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Honda CRF250R 2018 User Manual

Honda CRF250R 2018
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Servicing Your Honda 87
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 73).
16. Install the crankshaft hole cap and timing hole
cap (page 77).
17. Install the cylinder head cover (page 77).
18. Install the spark plug (page 67).
19. Install the left and right exhaust pipes
(page 118).
20. Install the subframe (page 38) and left and
right mufflers (page 116).
21. Install the fuel tank and seat (pages 33, 35).
22. Fill and bleed the cooling system (page 145).
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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Honda CRF250R 2018 Specifications

General IconGeneral
Bore x Stroke79.0mm x 50.9mm
Compression Ratio13.9:1
Rear SuspensionPro-Link Showa single shock with spring preload, rebound and compression damping adjustability; 12.4 inches travel
Front BrakeSingle 260mm disc with twin-piston caliper
Rear BrakeSingle 240mm disc
Wheelbase58.3 inches
Seat Height37.8 inches
InductionProgrammed Fuel Injection (PGM-FI)
Transmission5-speed
Final DriveChain
Front Tire80/100-21
Rear Tire100/90-19
Trail4.6 inches

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