BRP Can-Am Outlander 2015 Series Manual page 199

2
1
R400motr89A
1. Valve seat
2. Valve face (contact surface to valve seat)
3. Turn valve while pushing against cylinder head
A. Valve seat angle 45°
NOTE: Ensure to seat valves properly. Apply
marking paste to ease checking contact pattern.
Repeat procedure until valve seat/valve face fits
together.
CYLINDER
Cylinder Removal
TIMING CHAIN
Refer to the
the following parts:
– Chain tensioner
– Camshaft timing gear.
Remove the cylinder head (see
in this subsection).
Pull cylinder.
Discard cylinder base gaskets.
ENGINE
500/650/800R engines
1000 engine
vmr2013-016
A
3
subsection to remove
CYLINDER HEAD
CYLINDER TAPER MEASUREMENTS
MEASUREMENT
A
B
C
A
B
C
Subsection XX (TOP END)
R400motr90A
1. Cylinder
2. Piston assembly
3. Cylinder base gasket
4. Camshaft timing chain
Cylinder Inspection
Check cylinder for cracks, scoring and wear ridges
on the top and bottom of the cylinder. If so, re-
place cylinder.
Cylinder Taper
Measure cylinder bore at recommended posi-
tions.
3
C
1
A
B
2
R400motr91A
A. First measurement (from cylinder bottom)
B. Second measurement
C. Third measurement
SPECIFICATION
5 mm (.197 in)
63 mm (2.48 in)
32 mm (1.26 in)
5 mm (.197 in)
58 mm (2.283 in)
52 mm (2.047 in)
4
1
2
3
19