Checking and adjusting the
steering head bearings (*)
Check steering head bearings for play
periodically. For check put motorcycle
on a stand so that the front wheel is off
the ground. Try to move the fork
forward and backward. For readjusting,
loosen top nut (2) and the four bolts (1)
of the top triple clamp and turn steering
stem bolt (3) clockwise until there is no
more play. Don’t tighten the steering
stem bolt (3) all the way; otherwise the
bearings will be damaged. With a
plastic hammer, lightly rap on the triple
clamp to release tension and retighten
the bolts. Then tight top nut (2) and the
top triple clamp screws (1).
Steering head bearings should be
greased at least once a year.
! WARNING !
If steering head bearings are not
adjusted to be free of play or too
tight, the motorcycle will become
unstable and can get out of control.
! CAUTION !
If you drive with play in the steering
head bearings for long periods,
bearings and subsequently bearing
seats in the frame will be
destroyed.
Cleaning the dust sleeves of
the telescopic fork
The dust protection gaskets (1) are to
remove dust and coarse dirt particles
from the fork tube. However, after some
time, dirt may also get behind the dust
protection gasket. If this dirt is not
removed, the oil sealing rings located
behind it may start to leak.
Use a screwdriver to lever the dust-
protection bellows out of the outer
tubes and slide them downward.
Clean dust-protection gaskets, outer
tubes and fork tubes thoroughly, and oil
them with silicone spray or engine oil;
then push dust-protection gaskets into
the outer tubes by hand.
DRIVE CHAIN
Drive chain adjustment
The chain slack must be of 15-30mm,
at the mid point between the chain
buffer and the rear sprocket.
To adjust the drive chain, follow the
procedure bellow:
PR4 User’s manual Page
18
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