Checking The Speedometer Gear Unit; Adjusting The Front Wheel Static Balance - Yamaha SR400 2014 Service Manual

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a. Clean the outside of the front wheel hub.
b. Remove the oil seals "1" with a flathead
screwdriver.
TIP
To prevent damaging the wheel, place a rag "2"
between the screwdriver and the wheel surface.
c. Remove the wheel bearings "3" with a gener-
al bearing puller.
d. Install the new wheel bearings and oil seals in
the reverse order of disassembly.
ECA14131
NOTICE
Do not contact the wheel bearing inner race
"4" or balls "5". Contact should be made
only with the outer race "6".
TIP
Use a socket "7" that matches the diameter of
the wheel bearing outer race and oil seal.
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EAS21940
CHECKING THE SPEEDOMETER GEAR
UNIT
1. Check:
• Speedometer clutch
Bends/damage/wear  Replace.
2. Check:
• Speedometer drive gear
• Speedometer driven gear
Damage/wear  Replace.
EAS21970
ADJUSTING THE FRONT WHEEL STATIC
BALANCE
TIP
• After replacing the tire, wheel or both, the front
wheel static balance should be adjusted.
• Adjust the front wheel static balance with the
brake disc installed.
1. Remove:
• Balancing weight(s)
2. Find:
• Front wheel's heavy spot
TIP
Place the front wheel on a suitable balancing
stand.
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a. Spin the front wheel.
b. When the front wheel stops, put an "X
at the bottom of the wheel.
c. Turn the front wheel 90 so that the "X
is positioned as shown.
d. Release the front wheel.
e. When the front wheel stops, put an "X
at the bottom of the wheel.
4-8
FRONT WHEEL
" mark
1
" mark
1
" mark
2