Honda CRF450L 2019 Owner's Manual & Off-Road Handbook page 2

Valve Clearance ............................................. 87
Cylinder Head Cover Removal ................... 87
Positioning At TDC On The Compression
Stroke .......................................................... 88
Valve Clearance Inspection......................... 89
Camshaft Removal ...................................... 89
Shim Selection............................................. 91
Camshaft Installation................................... 92
Crankshaft Hole Cap Installation ................ 94
Cylinder Head Cover Installation................ 95
Piston/Piston Rings/Piston Pin ....................... 96
Cylinder Head Removal .............................. 96
Cylinder Removal ....................................... 98
Piston Removal ........................................... 98
Piston Ring Removal................................... 98
Piston/Piston Pin/Piston Ring Inspection.... 99
Piston Ring Installation ............................... 99
Piston Installation...................................... 100
Cylinder Installation.................................. 101
Cylinder Head Installation ........................ 102
Chassis
Suspension .................................................... 105
Front Suspension Inspection ..................... 105
Front Suspension Removal........................ 106
Recommended Fork Oil ............................ 108
Fork Outer Tube Disassembly................... 108
Fork Oil Refilling ...................................... 109
Front Suspension Installation .................... 110
Fork Damper Disassembly ........................ 113
Damper Oil Change................................... 115
Fork Damper Installation .......................... 118
Rear Suspension Inspection ...................... 121
Brakes ........................................................... 122
Front Brake Lever Adjustment.................. 122
Rear Brake Pedal Height ........................... 122
Fluid Level Inspection............................... 123
Brake Pad Wear......................................... 125
Other Inspections....................................... 125
Brake Light Adjustment ............................ 125
Wheels ...........................................................126
Wheel Rims & Spokes...............................126
Axles & Wheel Bearings ...........................126
Tires & Tubes ...............................................127
Air Pressure................................................127
Inspection...................................................127
Tube Replacement .....................................127
Tire Replacement.......................................128
Side Stand .....................................................129
Drive Chain ...................................................130
Inspection...................................................130
Drive Chain Sliders....................................130
Drive Chain Rollers ...................................131
Adjustment.................................................131
Lubrication.................................................131
Removal, Cleaning & Replacement...........132
Exhaust Pipe/Muffler ....................................133
Exhaust Pipe/Muffler Inspection ...............133
Muffler Removal........................................133
Muffler Installation ....................................133
Exhaust Pipe Removal ...............................134
Exhaust Pipe Installation ...........................134
Spark Arrester ...............................................135
Spark Arrester Inspection ..........................135
Additional Maintenance Procedures .............136
Steering Head Bearing Inspection .............136
Handlebar Inspection .................................136
Control Cables ...........................................136
Nuts, Bolts, Fasteners ................................137
Electrical
Battery .......................................................... 138
Battery Storage .......................................... 138
Battery Charging ....................................... 139
Headlight Aim .............................................. 140
Headlight Aim Vertical Adjustment.......... 140
Appearance Care .......................................... 141
General Recommendations........................ 141
Washing Your Motorcycle with a Mild
Detergent ................................................... 141
After Cleaning Lubrication ....................... 142
Panels......................................................... 142
Aluminum Frame Maintenance................. 142
Titanium Fuel Tank Maintenance ............. 142
Exhaust Pipe and Muffler Maintenance .... 142
ADJUSTMENTS ......................................... 143
Front Suspension Adjustments ..................... 144
Front Suspension Air Pressure .................. 144
Front Suspension Damping ....................... 145
Rear Suspension Adjustments ...................... 146
Rear Suspension Spring Pre-Load
(Off-Road Use Only)................................. 146
Rear Suspension Damping ........................ 147
Rear Suspension Race Sag
(Off-Road Use Only)................................. 148
Suspension Adjustment Guidelines
(Off-Road Use Only) .................................... 150
Tuning Tips .................................................. 153
Spark Plug Reading (Off-Road Use Only)....153
Chassis Adjustments ..................................... 154
Rear End (Off-Road Use Only)................. 154
Fork Height/Angle (Off-Road Use Only) .....154
Wheelbase (Off-Road Use Only) .............. 154
Tire Selection for Track Conditions
(Off-Road Use Only) .................................... 155
Personal Fit Adjustments .............................. 156
Control Positioning (Off-Road Use Only) ....156
Handlebar Position (Off-Road Use Only).....156
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