1D-34 Engine Mechanical:
Piston Pin and Pin Bore
Using a small bore gauge, measure the piston pin bore
inside diameter, using the micrometer, measure the
piston pin outside diameter. If the reading exceeds
following limit, replace both piston and piston pin.
Special tool
: 09900–20602 (Dial gauge (1/1000 mm, 1 mm))
: 09900–22403 (Small bore gauge (18 – 35 mm))
Piston pin bore I.D.
Service limit: 20.030 mm (0.7886 in)
Using the micrometer, measure the piston pin outside
diameter at three positions.
Special tool
: 09900–20205 (Micrometer (0 – 25 mm))
Piston pin O.D.
Service limit: 19.980 mm (0.7866 in)
Engine Bottom Side Disassembly
B827H11406033
LT-A400/F
NOTE
The crankcase must be separated to service
the crankshaft and conrod.
1) Remove the engine assembly from the frame. Refer
to “Engine Assembly Removal (Page 1D-6)”.
2) Remove the engine top side. Refer to “Engine Top
Side Disassembly (Page 1D-10)”.
Starter Motor
1) Remove the starter motor (1).
Starter Cup
1) Remove the starter cup nut with a suitable bar.
2) Remove the starter cup (1).
Speedometer Gearbox
Remove the speedometer gearbox (1) and gasket (2).
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