4-64
STEERING HEADCHAS
CAUTION:
NOTE:
NOTE:
NOTE: b. Remove the bearing race
3 from the lower
bracket with a floor chisel
4 and hammer.
c. Install a new rubber seal and new bearing
races.
If the bearing race is not installed properly,
the steering head pipe could be damaged.
Always replace the bearings and bearing
races as a set.
Whenever the steering head is disassembled,
replace the rubber seal.
4. Check:
upper bracket
lower bracket
(along with the steering stem)
Bends / cracks / damage Replace.
EAS00683
INSTALLING THE STEERING HEAD
1. Lubricate:
upper bearing
lower bearing
bearing races
Recommended lubricant
Lithium-soap-based grease
2. Install:
lower ring nut
1
rubber washer 2
upper ring nut 3
lock washer 4
Refer to “CHECKING THE STEERING
HEAD” in chapter 3.
3. Install:
upper bracket
steering stem nut
Temporarily tighten the steering stem nut.
4. Install:
front fork legs
Refer to “INSTALLING THE FRONT FORK
LEGS”.
Temporarily tighten the upper and lower bracket
pinch bolts.
ProCarManuals.com
9-5
FAULTY FRONT FORK LEGS / UNSTABLE HANDLING
TRBL
SHTG
MALFUNCTION
Bent or damaged inner tube
Bent or damaged outer tube
Damaged fork spring
Worn or damaged outer tube bushing
Bent or damaged damper rod
Incorrect oil viscosity
Incorrect oil level
Rear shock absorber assembly(-ies)
Faulty rear shock absorber spring
Leaking oil or gas
Tire(s)
Uneven tire pressures (front and rear)
Incorrect tire pressure
Uneven tire wear
Wheel(s)
Incorrect wheel balance
Deformed cast wheel
Damaged wheel bearing
Bent or loose wheel axle
Excessive wheel runout
Frame
Bent frame
Damaged steering head pipe
Improperly installed bearing race
EAS00861
FAULTY FRONT FORK LEGS
LEAKING OIL
Bent, damaged or rusty inner tube
Cracked or damaged outer tube
Improperly installed oil seal
Damaged oil seal lip
Incorrect oil level (high)
Loose damper rod assembly bolt
Damaged damper rod assembly bolt
copper washer
Cracked or damaged cap bolt O-ring
EAS00863
UNSTABLE HANDLING
Handlebars
Bent or improperly installed right handlebar
Bent or improperly installed left handlebar
Steering head components
Improperly installed upper bracket
Improperly installed under bracket
(improperly tightened ring nut)
Bent steering stem
Damaged ball bearing or bearing race
Front fork leg(s)
Uneven oil levels (both front fork legs)
Unevenly tensioned fork spring (both front
fork legs)
Broken fork spring
Bent or damaged inner tube
Bent or damaged outer tube
Swingarm
Worn bearing or bushing
Bent or damaged swingarm
ProCarManuals.com
