[crf100rider21]

my chain will randomly tighten and loosen by itself all the time like i will go down the rode to a lake bottem we ride at and it will be very tight so in fear of breaking my chain again i go home to loosen it but when i get there it is now looser than at the lake does anyone know why this is happening

[oldtimer]

Something is not tight enough for it to be changing on you. Are you sure your getting enough torque on everything after your adjustment? Are you using a torque wrench?

[crf100rider21]

i am not using a torq wrench but it feels fine to me i just don't wanna break the chain

[PGer555]

thats a common xr100/crf problem. its those cheap chain adjusters. You either have to take a wrench with you when your riding or deal with it till you get back. those things break very easily too

[crf100rider21]

any way to fix this problem it has already coused 2 chains to break and alot of pushing the bike home
at first i thout my sprocket was bad but i changed them and it still happens

[jnkduvall]

when your done putting the proper slack (1-2 in. of play) on the chain----PUT THE COALS TO THE AXLE NUT---IT'S SLIPPIN.