Yamaha TDM850 1996 Service Manual page 271

SWINGARM AND DRIVE CHAIN
7-54
INSPECTION
1. Measure:
S 10 link length (drive chain) a
Out of specification ! Replace drive chain.
10 link length limit:
159 mm
NOTE:
S For measurement make the chain tense by fin-
ger.
S 10 link length is a measurement between the in-
sides of the 1 and
11
S Two or three different 10 link length should be
measured.
2. Clean:
S Drive chain
Place it in kerosene, and brush off as much dirt
as possible. Then remove the chain from the
kerosene and dry the chain.
CAUTION:
This motorcycle has a drive chain with small
rubber O-rings 1 between the chain plates.
Steam cleaning, high pressure washes, and
certain solvent can damage these O-rings.
Use only kerosene to clean the drive chain.
3. Inspect:
S O-rings (drive chain) 1
Damage ! Replace drive chain.
S Rollers 2
S Side plates 3
Damage/Wear ! Replace drive chain.
CHAS
rollers as shown.