Honda CRF450L 2019 User Manual

Servicing Your Honda 137
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 16 22 2.2
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)
(6)
(1)
(7)
(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
(6)
(9)
(1)
(8)
(5)

Honda CRF450L 2019 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	12.0:1
Fuel System	Programmed Fuel Injection (PGM-FI), 46mm throttle body
Transmission	6-speed
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	120/80-18
Rake (Caster Angle)	28.5°
Wheelbase	58.9 inches
Seat Height	37.1 inches
Fuel Capacity	2.0 gallons
Ignition	Full transistorized ignition
Ground Clearance	12.4 inches
Front Suspension	49mm inverted fork; 12.0 inches of travel
Rear Suspension	Pro-Link Showa single shock, adjustable spring preload, compression and rebound damping
Front Brake	Single 260mm disc
Curb Weight	289 pounds
Valve Train	Unicam four-valve
Final Drive	Chain
Trail	4.6 inches (118mm)