DT100G Chain Question RSVP

[Santaaa]

I have a 1980 Yamaha DT100G. The chain that I had for it is bent probably when it popped off due to the old rear sprocket breaking. I want to know 2 things. Should I try to bend the chain back? If not are chains made for specific bikes or are they pretty generic? If I sound stupid asking these questions this is my first dirt bike and I do not know very much about what you can fix and what you have to replace. I figured I would ask to keep anything else on my bike for breaking.

 

[Patman]

The chain is "generic". You just need to know the size and number of links to order a new one. You will need a 428 size chain with 118 links, don't forget the new master link as well. No use using the old sprockets either, replace BOTH of them not just the broken one..

 

[Jaybird]

My information tells me that the '80 DT100 uses a #420 chain and sprockets.

Chain #420-(102 links if using stock sprockets)
Stock sprockets are 14/45

Most chains are provided with the initial master link.

 

[Patman]

Ah, my bad the 428/108 is for a 125 not a 100. Leave it to the chain master to catch that. The "new master" was a trick I've started to use to get people to have a spare, too many times has my spare ended up on somebody elses chain. :)

 

[dklink2000]

Here is one I can never remember that might help newbes out. Do you count the master link in the size? i.e if the chain is a 102 link chain....is that with or without the master link?

 

[VintageDirt]

If you count rollers the master link isn't in the equation. Que no¿

 

[Jaybird]

You are absoulutely correctomundo, Mr. V!
First and last reels ARE the master connections.

I agree with Pat...a person would be ahead of the game to buy an extra master link with their chain.

 

[VintageDirt]

I always buy two master links, that way when I cut the chain too short I can scab it back to the correct length. :)