Checking The Crankshaft Run-Out On The Bearing Pin; Removing The Water Pump - KTM 50 SX 2010 Repair Manual

30/ENGINE - WORK ON INDIVIDUAL PARTS

Checking the crankshaft run-out on the bearing pin

16.4

Removing the water pump

16.5
–
Position the second crank web.
–
Position special tool
–
Press the upper crank web all the way in.
Info
The press mandrel must be applied above the crank pin.
–
Take the crank web out of the special tool and check that the connecting rod can
move freely.
300843-10
–
Measure axial clearance
cial tool.
Feeler gauge (59029041100) (
Connecting rod - axial clearance of
lower conrod bearing
» If the specifications are not met:
–
Correct the axial clearance to the specified value.
–
Check the crankshaft run-out on the bearing pin. (
300844-10
–
Position the crankshaft on a roller block.
–
Turn the crankshaft slowly.
–
Check the crankshaft run-out on both bearing pins.
Crankshaft - run-out on bearing pin
» If the crankshaft run-out on the bearing pin is larger than the specification:
–
Align the crankshaft.
300846-10
–
Remove water pump drive gear
300507-10
–
Hold water pump shaft
–
Take off the water pump impeller.
Info
If the water pump impeller cannot be removed, the water pump shaft can be
pressed out toward the inside.
–
Remove water pump shaft
300508-10
with the offset facing down.

between the stop disk and the crank webs with the spe-

p. 146)
0.40... 0.75 mm (0.0157...
0.0295 in)
≤ 0.10 mm (≤ 0.0039 in)
.

in place and remove screw

.

78
p. 78)
.
