Originally Posted by Creative Engineering
Yes it does...The engine sprocket is not formed correctly! It has nothing to do with 410 chain or 415 chain.
The new kits with "so called" 410 chain really aren't! It is actually a bastard size that they are making for the kits.
415 measures 3/16", (.187") between the chain plates...410 heavy duty measures 1/8", (.125), between the plates.
The bastard measures .155 between the plates.
So they're just putting these smaller chains into these new kits without any changes to the sprocket?