BMW HP4 - Wheels

Locknut of the final-drive
chain tensioning screw
19 Nm
Tighten quick-release axle
nut 1 to the specified tight-
ening torque.
Rear quick-release axle
in swinging arm
Thread-locking compound:
mechanical
100 Nm
Checking the chain wear
Engage 1st gear.
Turn the rear wheel in the nor-
mal direction of travel until the
chain is tensioned.
Measure chain length under-
neath the rear wheel swinging
arm.
Permissible chain length
max 144.30 mm (measured
centre to centre over 10
pins, chain pulled taut)
If the chain has stretched to the
maximum permissible length:
Seek the advice of a specialist
workshop, preferably an author-
ised BMW Motorrad dealer.
Wheels
Tyre recommendation
For each size of tyre,
BMW Motorrad tests and
classifies as roadworthy certain
makes. BMW Motorrad cannot
assess the suitability or provide
any guarantee of road safety for
other tyres.
BMW Motorrad recommends
using only tyres tested by
BMW Motorrad.
Detailed information is
available from your authorised
BMW Motorrad dealer or in the
internet at:
www.bmw-motorrad.com
Effect of wheel size on
chassis and suspension
control systems
Wheel size is very important
as a parameter for the frame
and suspension control sys-
tems ABS and DTC. In particu-
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