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Honda CRF450R 2017 User Manual

Honda CRF450R 2017
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Torque Specifications
150 Technical Information
Torque Specifications
Check and tighten nuts, bolts, and fasteners before every outing.
Nuts, Bolts, Fasteners
LEFT SIDE
(8)
(1)
(6)
(9)
(5)
RIGHT SIDE
(10)
(1)
(2)
(6)
(7)
(4)
(3)
ENGINE
Item
Torque
Remarks
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 NOTE 1
5 Oil filter cover bolts 7 10 1.0
6 Cylinder head bolts 37 50 5.1 NOTE 2
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 NOTE 2
10 Coolant drain bolt 7 10 1.0
NOTES: 1. Apply grease to the threads.
2. Apply engine oil to the threads and seating surface.
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Honda CRF450R 2017 Specifications

General IconGeneral
Engine Type449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke96.0mm x 62.1mm
Compression Ratio13.5:1
InductionProgrammed Fuel Injection (PGM-FI), 46mm throttle body
TransmissionClose-ratio five-speed
Final Drive#520 Chain; 13T/49T
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
Front Tire80/100-21
Rear Tire120/80-19
Trail116mm (4.6 inches)
Wheelbase58.3 inches
Seat Height37.8 inches
Valve TrainUnicam, 4-valve
IgnitionFull transistorized
Curb Weight243 pounds

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