head

[1983yz80]

I have a 1983 yz80 and just started having a knocking sound in the head, just wondering what you guys think it could be? Any help would be great thx.

 

[Michelle]

When's the last time you did a top end? (i.e. piston & rings)
It could be piston slap.

 

[1983yz80]

hey ya never even thought of that thx

 

[Dogman5]

Theres your problem ;)