Service And Maintenance; Pre-Ride Inspection Check List; Maintenance Schedule - Honda CRF450R Owner's Manual

4. SERVICE AND MAINTENANCE

PRE-RIDE INSPECTION CHECK LIST

Pre-ride Inspection
WARNING
• If the Pre-ride and Pre-race inspection are not
performed, severe personal injury or vehicle dam-
age may result.
• Engine oil level ................................................... 21
• Transmission oil level ......................................... 23
• Coolant level ....................................................... 24
• Cooling system and hoses for condition .......... 24
• Spark plug for proper heat range, carbon
fouling and high tension cord terminal for
looseness ....................................................... 25
• Air cleaner for condition and contamination ... 27
• Clutch operation and free play .......................... 5
• Hot starter operation and free play ................... 6
• Breather drain for cleaning ................................ 27
• Steering head bearings and related parts for
condition ........................................................
• Carburetor throttle operation.......................... 6, 47
• Engine idle speed for stable and proper
RPM ................................................................ 26
• Tires for damage or improper inflation
pressure ......................................................... 49
• Spokes for looseness ......................................... 49
• Rim locks for looseness ..................................... 49
• Front and rear suspension for proper
operation ................................................. 49, 50
• Front and rear brakes, check operation ......... 7, 51
• Drive chain for correct slack and adequate
lubrication ...................................................... 52
• Drive chain guide, sliders and guide rollers for
damage or wear ............................................ 54
• Every possible part for looseness (such as
cylinder head nuts, engine mounting bolts,
axle nuts, handlebar holder bolts, fork triple
clamp bolts, drive chain adjuster, drive chain
guide, wire harness connectors, kickstarter
mounting bolt, etc.) ...................................... 58

MAINTENANCE SCHEDULE

Perform the Pre-ride Inspection at each scheduled maintenance period.
l: Inspect and Clean, Adjust, Lubricate or Replace if necessary. C: Clean. R: Replace. L: Lubricate.
ITEMS
THROTTLE OPERATION
HOT START SYSTEM
AIR FILTER
CRANKCASE BREATHER
SPARK PLUG
RADIATOR COOLANT
VALVE CLEARANCE / DECOMPRESSOR SYSTEM
ENGINE OIL
ENGINE OIL FILTER
ENGINE IDLE SPEED
PISTON AND PISTON RINGS
PISTON PIN
47
TRANSMISSION OIL
COOLING SYSTEM
DRIVE CHAIN
DRIVE CHAIN SLIDER
DRIVE CHAIN ROLLER
DRIVE SPROCKET
DRIVEN SPROCKET
BRAKE FLUID
BRAKE PADS WEAR
BRAKE SYSTEM
CLUTCH SYSTEM
CONTROL CABLES
EXHAUST PIPE/MUFFLER
SUSPENSION
SWINGARM/SHOCK LINKAGE
FORK TUBE/SLIDER
FORK OIL
DAMPER
NUTS, BOLTS, FASTENERS
WHEELS/TIRES
STEERING HEAD BEARINGS
This maintenance schedule is based upon average riding condition. Machine subjected to severe use require more frequent
servicing.
NOTE: 1.Clean after every moto for dusty riding condition.
2.Replace every 2 years. Replacement requires mechanical skill.
3.Replace after the first break-in ride.
4.Inspect after the first break-in ride.
FREQUENCY
Each race
or about
NOTE
or about
2.5 hours
7.5 hours
I
I
(NOTE 1) C
I
I
(NOTE 2) I
(NOTE 4)
(NOTE 3)
(NOTE 3)
I
I
I,L
I
I
I
I
(NOTE 2) I
I
I
I
I,L
I
I
(NOTE 3)
I
I
Every 3 Every 6 Every 9 Every 12
races races races races
or about or about or about
15.0 hours 22.5 hours 30.0 hours
I
R
R
R
R
R
R
L
R
R
I
Ref. Page
6
6
27
27
25
24
30
21
21
26
39
39
23
24
52
54
54
53
53, 55
51
52
7
5, 28
57
55
49, 50
16, 50
75
83
58
49
47
11