like: normal or special?

[ekpent]

Peened would mean maybe in this case that the end was mushroomed a little. ??

[trigger]

It is damaged because you put a new nut on and punch the end to spread it, that is why it is hollow 

Never put a 'new' nut on, i just got the old one of. That's why I want to know what caused it. But maybe you can inform us about the thread. I mean like: normal or special?

I have just looked on Honda4fun and can't find that thread size anywhere. Not sure if it is different for a DK, E, SP, A or for any other country. Plus, go buy yourself a a thread gauge as i can not be bothered to get mine out my tool box and go out to the cold outside workshop to measure one for you

[Deltarider]

I have just looked on Honda4fun and can't find that thread size anywhere. Not sure if it is different for a DK, E, SP, A or for any other country.

Yeah, Honda4Fun is great, isn't it. That's where I looked first myself. I even shared what I have got with them. Now, this may sound strange but... somehow I have the feeling that when you direct people to where they can find information themselves, this doesn't make you popular with those in the trade. Somebody in UK - forgot who it was - even went so far to suggest that I owned Honda4fun or work on a commission from them. I can assure anyone: Honda4Fun is non profit and so am I. I just like to share.

Plus, go buy yourself a a thread gauge as i can not be bothered to get mine out my tool box and go out to the cold outside workshop to measure one for you

With all respect, Sir, i don't take orders. Also I certainly didn't ask you to go out to the workshop. It just could have been that somebody, 'that has had so many parts going through his hands', would know. It could have been. But thanks for replying anyway.

[754]

Alright then , we get it.. you don't want to help yourself..
 Well guess what , some of us won't bother helping certain people anymore.. thanks for making it clear..

[Deltarider]

Alright then , we get it.. you don't want to help yourself..
 Well guess what , some of us won't bother helping certain people anymore.. thanks for making it clear..

And you say this after the last post I replied to? Maybe you should read it again. Look, my question was very simple. Here it is again:

Before I do irreparable harm, what's the thread of the indicated part (bottom and nut) of the kickstarter on my CB500? Metric?

That's it, nothing more, nothing less. I have posted my question after I had already been to the best hardware store in town. They took time for me, tried with a gauge to determine the thread and they just weren't sure. Mind you, this is the kind of store that sells all odd sizes you can imagine. It's also the shop where pro's like garagists go to, when they need something special. Everybody in the field agrees: if they don't have it, nobody has it. Now, what happened to my kicker arm is strange. Maybe that bottom part became bent and so stretched the thread, who knows. I thought my best chance would be to refresh the thread. A friend has a taps and dies set for that. But... before I do anything, I'd like to know what the original thread is. To me such knowledge seems a good starting point. How about you?
If nobody here knows, OK, nobody here knows, no big deal.

[bryanj]

If Trigger doesnt know off the top of his head with the number of 750 motors he has rebuilt nobody knows, he is the same as me and gets pissed off with people asking question again after being given good advice and expecting every andwer to be perfectly correct and served up immediately

[Deltarider]

I got lots of good advice. Just not from Trigger, who's only been sarcastic. Again. I have asked a very simple question. If nobody here knows, OK, nobody here knows, no big deal. Nothing to get nervous about.