User Manual - Page 106

For 2020 CRF250R.

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Servicing Your Honda 101
Piston/Piston Rings/Piston Pin
9. Connect the right radiator hose (16) to the right
radiator hose joint (17) as shown.
10. Tighten the radiator hose clamp screw (18) as
illustrated below.
11. Connect the left radiator hose (19) to the left
water hose joint (20) of the cylinder head as
shown.
12. Connect the ECT sensor connector (21).
13. Install the harness band clip (22).
14. Tighten the radiator hose clamp screw (18) as
illustrated below.
15. Install the valve shims, intake cam sprocket,
camshafts, camshaft holder and cam chain
guide (page 87).
16. Install the crankshaft hole cap and timing hole
cap (page 91).
17. Install the cylinder head cover (page 91).
18. Install the spark plug (page 81).
19. Install the left and right exhaust pipes
(page 134).
20. Install the subframe (page 41) and left and
right mufflers (page 132).
21. Install the fuel tank and seat (pages 33, 35, 38).
22. Fill and bleed the cooling system (page 165).
Check for the following:
compression leaks
abnormal engine noise
secondary air leaks
exhaust gas leaks
coolant leaks
oil leaks
(16) right radiator hose
(17) right radiator hose joint
(18) radiator hose clamp screw
(16)
(17)
(18)
0 – 0.02 in
(0 – 0.5 mm)
(19) left radiator hose
(20) left water hose joint
(21) ECT sensor connector
(22) harness band clip
(18) radiator hose clamp screw
(19)
(20) (21)
(22)
(18)
0 – 0.02 in
(0 – 0.5 mm)
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