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3-44 ENGINE
PISTON PIN AND PIN BORE
Measure the piston pin bore diameter using the small bore
gauge. If the measurement is out of specifications replace the
piston.
&
Piston pin bore I.D.:
Service Limit: 20.030 mm (0.7885 in)
%
09900-20602: Dial gauge (1/1000 mm, 1 mm)
09900-22403: Small bore gauge (18 – 35 mm)
Measure the piston pin outside diameter at three positions using
the micrometer. If any of the measurements are out of specifica-
tion, replace the piston pin.
&
Piston pin O.D.:
Service Limit: 18.980 mm (0.7472 in)
%
09900-20205: Micrometer (0 – 25 mm)
PISTON-RING-TO-GROOVE CLEARANCE
Measure the side clearances of the 1st and 2nd piston rings
using the thickness gauge. If any of the clearances exceeds the
limit, replace both the piston and piston rings.
&
Piston-ring-to-groove clearance
Service Limit:
1st: 0.180 mm (0.007 in)
2nd: 0.150 mm (0.006 in)
&
Piston ring groove width
Standard:
1st: 1.21 – 1.23 mm (0.0476 – 0.0484 in)
2nd: 1.01 – 1.03 mm (0.0397 – 0.0405 in)
Oil: 2.51 – 2.53 mm (0.0988 – 0.0996 in)
&
Piston ring thickness
Standard:
1st: 1.17 – 1.19 mm (0.0460 – 0.0468 in)
2nd: 0.97 – 0.99 mm (0.0381 – 0.0389 in)
%
09900-20803: Thickness gauge
09900-20205: Micrometer (0 – 25 mm)
Summary of Contents for LT-A450X
Page 2: ...SUPPLEMENTS LT A450XK9 09 MODEL LT A450XK8 12 13 WIRING DIAGRAM 14 ...
Page 47: ...PERIODIC MAINTENANCE 2 29 ...
Page 48: ...2 30 PERIODIC MAINTENANCE ...
Page 63: ...ENGINE 3 7 Remove the engine mounting nuts Remove the engine from the right side ...
Page 215: ......
Page 315: ...7 24 COOLING AND LUBRICATION SYSTEM ENGINE LUBRICATION SYSTEM To cylinder head OIL PUMP ...
Page 316: ...COOLING AND LUBRICATION SYSTEM 7 25 EXHAUST SIDE INTAKE SIDE ...
Page 317: ......
Page 332: ...8 14 CHASSIS REAR CARRIER Remove the rear carrier REAR BOX Remove the rear box 1 ...
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Page 452: ...9 34 ELECTRICAL SYSTEM HEADLIGHT INSTALLATION Head light coupler Head light R Adjusting point ...
Page 484: ...10 26 SERVICING INFORMATION Rear box Rear fender Right mud guard Left mud guard ...
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