Sea-doo GTX Limited iS 255 2009, Shop Manual

Page: 161 / 555

Section 02 ENGINE
Subsection 10 (CYLINDER HEAD)
1
R1503motr95A
1
1. Position lines
NOTICE
Ensure to remove locking tools
when finished.
Install all other removed parts.
CAMSHAFT
Camshaft Locking Procedure
1. Remove
CYLINDER HEAD COVER
, see proce-
dure in this subsection.
2. Lock crankshaft, refer to procedure in
CYLIN-
DER BLOCK
subsection.
3. Lock camshaft using the
CAMSHAFT LOCKING
TOOL (P/N 529 035 839)
.
529035839
4. Make sure the position lines on oil separator
cover are lined up as shown in the following il-
lustration.
smr2009-025-007_a
1. Camshaft locking tool
2. Position lines
Camshaft Removal
Remove the
CAMSHAFT TIMING GEAR
, see pro-
cedure in this subsection.
Remove the ROCKER ARM , see procedure in this
subsection.
Remove the camshaft lock to remove the
camshaft.
1
2
R1503motr101A
1. Camshaft lock
2. Camshaft
Camshaft Inspection
Check each lobe and bearing journal of camshaft
for scoring, scuffing, cracks or other signs of wear.
Measure camshaft bearing journal and lobe height
using a micrometer.
Measure clearance between both ends of
camshaft and cylinder head.
A
R1503motr102A
B C D A C A B C A C A B C A
A. Camshaft lobe (exhaust valves)
B. Camshaft lobe (intake valves)
C. Camshaft bearing journal
D. Camshaft bearing journal — engine front
CAMSHAFT LOBE HEIGHT — EXHAUST VALVE
NEW
31.699 mm - 31.809 mm
(1.248 in - 1.2523 in)
SERVICE LIMIT 31.670 mm (1.2469 in)
CAMSHAFT LOBE HEIGHT — INTAKE VALVE
NEW
31.480 mm - 31.590 mm
(1.2394 in - 1.2437 in)
SERVICE LIMIT 31.450 mm (1.2382 in)
138
smr2009-025