Teething issues with my rebuilt C15F continue.
I put a new rear chain on the bike, bought from Autocycle Engineering, 'New Old Stock genuine BSA'. I also put a new rear sprocket/brake drum on as the original had teeth chipped off. 'Bsa Sprocket And Brake Drum 40-6018 45 Tooth' from Vale Onslow. The brake drum mounting holes were inaccurately drilled - so I suspect it was made in the Far East I have done four rides of about forty miles each. After each ride I have found the rear chain loose and so have readjusted it. I have now used half of the available adjustment.
The chain has plenty of lubrication - the C15 chain oiler actually works as intended.
Does anyone have any ideas what is going on here? I have put new chains on other bikes and forgotten about them for several years... I guess I'm going to have to take the chain off to examine it and the sprocket which is a pita with the chainguard etc..
So, you've done a couple of hundred miles on a brand new chain in essence.
I'd say that was a nice , settling in mileage and it shouldn't move much more for a while.
Yes the oiler works well on mine also.
Just ride it and let it settle.
I assume you use the gears to save any loading and snatching
All new chains stretch in the first hundred miles.
I had a Mountain Bike and got it a new expensive 'understretched' chain. For the first few hours it would skip on the 11 and 12 tooth rear sprockets. It took 4 hours of riding in mud before it was the correct length. . . Number of links in 10 inches.