1992 Yamaha TDM


Specifications according to Yamaha

Overall Length: 85.6"
Overall Width: 30.7"
Overall Height: 49.6"
Seat Height: 31.3"
Wheel Base: 58.1"
Minimum Ground Clearance: 6.3"
Dry weight: 439 lbs

Liquid cooled, 4-stroke, gasoline DOHC
Electric Start
Dry Sump
Wet Clutch
Cylinder arrangement: Parallel 2-cylinder forward inclined
Five valves per cylinder
Two Mikuni BDST38 carbs
Displacement: 849cc
BoreXStroke: 89.5 x 67.5mm
Compression ratio 9.5 : 1
Gas Tank Capacity: 4.76 gallons
Chain drive
Constant mesh 5-speed transmission

OEM tires are tubeless, bias ply
Front: 110/80-18 (28psi)
Rear: 150/70-17 (32psi)

Dual front disc brakes, 298mm discs
Single rear disc brake, 245mm disc

Front suspension: telescopic fork, coil spring, oil damper, 6.3 inches of travel
Rear suspension: monoshock with coil spring and oil/gas damper, 5.51 inches of travel

Dual 35W headlights


Service Data

Piston Skirt Clearance New/Max: 0.065 - 0.085mm / 0.15mm
Valve Clearance (Cold) Intake/Exhaust: 0.15-0.20mm / 0.25-0.30mm
Oil Type Above 5C(40F): SAE 20W40
Oil Type Below 15C(60F): SAE 10W30
Capacity Oil and Filter Change / Oil Change Only: 4.1qt / 4.0qt
Cartridge Oil Filter, part number 4X7-13440-90-00
Drive chain free play: 40-50mm (1.6-2.0in)

Carburetor
Main Jet / Pilot Jet: #140 / 37.5
Needle Jet / Jet Needle / Clip Position: Y-4 / SEL79 / Fixed
Fuel Level: 7.4 - 8.4mm (With Special Tool)
Idle RPM: 1050 - 1150

Fork Oil Type/Level/Quantity: 15wt / 165mm / 395cc
Rear Air Pressure: 12kg/cm3 (171psi)

Battery: YTX12-BS or GTX12-BS
Charging System Maximum Output: 14V25A at 5000RPM
Ignition Timing: 10 degree @ 1200rpm Full advance 42 degree @ 5000rpm
Spark Plug: NGK DPR9EA-9 or ND X27EPR-U9
Spark Plug Gap / Torque: 0.8-0.9mm / 1.74m-kg (13ft-lb)

Headlight: 12V35-35W (2)
Taillight: 12V8-27W
Turn signal: 12V27W


Specifications according to Cycle World, August 1991

Claimed power - 78 bhp @ 7800 rpm
Claimed torque - 58 lb-ft @ 6000 rpm
1/4 mile 11.98 seconds @ 111.94 mph
0-60 mph in 3.4 seconds
Measured top speed - 127 mph
Weight, tank empty - 479 lb
Weight, tank full - 507 lb
Wheel travel 6.3" front
Wheel travel 5.5" rear
Fuel mileage, high/low/avg - 48/34/41 mpg

PDF copy of the parts microfiche


Click on any thumbnail image to see the larger image.

large 
image, right side right front right rear January 2002.  Less than 5700 miles! left motor right motor driving lights driving lights switch for driving lights Givi rack, rear view Givi rack, side view


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