Yamaha TDM850 1996 Service Manual page 272

SWINGARM AND DRIVE CHAIN
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4. Lubricate:
S Drive chain
Drive chain lubricant:
SAE 30 X 50W motor oil or chain
lubricants suitable for "O-ring"
chains
5. Inspect:
S Drive chain stiffness
Stiff ! Clean and lubricate or replace.
6. Check:
S Swingarm free play
Inspection steps:
S Check the tightening torque of the pivot shaft
(swingarm) 1 securing nut.
90 Nm (9.0 mSkg)
S Check the swingarm side play A by moving it
from side to side.
If side play is noticeable, check the inner collar,
bearing, washer and thrust cover.
Side play (at end of swigarm):
0.3 mm
S Check the swingarm vertical movement B by
moving it up and down.
If vertical movement is tight, binding or rough,
check the inner collar, bearing, washer and
thrust cover.
CHAS