Yamaha TDM850 1996 User Manual

4-31
CLUTCH
ENG
NOTE:
NOTE:
REMOVAL
1. Straighten the lock washer tab.
2. Remove:
 Clutch boss nut
1
 Lock washer
2
 Clutch boss
3
Loosen the clutch boss nut
1 while holding the
clutch boss
3 with the universal clutch holder.
Universal clutch holder:
90890-04086
3. Remove:
 Spacer
1
 Bearing
2
Install 6 mm bolts
3 onto the spacer. Then re-
move the spacer by pulling.
INSPECTION
1. Measure:
 Friction plate thickness
Out of specification  Replace friction plates
as a set.
Measure at four points.
Thickness:
2.9  3.1 mm
<Limit>: 2.8 mm
2. Measure:
 Clutch plate warpage
Out of specification  Replace clutch plate as
a set.
Use a surface plate and feeler gauge
1.
Warp limit:
Less than 0.1 mm
3. Measure:
 Free length (clutch spring)
a
Out of specification  Replace springs as a
set.
Free length (clutch spring):
55 mm
<Limit>: 53 mm

Yamaha TDM850 1996 Specifications

General

Displacement	849 cc
Bore x Stroke	89.5 mm x 67.5 mm
Compression Ratio	10.5:1
Fuel System	Carburetor
Transmission	5-speed
Final Drive	Chain
Front Suspension	Telescopic fork
Rear Suspension	Monoshock
Front Brakes	Dual disc
Rear Brakes	Single disc
Rear Tire	150/70-17
Fuel Capacity	20 liters
Seat Height	825 mm
Width	800 mm
Engine Type	4-stroke, parallel-twin
Ignition	Digital