User manual YAMAHA TW200-1998

[. . . ] OWNER'S MANUAL TW200 5FY-28199-EX INTRODUCTION EAU00000 Congratulations on your purchase of the Yamaha TW200. This model is the result of Yamaha's vast experience in the production of fine sporting, touring, and pacesetting racing machines. It represents the high degree of craftsmanship and reliability that have made Yamaha a leader in these fields. This manual will give you an understanding of the operation, inspection, and basic maintenance of this motorcycle. [. . . ] Recommended oil: Same as engine oil 8 Make sure the air filter is properly seated in the filter case. 8 The engine should never be run without the air filter installed. Excessive piston and/or cylinder wear may result. 6-12 PERIODIC MAINTENANCE AND MINOR REPAIR EAU00629 Carburetor adjustment 1 2 3 4 5 6 7 8 9 The carburetor is a vital part of the engine and requires very sophisticated adjustment. Most adjustments should be left to a Yamaha dealer who has the professional knowledge and experience to do so. However, the following may be serviced by the owner as part of routine maintenance. a1 b 2. Set the idle to the specified engine speed by adjusting the throttle stop screw. Turn the screw in direction a to increase engine speed and in direction b to decrease engine speed. Standard idle speed: 1, 350 ~ 1, 450 r/min 1. Throttle stop screw EAU01168 cC EC000094 Idle speed adjustment NOTE: A diagnostic tachometer must be used for this procedure. Start the engine and warm it up for a few minutes at approximately 1, 000 to 2, 000 r/min. Occasionally rev the engine to 4, 000 to 5, 000 r/min. The engine is warm when it quickly responds to the throttle. The carburetor was set at the Yamaha factory after many tests. If the settings are changed, poor engine performance and damage may result. NOTE: If the specified idle speed cannot be obtained by performing the above adjustment, consult a Yamaha dealer. 6-13 PERIODIC MAINTENANCE AND MINOR REPAIR EAU00635 EAU00636 EAU00637 Throttle cable free play inspection There should be a free play of 2 ~ 5 mm at the throttle grip. If the free play is incorrect, ask a Yamaha dealer to make this adjustment. Cam chain adjustment The cam chain becomes loose with use, resulting in improper valve timing and engine noise. To prevent this, the cam chain tensioner must be adjusted regularly. This adjustment, however, should be left to a professional Yamaha service technician. Valve clearance adjustment The correct valve clearance changes with use, resulting in improper fuel/air supply or engine noise. To prevent this, the valve clearance must be adjusted regularly. This adjustment however, should be left to a professional Yamaha service technician. 1 2 3 4 5 6 7 8 9 6-14 PERIODIC MAINTENANCE AND MINOR REPAIR EAU00668 Tires 1 2 3 4 5 6 7 8 9 To ensure maximum performance, long service, and safe operation, note the following: 1. Tire air pressure Always check and adjust the tire pressure before operating the motorcycle. Maximum load* Cold tire pressure: Up to 90 kg Front 157 kg Rear 125 kPa 150 kPa (1. 25 kgf/cm2, (1. 50 kgf/cm2, 1. 25 bar) 1. 50 bar) 150 kPa 175 kPa (1. 50 kgf/cm2, (1. 75 kgf/cm2, 1. 50 bar) 1. 75 bar) 125 kPa 125 kPa (1. 25 kgf/cm2, (1. 25 kgf/cm2, 1. 25 bar) 1. 25 bar) 150 kPa 175 kPa (1. 50 kgf/cm2, (1. 75 kgf/cm2, 1. 50 bar) 1. 75 bar) w EW000087 90 kg load ~ Maximum load* Off-road riding w EW000082 High-speed riding Tire inflation pressure should be checked and adjusted when the temperature of the tire equals the ambient air temperature. Tire inflation pressure must be adjusted according to total weight of cargo, rider, passenger, and accessories (fairing, saddlebags, etc. if approved for this model), and vehicle speed. * Load is the total weight of cargo, rider, passenger, and accessories. Proper loading of your motorcycle is important for several characteristics of your motorcycle; such as handling, braking, performance and safety. [. . . ] Turn the engine over several times (ground spark plug lead) to coat the cylinder wall with oil. 1 2 3 4 5 6 7 8 9 w EW000127 When using the starter motor to crank the engine, remove the spark plug wires, and ground them to prevent sparking. 3. Thoroughly clean and lubricate the drive chain. (For details, see "Drive chain lubrication" on page 6-23. ) 4. Block up the frame to raise both wheels off the ground. [. . . ]