The Yamaha TDM is an 849 cc two-cylinder motorcycle first produced by the Yamaha Motor Company of Japan in 1991. The TDM has a five-speed gearbox, as there is no call for an extra cog due to the wide flat torque curve. This bike features bigger 43mm forks, shorter frame, close ratio gearbox, 270-degree crank engine, redesigned exhaust and silencers, twin bulb headlamps, new styling, larger 20 liter fuel tank.

Yamaha TDM 850 Repair Manual Service and Maintenance Guide is divided into sections as follows:


General Information
Specifications
Periodic Inspection and Adjustment, this section includes: periodic maintenance and lubrication intervals, air filter case, valve clearance adjustment, carburetor synchronization, idling speed adjustment, spark plug inspection, ignition timing check, compression pressure measurement, engine oil level inspection and replacement, clutch adjustment, air filter cleaning, carburetor joint inspection, exhaust system inspection, coolant level inspection, coolant replacement, cooling system inspection, etc.
Engine Overhaul, included in this section: engine assembly, camshaft, cylinder head, valve and valve spring , cylinder and piston, clutch, crankcase cover, shift shaft, oil pump, crankshaft, transmission, shift cam and shift fork.
Cooling System
Carburetion
Chassis
Electrical
Troubleshooting