BRP Outlander 400 EFI 2008, Service Manual

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Section 03 ENGINE
Subsection 09 (CYLINDER HEAD/CYLINDER)
If protrusion exceeds service limit, replace tim-
ing chain, camshaft timing gear and timing chain
guides at the same time.
Check timing chain on camshaft timing gear for
excessive radial play.
Check chain condition for wear and teeth condi-
tion.
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1. Timing chain
If chain is excessively worn or damaged, replace
it as a set (camshaft timing gear and timing chain).
Timing Chain Removal
Remove:
– Engine
from vehicle (refer to ENGINE
REMOVAL/INSTALLATION )
– Valve cover, chain tensioner and camshaft tim-
ing gear
– Magneto cover and rotor (refer to
MAGNETO/STARTER
section)
– Output shaft (refer to GEARBOX/OUTPUT
SHAFT section).
NOTE: Mark the operating direction of the timing
chain before removal.
Timing Chain Installation
The installation is essentially the reverse of the re-
moval procedure but, pay attention to the follow-
ing details.
Ensure to perform proper valve timing. Lock
crankshaft and camshaft at TDC compression
(refer to
CRANKCASE/CRANKSHAFT
section and
CAMSHAFT TIMING GEAR
in this section).
Install timing chain then, adjust chain tension (re-
fer to
TIMING CHAIN TENSIONER
in this section).
CAUTION: Improper valve timing will damage
engine components.
TIMING CHAIN GUIDE
(TENSIONER SIDE)
Guide Removal
Remove:
– Engine
from vehicle (refer to ENGINE
REMOVAL/INSTALLATION )
– Magneto cover and rotor (refer to
MAGNE-
TO/STARTER
)
– Bearing screw at the bottom of chain tensioner
guide.
Pull the chain guide downward to remove it.
Guide Inspection
Check chain guide for wear, cracks or other dam-
ages. Replace if necessary.
Guide Installation
Clean bearing screw threads then apply Loctite
243 (blue) (P/N 293 800 060) on the screw threads.
Install the guide in crankcase housing then torque
bearing screw to 10 N•m (89 lbf•
in ).
3
R400motr48A
1 2
1. Timing chain guide
2. Bearing screw
3. Crankcase MAG side
Reinstall all removed parts in accordance with the
proper installation procedures.
ROCKER ARM
Rocker Arm Removal
Lock crankshaft to TDC compression, refer to
CRANKCASE/CRANKSHAFT .
Remove:
– Valve cover
– Chain tensioner
– Camshaft timing gear
no. 16
– Camshaft retaining plate.
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