Honda CR250R 2006 Owner's Manual & Competition Handbook page 57

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(3)
(4)
(3) piston ring pin
(4) cylinder
Before tightening the cylinder nuts, make sure
that there is no clearance between the cylinder
and crankcase mating surface.
5. Install the four flange nuts (5) and tighten to
the specified torque in a crisscross pattern in
2 or 3 steps:
29 lbf·ft (39 N·m, 4.0 kgf·m)
Be careful not to overtighten the mounting nuts.
This is the most common cause for leaks here.
(5)
(5) flange nuts
6. Return the radiators (6) to the original
positions on both sides.
7. Tighten the radiator mounting bolts (7), then
install the radiator grills (8) on both sides.
8. Connect the radiator hose (9) and tighten
hose clamp screw (10).
(6)
(8)
(7)
(10)
(6) radiator
(9) radiator hose
(7) radiator mounting bolts (10) screw
(8) radiator grill
9. Install the RC valve cables. Adjust if
necessary (page 57).
10. Install a new gasket (11) onto the RC valve
cover (12).
11. Install the RC valve cover and clamp (13),
tighten the bolts (14) to the specified torque:
3.7 lbf·ft (5 N·m, 0.5 kgf·m)
(11)
(14)
(13)
(12)
(11) gasket
(13) clamp
(12) RC valve cover
(14) bolts
Cylinder System
12. Install a new exhaust gasket (15).
13. Install the expansion chamber and springs
(page 75).
(15)
(9)
(15) exhaust gasket
Servicing Your Honda
(cont'd)
53

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