Yamaha TDM850 User Manual page 138

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8.3 Disconnect the horn wiring connectors, then unscrew the
bolts (arrowed) and displace the brake hose/horn assembly
3 On TRX models, disconnect the horn wiring
connectors and unscrew the bolts securing the
front brake hose/horn bracket to the bottom yoke
(see illustration).
4 On XTZ models, displace the handlebars from
the top yoke (see Section 5). Slip the cables and
wiring out of the guides on the top yoke, and
unscrew the bolts securing the front brake hose
and the cable guide to the bottom yoke (see
illustrations).
5 Unscrew the steering stem nut or bolt and
remove it along with its washer, where fitted (see
illustration). Lift the top yoke off the steering
stem and place it aside, making sure no strain is
placed on the ignition switch wiring (see
illustration). On TRX models the yoke should be
supported so that the master cylinder reservoir
remains upright and so that no strain is placed on
the hydraulic hoses.
6 On TDM and TRX models, remove the tabbed
lockwasher, noting how it fits, then unscrew and
remove the locknut using either a C-spanner, a
peg spanner or a drift located in one of the
notches (see illustration). Remove the washer.
8.5b ... and lift off the top yoke
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8.4a Free the cable and wiring from the guides (arrowed) on the top
7 Supporting the bottom yoke, unscrew the
adjuster nut using either a C-spanner, a peg-
spanner or a drift located in one of the notches,
then remove the adjuster nut and the bearing
cover from the steering stem.
8 Gently lower the bottom yoke and steering
stem out of the frame.
8.4b ... and displace the brake hose
union (A) and guide (B) from the bottom
yoke by unscrewing the bolts
8.6 Remove the lockwasher, then unscrew the locknut (arrowed)
Frame, suspension and final drive 6*17
yoke ...
9 Remove the upper bearing from the top of the
steering head. Remove all traces of old grease
from the bearings and races and check them for
wear or damage as described in Section 9. Note:
Do not attempt to remove the outer races from
the frame or the lower bearing from the steering
stem unless they are to be renewed.
8.5a Unscrew the steering stem nut or
bolt...
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