Yamaha YBR 125 restoration- PART 1

I will show you how to restorate engine from Yamaha YBR 125 2005.
In PART 1 I well show you how to REMOVE THE CYLINDER HEAD AND CYLINDER.I will also show you how to CHECK PARTS: rocker arm shaft, rocker arm, camshaft, valve spring, valve guide, valves, valve seats, piston, piston rings, piston pin and cylinder.
---TABLE OF CONTENTS---
0:00 I well show you how to restorate engine from Yamaha YBR 125 2005
1:18 Engine in TDC
2:53 Removing cylinder head
3:38 Removeing rocker arm shaft
5:57 Checking camshaft
7:29 Bearing change
8:18 Cheking rocker arm shaft
9:06 Cheking rocker arm
11:01 Calve sealing check
11:22 Removeing valves
15:45 Checking valve spring
16:31 Checking valve guide
17:20 Checking valve
18:07 Checking valve stem runout
19:13 Checking valve seats
22:44 Removing cylinder
23:33 Removing piston
24:40 Removing piston rings
26:18 Checking piston
27:21 Checking cylinder
31:50 Checking piston rings
34:23 Checking piston pin