70
Servicing Your Honda
Piston/Piston Rings/Piston Pin
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 the cylinder head nut
threads.
Install the washers and cylinder head nuts (4).
Tighten the cylinder head nuts in a crisscross
pattern in two or three steps. to the specified
torque:
29 lbf·ft (39 N·m, 4.0 kgf·m)
Do not let the washers and nuts fall into the
crankcase.
NOTICE
NOTICE
4. Install the cylinder bolt (5) and cylinder head
bolts (6) and tighten them to the specified
torque:
7 lbf·ft (10 N·m, 1.0 kgf·m)
5. Install the engine hanger plates (7), engine
hanger nuts/bolts (8) of the frame side and
engine hanger nut/bolt (9) of the engine side.
Tighten the engine hanger nut to the specified
torque:
frame side:
25 lbf·ft (34 N·m, 3.5 kgf·m)
engine side:
40 lbf·ft (54 N·m, 5.5 kgf·m)
(3) cylinder head
(4) cylinder head nuts/washers
(5) cylinder bolt
(6) cylinder head bolts
(7) engine hanger plates
(8) engine hanger nuts/bolts of the frame side
(9) engine hanger nut/bolt of the engine side
(4)
(3)
(6)
(5)
(8)
(9)
(7)
055-073.qxd 06.6.15 14:35 ページ70
Summary of Contents for 2007 CRF250R
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Page 21: ...16 Basic Operating Instructions 001 023 qxd 06 6 15 14 28 16...
