6-3
PRIMARY CHAIN
GENERAL
An opening between the primary drive and transmission com-
partments allows the same lubricant supply to lubricate mov-
ing parts in both compartments.
Since the primary chain runs in lubricant, little service will be
required other than checking lubricant level and chain ten-
sion. If, through hard usage, the primary chain does become
worn, it must be replaced. Remove and install the chain fol-
lowing the procedure under PRIMARY DRIVE/CLUTCH,
REMOVAL on page 6-10.
ADJUSTMENT/LUBRICATION
See PRIMARY CHAIN in Section 1 for inspection and adjust-
ment procedures.
See
CLUTCH, TRANSMISSION FLUID in Section 1 for com-
plete lubrication service on the primary chain.
REMOVAL
Primary Cover
1
WARNING
To avoid accidental start-up of vehicle and possible per-
sonal injury, disconnect the battery cables before pro-
ceeding. Always disconnect the negative cable first. If
the positive cable should contact ground with the nega-
tive cable installed, the resulting sparks may cause a bat-
tery explosion producing personal injury.
1. Raise rear wheel off floor using REAR WHEEL
SUPPORT STAND (Part No. B-41174).
2. Remove muffler. See EXHAUST SYSTEM in Section 2.
3. See Figure 6-1. Place a drain pan under the engine.
Remove drain plug (9) and drain lubricant from primary
drive.
4. Remove shift lever assembly (12) and rubber washer
(13). Do not to scratch primary cover (15).
5. Add freeplay to clutch cable. See CLUTCH in Section 1.
Figure 6-1. Primary cover
1. TORX screw with washers (4)
2. Clutch inspection cover
3. Spring
4. Lockplate
5. Nut
6. Coupling
7. Ramp assembly
8. Quad ring
9. Drain plug
10. Locknut
11. Chain adjuster screw
12. Shift lever assembly (includes
pinch screw and washer)
13. Rubber washer
14. Oil seal
15. Primary cover
16. Primary chain
inspection cover
17. Clutch adjusting screw
b0152a6x
1
2
3
4
5
6
7
8
9
11
12
15
17
14
13
10
16
NOTE
Depending upon vehicle production date, configuration
of items 6 and 7 may vary. See CLUTCH in Section 1.
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