H50 valve clearance

[Joe51]

What should the stem dia. to guide clearance be for both int and ex valves?
I want to make sure I am reading the Tec manual correctly.
Thanks in advance.

 

[125ccCrazy]

whats your manual say?

seems to me its around .001 on the intake and around .0015 to .002 on the exhaust....

someone correct me if I'm wrong..

 

[Joe51]

Thanks for the reply, I bought a NOS 1/32" oversize ex. valve. The stem measures .340. The manual shows the oversize valve guide dimension like this

.3432
.3442.

So if I read it correctly it's telling me this is my range. Which gives me between .0032 and .0042 clearance.

Just want to be sure. It's a steel sleeved block and I don't want to ruin it out of the gate. A local speed shop is going to give it a .020 overbore. And do the valve seat work etc.

Thanks

 

[mc73cromags]

Nice work, the h50 is a great engine. Good luck with it.

 

[125ccCrazy]

sounds like your in the ball park... a little looser than I thought...