7. CYLINDER HEAD/VALVES
7-10
MXU 300/250
CYLINDER HEAD
REMOVE
Remove the camshaft (page 7-4).
Remove the carburetor. (Refer to the
“carburetor remove” section in the chapter
5)
Remove the exhaust muffler (page 2-11).
Remove the two bolts and then remove the
carburetor intake manifold.
Remove the bolt and disconnect the
thermostat.
Remove the two cylinder head bolts.
Remove the cylinder head.
CYLINDER HEAD DISASSEMBLY
Remove the valve spring cotters, retainers,
springs, spring seats, oil seals and valves
using a valve spring compressor.
Special tool:
Valve Spring Compressor E040
Bolts
Intake Manifold
Bolt
Bolt
Bolts
Valve Cotter
Retaine
s Springs Seat
Oil Seal
Valve
Spring Compressor
• Be sure to compress the valve springs
with a valve spring compressor.
• Mark all disassembled parts to ensure
correct reassembly.
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