POWR
Power unit
5-37
69J1D11
2.
Cut the surface of the valve seat with a
45° cutter by turning the cutter clockwise
until the valve seat face has become
smooth.
a
Slag or rough surface
CAUTION:
Do not over cut the valve seat. Be sure to
turn the cutter evenly downward at a pres-
sure of 40–50 N (4–5 kgf, 8.8–11 lbf) to
prevent chatter marks.
3.
Use a 30° cutter to adjust the contact
width of the top edge of the valve seat.
b
Previous contact width
4.
Use a 60° cutter to adjust the contact
width of the bottom edge of the valve
seat.
b
Previous contact width
5.
Use a 45° cutter to adjust the contact
width of the valve seat to specification.
b
Previous contact width
c
Specified contact width
6.
If the valve seat contact area is too wide
and situated in the center of the valve
face, use a 30° cutter to cut the top edge
of the valve seat, a 60° cutter to cut the
bottom edge to center the area and set
its width.
b
Previous contact width
7.
If the valve seat contact area is too nar-
row and situated near the top edge of the
valve face, use a 30° cutter to cut the top
edge of the valve seat. If necessary, use
a 45° cutter to center the area and set its
width.
S69J5855
È
S69J5880
30
°
S69J5890
60
°
S69J5900
45
°
Summary of Contents for F200C
Page 1: ...F200C LF200C F225C LF225C SERVICE MANUAL 69J 28197 1F 11 LIT 18616 02 76 LIT186160276 ...
Page 47: ...69J1D11 2 10 1 2 3 4 5 6 7 8 9 MEMO Maintenance specifications ...
Page 80: ...FUEL Fuel system 4 3 69J1D11 Intake silencer fuel filter and fuel pump 4 ...
Page 82: ...FUEL Fuel system 4 5 69J1D11 Vapor separator 4 ...
Page 86: ...FUEL Fuel system 4 9 69J1D11 Intake manifold and high pressure fuel line 4 ...
Page 88: ...FUEL Fuel system 4 11 69J1D11 ...
Page 90: ...FUEL Fuel system 4 13 69J1D11 Throttle control 4 ...
Page 101: ...69J1D11 5 2 1 2 3 4 5 6 7 8 9 Piston ring compressor YM 08037 Special service tools ...
Page 102: ...POWR Power unit 5 3 69J1D11 Power unit 5 ...
Page 104: ...POWR Power unit 5 5 69J1D11 ...
Page 106: ...POWR Power unit 5 7 69J1D11 ...
Page 110: ...POWR Power unit 5 11 69J1D11 ...
Page 128: ...POWR Power unit 5 29 69J1D11 Cylinder head 5 ...
Page 130: ...POWR Power unit 5 31 69J1D11 ...
Page 142: ...POWR Power unit 5 43 69J1D11 Cylinder block 5 ...
Page 144: ...POWR Power unit 5 45 69J1D11 ...
Page 172: ...LOWR Lower unit 6 9 69J1D11 Propeller shaft housing regular rotation model 6 ...
Page 178: ...LOWR Lower unit 6 15 69J1D11 Drive shaft and lower case regular rotation model 6 ...
Page 194: ...LOWR Lower unit 6 31 69J1D11 ...
Page 198: ...LOWR Lower unit 6 35 69J1D11 Propeller shaft housing counter rotation model 6 ...
Page 204: ...LOWR Lower unit 6 41 69J1D11 Drive shaft and lower case counter rotation model 6 ...
Page 223: ...69J1D11 7 2 1 2 3 4 5 6 7 8 9 MEMO Special service tools ...
Page 224: ...BRKT Bracket unit 7 3 69J1D11 Bottom cowling 7 ...
Page 226: ...BRKT Bracket unit 7 5 69J1D11 ...
Page 228: ...BRKT Bracket unit 7 7 69J1D11 Upper case steering arm swivel bracket and clamp brackets 7 ...
Page 230: ...BRKT Bracket unit 7 9 69J1D11 ...
Page 232: ...BRKT Bracket unit 7 11 69J1D11 ...
Page 242: ...BRKT Bracket unit 7 21 69J1D11 Power trim and tilt unit 7 ...
Page 244: ...BRKT Bracket unit 7 23 69J1D11 ...
Page 246: ...BRKT Bracket unit 7 25 69J1D11 ...
Page 288: ...ELEC Electrical systems 8 21 69J1D11 Starter motor 8 ...
Page 321: ...YAMAHA MOTOR CORPORATION USA Printed in USA Sep 2003 0 0 1 CR E ...