3-30
1
2
3
4
5
6
7
8
9
10
ENGINE
VALVES
4.
Measure:
• Valve face contact width “a”
Make sure that the contact width along the entire
valve face is within specifications.
Out of specification/rough/eccentric wear
Replace.
5.
Measure:
• Valve seat contact width “a”
Make sure that the contact width along the entire
valve seat is within specifications.
Out of specification/rough/eccentric wear
Replace.
VALVE LAPPING
1.
Apply a coarse lapping compound evenly on the valve
face. Lap the valve by tapping and rotating the valve
lapper clockwise and counterclockwise.
2.
Clean off all of the lapping compound from the valve
face and valve seat. Apply fine lapping compound on
the valve face and lap the valve as described in step
1.
a
Valve face contact width (Intake):
0.9–1.1 mm (0.0354–0.0433 in)
Valve face contact width (Exhaust):
0.9–1.1 mm (0.0354–0.0433 in)
Limit (Intake):
1.6 mm (0.063 in)
Limit (Exhaust):
1.6 mm (0.063 in)
a
Valve seat contact width (Intake):
0.9–1.1 mm (0.0354–0.0433 in)
Valve seat contact width (Exhaust):
0.9–1.1 mm (0.0354–0.0433 in)
Limit (Intake):
1.6 mm (0.063 in)
Limit (Exhaust):
1.6 mm (0.063 in)
Summary of Contents for MX800V
Page 2: ...7UC F8197 E0_Hyoshi indd 3 4 2017 10 27 13 08 23 ...
Page 38: ...2 18 1 2 3 4 5 6 7 8 9 10 PERIODIC CHECKS AND ADJUSTMENTS PERIODIC MAINTENANCE MEMO ...
Page 94: ...3 56 1 2 3 4 5 6 7 8 9 10 ENGINE PISTONS CAMSHAFT CRANKCASE AND CRANKSHAFT MEMO ...
Page 103: ...4 9 1 2 3 4 5 6 7 8 9 10 FUEL INTAKE MANIFOLD MEMO ...
Page 106: ...5 3 1 2 3 4 5 6 7 8 9 10 ELECTRICAL ELECTRICAL COMPONENTS ELECTRICAL COMPONENTS 1 3 4 5 2 2 ...
Page 118: ...5 15 1 2 3 4 5 6 7 8 9 10 ELECTRICAL ELECTRIC STARTING SYSTEM MEMO ...
Page 140: ...7 14 1 2 3 4 5 6 7 8 9 10 SPECIFICATIONS WIRE ROUTING DIAGRAM ...
Page 142: ...7 16 1 2 3 4 5 6 7 8 9 10 SPECIFICATIONS WIRE ROUTING DIAGRAM LEFT SIDE VIEW ...
Page 144: ...7 18 1 2 3 4 5 6 7 8 9 10 SPECIFICATIONS WIRE ROUTING DIAGRAM RIGHT SIDE VIEW ...
Page 146: ...7 20 1 2 3 4 5 6 7 8 9 10 SPECIFICATIONS WIRE ROUTING DIAGRAM ...
Page 148: ...7 22 1 2 3 4 5 6 7 8 9 10 SPECIFICATIONS WIRE ROUTING DIAGRAM ...
Page 150: ...7 24 1 2 3 4 5 6 7 8 9 10 SPECIFICATIONS WIRE ROUTING DIAGRAM REAR SIDE VIEW ...
Page 152: ...7 26 1 2 3 4 5 6 7 8 9 10 SPECIFICATIONS WIRE ROUTING DIAGRAM ...
Page 156: ...MEMO ...
Page 157: ...7UC F8197 E0_Hyoshi indd 3 4 2017 10 27 13 08 23 ...