Honda CRF250X 2007, Owner'S Manual & Competition Handbook

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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 all cylinder head nut
threads.
Install the washers and cylinder head nuts (4).
Tighten the cylinder head nuts 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.
Tighten the cylinder head nuts in a criss-cross
pattern in two or three steps.
NOTICE
NOTICE
4. Install the cylinder bolt (5), cylinder head
bolts (6) and tighten them to the specified
torque:
7 lbf·ft (10 N·m, 1.0 kgf·m)
(3) cylinder head
(4) cylinder head nuts/washers
(5) cylinder bolt
(6) cylinder head bolts
(7) engine hanger plate
(8) engine hanger nuts/bolts of the frame side
(9) engine hanger nut/bolt of the engine side
(3)
(4)
(6)
(5)
(9) (8)
(7)
80
Servicing Your Honda
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)
061-083.qxd 06.7.4 14:20 ページ80