Section 04 TRANSMISSION
Sub-Section 04 (DRIVEN PULLEY)
04-04-5
Take a measurement when opening driven pulley
and another one when driven pulley begins to close
after a rotation of 10 mm (3/8 in). Spring pre-load
is the average measurement between these 2.
TYPICAL
Step : 1
st
measurement
Step : 2
nd
measurement
Spring pre-load should be as TECHNICAL DATA
section 09.
To adjust spring pre-load relocate spring end in
sliding pulley, moving it clockwise to decrease the
pre-load and counterclockwise to increase it.
1. Decrease
2. Adjusting holes
3. Increase
NOTE :
Always recheck torsional pre-load
after adjusting.
Chaincase
Check oil level and refill as required. Refer to
CHAINCASE 04-07.
Pulley Alignment and Drive Belt
Deflection
Refer to PULLEY DISTANCE AND ALIGNMENT
04-05 and DRIVE BELT 04-02 to perform adjust-
ments.
CAUTION : Drive belt and pulley adjust-
ments must always be checked whenever
pulleys have been removed, replaced or disas-
sembled.
1
st
measurement
(when opening)
+
2
nd
measurement
(when closing)
=
Spring
pre-load
2
Example :
3.8 kg (8.4 lb)
(when opening)
+
3.4 kg (7.9 lb)
(when closing)
=
3.6 kg (8 lb)
Actual
spring
pre-load
2
529 0065 00
A01B18A
1
2
1
2
A07D0CB
1
2
3
2
1