Crankshaft; Bearings And Oil Seals; Valve - Yamaha TTR250L Service Manual

ENGINE DISASSEMBLY
3.Remove:
Balancer shaft 1
Main axle shaft 2
Drive axle shaft 3

CRANKSHAFT

1.Remove:
Crankshaft assembly 1
Use the crankcase separating tool 2.
Crankcase separating tool:
P/N. YU-01135-A
NOTE:
Tighten the tool holding bolts, but make
sure that the tool body is vertical with the
crankshaft. If necessary, one screw may be
backed out slightly to level tool body.

BEARINGS AND OIL SEALS

1.Remove:
Oil seals
Bearings

VALVE

NOTE:
Before removing the internal parts (valve,
valve spring, valve seat etc.) of the cylinder
head, the valve sealing should be checked.
1.Remove:
Lifters 1
Pads
NOTE:
Identify each lifter and pad position very
carefully so that it can be reinstalled in its
original place.
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ENG