Segway SNARLER ATV 2021 Series - Cylinder Head Disassembly

ENGINE TOP END
ENGINE TOP END
3-5-22
F
F
G
G
H
H
I
I
J
J
K
K
L
L
L
L
M
M
N
N
Cylinder Head Disassembly
Cylinder Head Disassembly
!
WARNING
WARNING
Wear eye protection during cylinder head disassembly
and reassembly or when working with the valve springs.
IMPORTANT:
Keep mated parts together and in
order with respect to their location in the cylinder
head for assembly purposes. It is important to
install cylinder head components back in the same
location. Mark each component or place them in
an organized rack as you remove them.
◆
Remove the valve bucket
【
F
】
from the cylinder
head.
◆
Compress the valve spring by hand using valve
spring compressor adapter
【
G
】
.
◆
Push down on spring and remove split keepers
【
H
】
◆
Slowly release valve spring pressure and remove
the compressor adapter.
◆
Remove the valve retainer
【
I
】
, valve spring
【
J
】
,
valve stem seal
【
K
】
and valve spring seat
【
L
】
.
Discard the valve seal.
NOTE
NOTE
Replace valve seals whenever cylinder head is
disassembled. Hardened, cracked or worn seals will
cause excessive oil consumption.
◆
Lift up the cylinder head and push the valve [M] out,
keeping it in order for reassembly in the same valve
guide.
◆
Repeat the previous steps to remove the remaining
valves.
◆
Clean the combustion chamber and head gasket
surface.