Subsection 08 (TOP END)
tmr2013-068-026_a
1. Valve guide installer
2. Mark "EX" - exhaust valve guide installer
3. Mark "IN" - intake valve guide installer
A. 14.5 mm (.571 in)
B. 13.3 mm (.524 in)
All Engines
1
R400m
o
tr87A
2
1. Valve guide installer
2. Valve guide
NOTE:
Apply
LOCTITE 767 (ANTISEIZE LUBRICANT)
(P/N 293 800 070)
on valve guide prior to install it
into the cylinder head.
NOTICE
Push valve guide in the cold cylinder
head as per following illustration.
1
R400m
o
tr87B
2
A
1. Thrust surface of cylinder head
2. Valve guide
A. Measurement from thrust surface to valve guide top
VALVE GUIDE (MEASUREMENT A)
570
ENGINE
INTAKE and
EXHAUST
14.00 mm to 14.40 mm
(.5512 in to .5669 in)
INTAKE
13.1 mm to 13.5 mm
(.5157 in to .5315 in)
850 AND
1000R
ENGINES
EXHAUST
14.3 mm to 14.7 mm
(.563 in to .579 in)
Apply some lapping compound to valve face and
work valve on its seat with a lapping tool.
A
R400m
o
tr89A
1
2
3
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
Removing the Cylinder
1. Refer to the
TIMING CHAIN
subsection to re-
move the following parts:
– Chain tensioner
– Camshaft timing gear.
2. Remove the cylinder head (see
CYLINDER
HEAD
in this subsection).
3. Pull cylinder.
4. Discard cylinder base gaskets.
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