Suzuki GSX-R750, Service Manual

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CHASSIS 6-33
FRONT FORK AND STEERING STEM UPPER BRACKET
Install the front fork and steering stem upper bracket following
steps:
1) Install the upper bracket, washer
1
and steering stem head
nut
2
temporarily.
2) Set the front forks and tighten the steering stem head nut
2
.
! !
! !
!
Steering stem head nut: 90 N.m (9.0 kgf.m, 65 lb-ft)
3) Tighten the front fork upper and lower clamp bolts
3
,
4
.
( 6-26)
• Install the handlebars. ( 6-35)
• Install the front wheel. ( 6-14)
STEERING TENSION ADJUSTMENT
Check the steering movement in the following procedure.
• By supporting the motorcycle with a jack, lift the front wheel
until it is off the floor by 20 – 30 mm (0.8 – 1.2 in).
• Remove the steering damper. ( 6-28)
• Check to make sure that the cables and wire harnesses are
properly routed.
• With the front wheel in the straight ahead state, hitch the spring
scale (special tool) on one handlebar grip end as shown in the
figure and read the graduation when the handlebar starts mov-
ing. Do the same on the other grip end.
Initial force: 200 – 500 grams
[ [ [ [ [
09940-92720: Spring scale
• If the initial force read on the scale when the handlebar starts
turning is either too heavy or too light, adjust it till it satisfies the
specification.
1)First, loosen the front fork upper and lower clamp bolts, steer-
ing stem head nut and steering stem lock nut, and then adjust
the steering stem nut by loosening or tightening it.
2)Tighten the steering stem lock nut, stem head nut and front
fork upper and lower clamp bolts to the specified torque and
re-check the initial force with the spring scale according to the
previously described procedure.
3)If the initial force is found within the specified range, adjust-
ment has been completed.
NOTE:
Hold the front fork legs, move them back and forth and make
sure that the steering is not loose.