Honda CRF450R 2006, Owner'S Manual

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Piston/Piston Rings/Piston Pin
72
Servicing Your Honda
2. Route the cam chain through the cylinder
head (3).
Install the cylinder head.
Do not damage mating surfaces when installing
the cylinder head.
3. Apply engine oil to all cylinder head nut
threads (4).
Install the washers and cylinder head nuts and
tighten to the specified torque:
44 lbf·ft (59 N·m, 6.0 kgf·m)
Do not let the washers and nuts fall into the
crankcase.
Tighten the cylinder head nuts in a criss-cross
pattern in 2 or 3 steps.
NOTICE
NOTICE
4. Install the cylinder bolt (5) and cylinder head
bolts (6) to the specified torque:
7 lbf·ft (10 N·m, 1.0 kgf·m)
(3) cylinder head
(4) cylinder head nuts/washers
(7) left engine hanger plate
(8) right engine hanger plate
(9) engine hanger B bolts
(10) engine hanger A bolt
(11) fuel hose guide
(12) engine hanger nut
(4)
(4)
(3)
(6)
(5)
(10)
(11)
(7)
(9)
(5) cylinder bolt
(6) cylinder head bolts
5. Install the left engine hanger plate (7), right
engine hanger plate (8) and engine hanger B
bolts (9) and tighten the engine hanger B bolts
until lightly contact the frame.
Install the engine hanger A bolt (10), fuel hose
guide (11) and engine hanger nut (12) and
tighten the engine hanger nut until it lightly
contacts the engine hanger plates.
Tighten the engine hanger B bolts to the
specified torque:
19 lbf·ft (26 N·m, 2.7 kgf·m)
Tighten the engine hanger nut to the specified
torque:
40 lbf·ft (54 N·m, 5.5 kgf·m)
(12)
(8)
(9)