Sprocket Coupling Bearing; Tyres - General Information And Fitting - Yamaha TDM850 User Manual

13.23 Where the seal sits flush with the
rim, a piece of wood can be used as
shown
using acetone or brake system cleaner. Install
the sprocket coupling assembly onto the wheel,
then install the wheel (see Section 12).

Sprocket coupling bearing

25 Remove the rear wheel (see Section 12). Lift
the sprocket coupling out of the wheel, noting
how it fits (see illustration 13.15).
26 Remove the spacer from the inside of the
coupling bearing, using a suitable socket to drive
it out if it is tight, noting which way round it fits
(see illustrations). Using a
screwdriver, lever out the grease seal from the
outside of the coupling (see illustration).
27 Support the coupling on blocks of wood and
drive the bearing out from the inside using a
bearing driver or socket (see illustration).
28 Refer to Steps 7 to 9 above and check the
bearings.
29 Thoroughly clean the bearing recess then
install the bearing into the recess in the coupling,
with the marked or sealed side facing out. Using
the old bearing (if new ones are being fitted), a
bearing driver or a socket large enough to
contact the outer race of the bearing, drive it in
until it is completely seated (see illustration
13.10).
30 Apply a smear of grease to the lips of the
new seal, and press it into the coupling, using
13.30a Fit the grease seal...
13.26a Use a socket to drive out the
spacer...
13.26c Lever out the grease seal
flat-bladed
a seal or bearing driver, a suitable socket or a
flat piece of wood to drive it into place if
necessary (see illustration). Install the spacer
into the inside of the coupling, making sure it is
the correct way round (see illustration 13.26b),
and drive it into place if it is tight (see
illustration).
31 Check the sprocket coupling/rubber damper
(see Chapter 6).
32 Clean off all grease from the brake disc
using acetone or brake system cleaner. Fit the
sprocket coupling
illustration 13.15), then install the wheel (see
Section 12).
Brakes, wheels and tyres 7*19
13.27 Drive the bearing out from the inside
14 Tyres - general information
General information
1 The wheels fitted on TDM and TRX models
are designed to take tubeless tyres only. The
wheels fitted on XTZ models are designed to
take tubed tyres only. Tyre sizes are given in the
into the wheel (see
Specifications at the beginning of this chapter.
2 Refer to the Daily (pre-ride) checks listed at
13.30b ... and the spacer
13.26b ... noting how it fits
and fitting
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