Honda ATV Forum banner

bore help!

1627 Views 4 Replies 4 Participants Last post by  69quadracer
I'm trying to figure out 400ex bore info.

If I have a 400ex and bore it from the stock 85mm to 86mm.
is that considered a 416 bore?

and if i have it bored to 87mm.
is that considered 426 bore?
1 - 1 of 5 Posts
That sounds about right.
1 - 1 of 5 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top