Steering Head - Yamaha JT1 Series Service Manual

CHASSIS-Steering Head
Replacing Rear Swing Arm Bushings
Replacement should be made according to machine condition such as excessive play of the rear swing arm, or
hard steering (wander, shimmy or rear wheel hop.) or upon requiest of the customer.
EXPLODED VIEW
4-9 Steering Head
A. Exploded View of the Steering Head
STEERING
Fig 4-9-1
B. Checking
1) Ball Races and
Steel
Balls
1-
2,
3,
4-
s.
6.
7.
8,
9.
JO,
11,
12,
13.
14.
15,
16,
17,
18,
Ball race #2
Bal I race 1t 1
Boll (3/16 inch)
Boll race cover
Handle crown
Handle upper holder
Handle under holder
Nut
Plain washer
Spring washer
Bolt
Spring washer
Fitting nut
Crown washer
Fitting bolt
Boll race If 2
Bal I race
ft
l
Ball {¼ inch)
Check the ball races and steel balls for
pitting
or wear_ Check them very carefully If the machine has been m
long use I! any are worn or cracked. replace all of them, because defective ball races or steel balls adversely
affect the maneuverability of the machine Clean and grease the balls and races periodically
Note: Do not use a combination of new balls and used races or vice versa. If any of these are found
defective. replace the whole ball and race assembly.
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