ENGINE
CS-2510TES
250Ts, 250TCs
59
A
8-4 Testing crankcase and cylinder sealings
1. Remove air cleaner cover, air fi lter and carbure-
tor from the unit (Refer to “4-8 Testing carburetor” ).
2. There are two ways to seal intake port and
crankcase pulse passage. Choose convenient one
from followings.
Way1 : Install pressure plate 897827-16131 (A)
and tighten M5 bolts (B) of 8-10 mm (0.3-0.4 in)
length.
Way2 : Install pressure rubber plug 897826-16131
(C) and carburetor (D) and tighten original bolts (E)
for carburetor.
3. To seal exhaust port of cylinder, cut pressure
rubber plug 91041 (F) off as shown.
4. Remove exhaust plate and muffl er (G) with ex-
haust gasket (H) (Refer to “8-3 Inspecting muffl er
and exhaust port” ).
5. Set pressure rubber plug (F) to muffl er (G) with
exhaust gasket (H) as shown.
NOTE
: Make sure to cover exhaust port (g) of
muffl er with pressure rubber plug (F).
6. Gently tighten muffl er bolts (J1 and J2) until the
muffler (G) and pressure rubber plug (F) fit with
cylinder. Then turn muffl er bolts (J1) 180 degrees
clockwise.
NOTE
: Do not install exhaust plate. Do not tighten
muffl er (G) and pressure rubber plug (F) fully, or
muffl er (G) may be deformed.
44mm
17mm
B
C
E
D
F
F
G
H
J1
g
J2
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