BMW HP4 Wartungshandbuch PDF herunterladen (Seite 136)

Turn the rear wheel until the

position with the lowest chain

sag is reached.

Using a screwdriver, push the

chain in the middle between

the pinion and sprocket and

measure the difference a.

Chain sag

1.6...2 in (40...50 mm) (Mo-

torcycle unloaded on side

stand)

If the measured value is outside

the approved tolerance:

Adjusting chain tension

( 134).

Adjusting chain tension

Make sure ground is level and

firm and park motorcycle.

Loosen quick-release axle

nut 1.

Loosen lock nuts 3 on left and

right.

Adjust chain tension with ad-

justing screws 2 on left and

right.

Checking chain tension

( 133).

Ensure that the figures 4 indi-

cating the adjustment settings

are identical on left and right.

Tighten locknuts 3 on left and

right to the specified torque.

Locknut of drive-chain

tensioning screw

14 lb/ft (19 Nm)

Tighten quick-release axle

nut 1 to specified torque.

Rear-wheel quick-release

axle in swinging arm

Securing device: mechanical

74 lb/ft (100 Nm)

Check chain wear

Engage 1st gear.

Rotate rear wheel toward front

of vehicle until the chain is ten-

sioned.

134

Maintenance

1 2 ... 131 132 133 134 135 136 137 138 139 140 141 ... 193 194

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