Originally Posted by fredgoh
Hi Killjoy,
Thanks for your reply.
At my place, its difficult to find Sirio Plug. But we have OS or Nova plug.
So I have no choice but to use either one of it.
Any idea?
thanks.
I always used Novarossi plugs with my engine without a problem. The plugs are a little long and you can't screw the threads all the way in but the bottom of the button is sealed and that's what matters.
I don't know about O.S. plugs, i never tried them.