Honda CRF450R 2017 User Manual

Servicing Your Honda 117
Additional Maintenance Procedures
Check and tighten nuts, bolts, and fasteners before
every outing.
RIGHT SIDE LEFT SIDE
Nuts, Bolts, Fasteners
ENGINE
Item
Torque
lbf•ft N•m kgf•m
1 Cylinder head cover
socket bolts 7 10 1.0
2 Clutch cover bolts 7 10 1.0
3 Water pump cover bolts 7 10 1.0
4 Crankshaft hole cap 11 15 1.5
5 Oil filter cover bolts 7 10 1.0
6 Cylinder head bolts 37 50 5.1
7 Exhaust pipe joint nuts 15 21 2.1
8 Drive sprocket bolt 23 31 3.2
9 Engine oil drain bolt 13 18 1.8
10 Coolant drain bolt 7 10 1.0
(1) cylinder head cover socket bolts
(2) clutch cover bolts
(3) water pump cover bolts
(4) crankshaft hole cap
(6) cylinder head bolts
(7) exhaust pipe joint nuts
(10) coolant drain bolt
(3)
(4) (10)
(7)
(6)
(1)
(2)
(1) cylinder head cover socket bolts
(5) oil filter cover bolts
(6) cylinder head bolts
(8) drive sprocket bolt
(9) engine oil drain bolt
(5)
(6)
(9)
(1)
(8)
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Honda CRF450R 2017 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	13.5:1
Induction	Programmed Fuel Injection (PGM-FI), 46mm throttle body
Transmission	Close-ratio five-speed
Final Drive	#520 Chain; 13T/49T
Rear Suspension	Pro-Link Showa single shock with spring preload, rebound and compression damping adjustability; 12.4 inches travel
Front Brake	Single 260mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	120/80-19
Trail	116mm (4.6 inches)
Wheelbase	58.3 inches
Seat Height	37.8 inches
Valve Train	Unicam, 4-valve
Ignition	Full transistorized
Curb Weight	243 pounds