grinding “valve seats” WITHOUT expensive tools
15:07
Do Your Own 3-Angle Valve Seats!
4:13
FOLDING “towels” into “animals” (similar to origami)
27:01
How to do a True 3 Angle Valve Job SUPER CHEAP Using Neway Tools (as good as any pro machine shop!)
14:57
Cylinder Head 105 - Valve Job Basics
11:36
How-To: Lap Valves (by hand and drill method explained)
20:21
My thoughts on valve lapping
20:00
Modification and replacement of the beryllium valve seat - Honda CRF 250
20:05