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7-65
POWR
Power unit
Refacing the valve seat
After every lapping procedure, make sure
to clean off any remaining lapping com-
pound from the cylinder heads and the
valves.
1.
Reface the valve seat using the special
service tools.
2.
Cut the surface of the valve seat using a
45° cutter by turning the cutter clockwise
until the valve seat face has become
smooth.
NOTICE:
Do not over cut the
valve seat. To prevent chatter marks,
make sure to turn the cutter evenly
using a downward force of 40–50 N
(4.0–5.0 kgf, 8.8–11.0 lbf).
a
Slag or rough surface
3.
Adjust the top edge of the valve seat con-
tact width using a 30° cutter.
b
Previous contact width
4.
Adjust the bottom edge of the valve seat
contact width using a 60° cutter.
Valve seat contact width
a
:
Intake:
1.100–1.400 mm (0.0433–0.0551 in)
Exhaust:
1.400–1.700 mm (0.0551–0.0669 in)
Valve seat cutter holder: 90890-06316
Valve seat cutter:
30° (intake): 90890-06817
30° (exhaust): 90890-06326
45° (intake): 90890-06816
45° (exhaust): 90890-06325
60° (intake and exhaust): 90890-06324
30
45
60
45
a
30
b
Содержание F200B
Страница 1: ...F200B FL200B F250G FL250G SERVICE MANUAL 6DX 28197 5P 11 ...
Страница 4: ......
Страница 21: ...0 16 0 Tilt rod wrench 90890 06569 Special service tool ...
Страница 23: ...1 Lower unit counter rotation model 1 19 Bracket unit 1 19 PTT unit 1 20 General tightening torque 1 21 ...
Страница 207: ...5 78 5 MEMO PTT electrical system ...
Страница 211: ...6 2 6 k Fuel rail STBD m Fuel rail PORT n Joint 7 6 f e 4 c 3 9 8 n 1 2 b d m h g k g h g 5 a Hose routing ...
Страница 314: ...7 55 POWR Power unit 17 Check that the I marks m on the VCT assembly STBD and driven sprocket STBD are aligned STBD m ...
Страница 359: ...7 100 7 MEMO Cylinder block ...
Страница 386: ...LOWR Lower unit 8 23 2 Install the rubber seal 1 1 ...
Страница 407: ...8 44 8 Shim location F250G P F R T3 T1 T2 T4 Shimming regular rotation model ...
Страница 461: ...8 98 8 Shim location FL250G F R P T3 T4 T2 T1 Shimming counter rotation model ...
Страница 473: ...8 110 8 MEMO Shimming counter rotation model ...
Страница 541: ...10 Checking the top cowling 10 15 Checking the valve clearance 10 16 Checking the water pump 10 16 ...
Страница 566: ...A 1 MEMO ...
Страница 569: ......
Страница 570: ...Jul 2011 1 CR E ...