o ring question

[Kurt Simpson]

> The topic of drilling out the Throttle lift hole (in the slide) has been > discussed before. However, in the old archives, I could not find the > drill bit size mentioned any where. What is the size of the bit which > is supplied in the Dynojet kit. I'd like a more responsive throttle. I > don't need to rejet. I just need to keep my K&N air filter clean.

Hi Jeff, it is a #30... Kurt

[Juan Carlos Ibarra]

Hi, Why are o ring chains better than the others? My brother gave me Krause chain that looks quite well made, but it has no o rings. Thanks Saludos Juan