3-48
1
2
3
4
5
6
7
8
9
10
ENGINE
PISTONS, CAMSHAFT, CRANKCASE, AND CRANKSHAFT
CHECKING THE CRANKCASE
1.
Check:
• Crankcase
Damage
Replace.
• Bearing
Noise/wear/rotational failure
Replace.
CHECKING THE PISTON PINS
The following procedure applies to all of the piston pins.
1.
Check:
• Piston pin
Blue discoloration/grooves
Replace the piston
pin and then check the lubrication system.
2.
Measure:
• Piston pin hole inside diameter “a”
Out of specifications
Replace.
3.
Measure:
• Piston pin diameter “a”
Out of specification
Replace.
4.
Check:
• Check that the piston pin enters smoothly into the
piston pin hole.
TIP
If the piston pin fits too tight into the piston, check the pis-
ton pin hole. If there is any protrusion, use a knife or
scraper to gently remove it so that piston pin can be
pushed in smoothly with your fingers.
CHECKING THE PISTON RINGS
The following procedure applies to all of the piston rings.
a
Piston pin hole inside diameter:
19.004–19.015 mm (0.7482–0.7486 in)
Limit:
19.045 mm (0.7498 in)
a
Piston pin diameter:
18.995–19.000 mm (0.7478–0.7480 in)
Limit:
18.975 mm (0.7470 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 ...