Qt 50 Motorcycle Repair Manual

Posted By admin On 06.10.19
  1. Qt 50 Motorcycle Repair Manual Pdf
  2. Qt 50 Motorcycle Repair Manual
  3. Qt 50 Motorcycle Repair Manuals Pdf

View and download yamaha qt50 service manual online qt50 motorcycle pdf manual download also for ma50. 1983 1987 yamaha qt50 yamahopper service manual repair manuals ultimate workshop manual pdf download yamaha qt50 ma50 yamahopper service manual owners 2 manual 1 download yamaha qt50 qt 50 1985 repair service manual. Complete service repair workshop manual for the yamaha qt50 qt 50 yamahopper this is the same manual motorcycle dealerships use to repair your bike moped manual covers all the topics like engine service general information transmission chassis lighting steering.

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INSTALLATION To prevent accidental vehicle start-up, which could cause death or serious injury, remove maxi-fuse before proceeding. Refer to the Service Manual and follow the instructions given to remove the Maxi® Fuse. Refer to the instructions included with the Advanced Audio Hands Free Phone Interface, CB Radio or Intercom Kit, and proceed with that installation until the installation of the items in this kit is called for. Remove the outer fairing and windshield. Refer to OUTER FAIRING/ WINDSHIELD REMOVAL in the Service Manual. On the fairing cap, remove the inner left side hole plug.

See Figure 1 and the FAIRING CAP SWITCHES (FLHTC/U) section in the Service Manual. Install the fairing speaker switch (4) in the opening as follows: If a cruise control switch IS present: Follow the instructions in the Service Manual to install the speaker switch. If a cruise control switch IS NOT present: a. Obtain the speaker switch adapter wire (5) from the kit, and the butt splice connector included with the speaker switch. Refer to SEALED BUTT SPLICE CONNECTORS in the Service Manual. Splice the adapter wire to the black/ green speaker switch lead. Insert the terminated end of the adapter wire into cavity 12 of the fairing cap switch connector 105B 5.

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Remove the original equipment left-hand control switch assembly per the HANDLEBAR SWITCHES, REMOVAL, LEFT HANDLEBAR CONTROLS instructions in the Service Manual. Install the new left-hand control switch assembly (3) from the kit. When servicing the fuel system, do not smoke or allow open flame or sparks in the vicinity.

Gasoline is extremely flammable and highly explosive, which could result in death or serious injury. ALL models: Install the console pod assembly (1), and route the harness forward into the fairing per the instructions packaged with the Advanced Audio Hands Free Phone Interface, CB Radio or Intercom Kit. Be sure that steering is smooth and free without interference. Interference with steering could result in loss of vehicle control and death or serious injury. (00371a). Be sure the wires do not pull tight when handlebars are turned fully to left or right fork stops. Unless already installed, install the overlay harness per the instructions packaged with the Hands Free Phone Interface, CB Radio or Intercom Kit.

Refer to the Service Manual and follow the instructions given to re-install the Maxi Fuse. Removing Your Old Filter and Beauty Cover In order to install the new Remote Oil Filter Kit, you’ll need to remove the stock Yamaha “beauty cover” and the old filter and filter cover.

Remove the engine parts necessary to access the stock filter as outlined in the V-Star owner’s manual. The parts should come off in this order: 1. Muffler assembly 2. Front exhaust pipe 3. Rear brake reservoir cover bolt and brake cover (the reservoir should not be removed, it can remain in place and be moved aside as needed) 4. Right floorboard (this can be simply loosened, by loosening the two bolts underneath) With the above parts removed, you can remove the Allen bolts holding the beauty cover and filter cap from your engine. There are five Allen bolts holding the beauty cover (so named, because most of the cover just covers the chromed side of the engine There are five bolts holding the cover.

Ignore the three on the “Yamaha” cap in the middle – these just hold the Yamaha cap to the beauty cover itself. One bolt is hidd – in this picture – just be the Yamaha ca en low p. The bottommost bolt on the beauty cover will likely leak some oil when you remove it – it holds on the inner oil filter cover. Once you remove the beauty cover, you can remove the oil filter cover, and the oil filter Keep these two “O” rings, you’ll need them for the remote kit Old oil filter. Toss it away; you’ll never need one again! Throw away the old filter, and carefully remove the orange and black “O” rings from the filter cover (see picture above).

These two “O” rings will go on the new engine cap in the same order as on the old filter cover. “O” ring for bottom bolt. When the beauty cover and filter cover are removed, be sure not to lose the tiny “O” ring that the bottom bolt goes through. Preparing the Remote Oil Filter Kit Remove the orange and black “O” rings from the stock filter cover plate, and place them on the Remote Oil Filter Kit engine cap – black on the inside, orange on the outside – just like on the stock filter cover. Incoming search terms:. GASOLINE IS HIGHLY FLAMMA- BLE: Always turn the engine off when refueling.

Qt 50 Motorcycle Repair Manual

Take care not to spill any gasoline on the engine or exhaust system when refueling. Never refuel while smoking or in the vicinity of an open flame. Never start the engine or let it run for any length of time in a closed area. The exhaust fumes are poisonous and may cause loss of consciousness and death within a short time. Always operate your motorcycle in an area that has adequate ventilation. Always turn the engine off before leaving the motorcycle unattended and remove the key from the main switch. When parking the motorcycle, note the following: The engine and exhaust system may be hot, therefore, park the motorcycle in a place where pedestrians or children are not likely to touch these hot areas.

Do not park the motorcycle on a slope or soft ground, otherwise it may fall over. Do not park the motorcycle near a flammable source, (e.g., a kerosene heater, or near an open flame), otherwise it could catch fire. When transporting the motorcycle in another vehicle, make sure that it is kept upright. If the motorcycle should lean over, gasoline may leak out of the fuel tank. If you should swallow any gasoline, inhale a lot of gasoline vapor, or allow gasoline to get into your eyes, see your doctor immediately. If any gasoline spills on your skin or clothing, immediately wash the affected area with soap and water and change your clothes.

Cover the throttle bodies to prevent anything from dropping into the engine. Remove the front seat and disconnect the battery. (Refer to Service Manual, Page 8-8) 2. Lift up the fuel tank. (Refer to Service Manual, Page 5-3) 3.

Remove the air cleaner box. (Refer to Service Manual, Page 5-14) 4. Remove and replace the ISC valve. (Refer to Service Manual, Page 5-25) NOTE: Since the ECM is also being replaced there is no need to perform the ISC valve preset operation. Install the air cleaner box in reverse order of removal. (Refer to Service Manual, Page 5-14) 6. Lower the fuel tank.

(Refer to Service Manual, Page 5-3) 7. Remove the upper seat rail plate. Disconnect and remove the ECM.

(Figure 1) @ ISC Valve Mounting Screw Torque: 2.1± ±0.6 N.m (1.5± ±0.4 lb-ft)! Carefully insert the ISC valve straight into the throttle body hole to prevent damaging the o-ring. Turn the ISC valve slightly to confirm that the o-ring has not twisted. Using the new screw provided in the replacement parts kit, make sure the screw is completely seated on the plate after the screw has been tightened to the specified torque. Remove and replace the ISC valve.

(Refer to Service Manual, Page 5-25) NOTE: Since the ECM is also being replaced there is no need to perform the ISC valve preset operation.! Cover the throttle bodies to prevent anything from dropping into the engine. Remove the front seat and disconnect the battery. (Refer to Service Manual, Page 8-8) 2. Lift up the fuel tank. (Refer to Service Manual, Page 5-3) 3.

Remove the air cleaner box. (Refer to Service Manual, Page 5-14) REPLACEMENT PROCEDURE: 8. Install the new ECM in reverse order of removal. Apply thread lock to the upper plate mounting bolts when reinstalling the upper seat rail plate. Incoming search terms:. Installation To prevent accidental vehicle start-up, which could cause death or serious injury, remove maxi-fuse before proceeding.

(00251a) 1 WARNING 1 WARNING ® Kit Numbers 41279-04, 41282-04, 41463-05, 41467-05, 41633-05, 41634-05, 41640-05, and 41639-05 1 of 3 Figure 1. Rear Wheel Removal i02495 1. Axle (keep) 2. Axle adjuster (keep) 3. Axle nut (keep) 4. “E”-clip (keep) 5.

Spacer (3) (keep) 6. Torx screw (5) (replace) 7. Brake disc (keep) 8. Wheel assembly (replace) 9. Valve cap (keep) 10.

Compensator bowl (keep) 11. Compensator cushion (keep) 12.12 pt screw (5) (keep) 13. Lockwasher (5) (keep) 14. Sprocket assembly (keep) 1. Refer to the Service Manual and follow the MAXI-FUSE instructions to remove the right-side cover and maxi- fuse. Proceed to Step 2 for the wheel being replaced.

Rear Wheel 2. See Figure 1. Remove the rear wheel per the REAR WHEEL, REMOVAL instructions in the Service Manual. Disassemble, clean and inspect all parts to be re-used per Service Manual instructions. Re-assemble all saved components to the new chrome rear wheel assembly. See REAR WHEEL, ASSEMBLY in the Service Manual.

Do not re-use brake disc screws. Re-using disc screws can result in torque loss and damage to rotor and/or brake assembly. Fasten the brake disc to the valve stem side of the wheel using the Torx®screws from the kit.

Qt 50 Motorcycle Repair Manual Pdf

Install the compensator bowl with the 12-point screws and lockwashers saved earlier. Install the new wheel to the rear fork. Refer to REAR WHEEL, INSTALLATION in the Service Manual. Proceed to Step 7. Front Wheel 2. See Figure 2. Remove the front wheel per the FRONT WHEEL, REMOVAL instructions in the Service Manual.

Disassemble, clean and inspect all parts to be re-used per Service Manual instructions. Mark the left and right brake discs so they can be re-installed to the same location.

Re-assemble all saved components to the new chrome front wheel assembly. See FRONT WHEEL, ASSEMBLY in the Service Manual.

Do not re-use brake disc screws. Re-using disc screws can result in torque loss and damage to rotor and/or brake assembly.

Using the Torx ® shoulder bolts from the kit, and the saved spring washers fasten the brake discs to the same side of the wheel from which they were removed. Install the new wheel to the front forks per the FRONT WHEEL, INSTALLATION instructions in the Service Manual.

Proceed to Step 7. Front and Rear Wheels 7. Refer to the Service Manual and follow the MAXI-FUSE instructions to replace the maxi-fuse and right-side cover. After servicing brakes and before moving motorcycle, pump brakes to build brake system pressure. Insufficient pressure can adversely affect brake performance, which could result in death or serious injury. (00279a) After servicing the brake system, test brakes at low speed. If brakes are not operating properly, testing at high speeds can cause loss of control, which could result in death or serious injury.

(00289a) Maintenance and Cleaning Chrome parts must be maintained regularly to ensure that they keep their original shine and luster. Clean heavily-soiled wheel surfaces using Harley Wheel and Tire Cleaner, part number 94658-98, applied with Harley Wheel and Spoke Brush, part number 43078-99. Thoroughly clean chrome with a good quality chrome cleaner, such as Harley Bright Chrome Cleaner, part number 94683-99. After cleaning and polishing, seal the finish with a good quality sealer such as Harley Glaze Polish and Sealant, part number 99701-84 Incoming search terms:. REMOVAL Prepare for Service 1. Position motorcycle on a suitable lift.

NOTE If vehicle is equipped with Harley-Davidson Smart Security System, see owner’s manual for instructions to disarm the system. To prevent accidental vehicle start-up, which could cause death or serious injury, disconnect negative (-) battery cable before proceeding. Disconnect battery cables, negative (-) battery cable first.

Remove seat according to the instructions in the service manual. Refer to service manual to remove left saddlebag and side cover. When servicing the fuel system, do not smoke or allow open flame or sparks in the vicinity. Gasoline is extremely flammable and highly explosive, which could result in death or serious injury. Remove fuel tank according to the instructions in the service manual. Remove Engine Components 1.

Manual

Remove existing air cleaner assembly. Discard backplate but save remaining parts. Refer to AIR CLEANER REMOVAL in service manual. Remove existing exhaust system. Refer to EXHAUST SYSTEM REMOVAL in service manual. Remove engine from chassis following the instructions in the service manual. Disassemble engine top end and bottom end.

Refer to appropriate ENGINE sections in service manual. Remove existing clutch diaphragm spring. Refer to CLUTCH REMOVAL in service manual. The procedures in this instruction sheet should be performed by one experienced in precision measuring techniques. Failure to meet tolerances called for in this instruction sheet can result in engine damage. (00511b) -J04793 1 2 is03517 1. O-ring counterbore 2.

Spigot bore Figure 1. Spigot Bore and O-Ring Counterbore Dimensions Table 1. Spigot Bore and O-Ring Counterbore Dimensions Depth Bore Description 1.625 +/- 0.010 in. (41.3 +/- 0.25 mm) 4.205 +/- 0.010 in. (107 +/- 0.25 mm) Spigot Bore 0.085 +/- 0.003 in. (2.16 +/- 0.08 mm) 4.415 +/- 0.002 in. (112 +/- 0.05 mm) O-Ring Counter- bore is03456 Figure 2.

Cylinder Wall MACHINE CRANKCASE Crankcase Boring Preparation NOTE During final assembly of the engine, Harley-Davidson recommends replacing the OE cylinder studs with Screamin’ Eagle High Tensile Studs (16505-01). Remove cylinder studs from the engine crankcase.

Mask off all bearings and oil holes to prevent debris and contaminants from entering those areas. Inspect and clean engine case mating surfaces. See Figure 6. Reassemble engine case with OE screws, except the top center screw between the cylinders, and tighten to specifications listed in service manual.

NOTE To prevent damage to crankcase boring tool, it is important to replace the top center screw with a modified top center screw (1093). This screw is included in the Crankcase Boring Tool Kit (94419-06) and can be purchased separately from a Harley- Davidson dealer. Install modified top center screw (1093) between the cylinders and tighten to 50-90 in-lbs (5.6-10.2 Nm). See Figure 1 and Table 1.

Machine crankcase cylinder spigot bore and O-ring counterbore to the dimensions shown. Modify Crankcase Incoming search terms:. INSTALLATION PROCEDURE 1. Secure motorcycle to a bike lift and raise the motorcycle. Remove stock rear shock from the motorcycle per standard Yamaha shop manual instructions. Place the shaft of the shock in V” blocks and secure this in a vice or press, applying firm pressure to the V” blocks to trap the shaft so it will not turn. Unscrew the upper shock mount eyelet from the shaft.

NOTE: The upper mount is a standard thread so you will rotate the mount counter-clockwise to unscrew it. Next, screw the New LA Choppers Shock Mount onto shock shaft using Loctite. Re-install shock spring, making sure it is locked in place with the retaining ring prior to slowly releasing the spring compressor.

Allow shock spring to expand against the retaining ring and machined washer. Reinstall shock onto the motorcycle per standard Yamaha shop manual instructions. WARNING: Installing a lowering kit will decrease initial ground clearance.

The motorcycle will be lower to the ground and care should be taken to avoid bottoming, especially over bumps or in turns. To maintain proper balanced geometry, the front and rear of the motorcycle should be lowered equally. Failure to properly install the lowering kit and operate the motorcycle after installation may result in serious injury or death to the rider. LIMITED GUARANTY: Because we cannot control the application of our products, buyer assumes risks for any and all damage caused to him or herself or any third party by virtue of any failure of these parts. Guaranty for such parts is limited to our replacement costs thereof. This guaranty is in lieu of all other guaranties or warranties express or implied, and all other such guaranties or warranties are hereby expressly disclaimed. By installation of these parts, buyer irrevocably agrees to the foregoing.

This Supplementary Service Manual has been prepared to introduce new service and data for the,YZF-R6T / YZF-R6TC. For complete service information procedures it is necessary to use this Sup- plementary Service Manual together with the following manual.

YZF-R6R / YZF-R6SR / YZF-R6RC / YZF-R6SRC SERVICE MANUAL: CHASSIS TIGHTENING TORQUES NOTE: 1. Insert the front wheel axle from the rightside and tighten it with the flange bolt from the left side to 91 Nm (9.1 m.kg, 66 ft.lb). In the order from the pinch bolt → pinch bolt → pinch bolt, tighten each bolt to 21 Nm (2.1 m.kg, 15 ft.lb) without perform ing temporary tightening. Check that the end face of the axle head and the end face of the fork side are flush- mounted. If they are out of alignment, make sure to fit them by adding the external force by hand or with a plastic hammer, etc. If the end face of the axle is not parallel to the end face of the fork, align them so that one point of the axle circumference is positioned on the end face of the fork. At this stage, it can be accepted if the end face of the axle becomes partially concave to the end face of the fork.

Qt 50 Motorcycle Repair Manual

In the order from the pinch bolt → pinch bolt → pinch bolt, tighten each bolt to 21 Nm (2.1 m.kg, 15 ft.lb) without performing temporary tightening. Removal of Original Transmission 1. Position motorcycle on a suitable lift. To prevent accidental vehicle start-up, which could cause death or serious injury, disconnect battery cables (negative (-) cable first) before proceeding.

(00307a) Disconnect negative (-) battery cable first. If positive (+) cable should contact ground with negative (-) cable connected, the resulting sparks can cause a battery explosion, which could result in death or serious injury.

Refer to the Service Manual and follow the instructions given to remove the seat and disconnect the battery cables, negative cable first. Refer to the TRANSMISSION CASE REMOVAL in the Service Manual and follow the instructions given to remove the components with the following steps. Refer to PRIMARY CHAINCASE COVER REMOVAL in the Service Manual and follow the instructions given to remove the primary chaincase cover. Wear safety glasses or goggles when removing or installing retaining rings. Retaining rings can slip from the pliers and could be propelled with enough force to cause serious eye injury.

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See the PRIMARY CHAIN and COMPENSATING SPROCKET REMOVAL in the Service Manual and use the instructions given to remove the primary drive assem- bly. Refer to the STARTER REMOVAL in the Service Manual and remove the the starter.

See the VEHICLE SPEED SENSOR section and unplug the vehicle speedometer sensor connection and remove the mounting bolt. Lift sensor from the transmission case and set aside for later re-installation. Refer to NEUTRAL SWITCH and disconnect the connectors from the neutral switch. Refer to PRIMARY CHAINCASE in the Service Manual and follow the instructions given to remove the primary chaincase housing. Refer to EXHAUST SYSTEM in the Service Manual and remove the exhaust.

See the REAR WHEEL REMOVAL and loosen but, do not remove rear axle to relieve drive belt tension and remove the belt from the sprocket from the transmission. Refer to OIL TANK REMOVAL in the Service Manual and follow the instructions given to drain, remove the oil tank and detach the vent, feed and return lines. Refer to CLUTCH CONTROL in the Service Manual and follow the instructions given to remove the clutch cover and disconnect the clutch cable end from the cover. Set the cable aside for later re-installation Incoming search terms:. REMOVAL To prevent accidental vehicle start-up, which could cause death or serious injury, disconnect negative (-) battery cable before proceeding.

Disconnect negative battery cable. See BATTERY MAINTENANCE in Service Manual. Remove primary cover, primary drive, and clutch. See DRIVE COMPONENTS in Service Manual. Remove primary chaincase according to the instructions in the Service Manual.

See Figure 2. Pull off the alternator rotor (1) using two bolts inserted through the holes in the rotor face. Remove the two T-27 TORX screws (2). Unplug the voltage regulator and remove the stator (3). See VOLTAGE REGULATOR in Service Manual.

Disassemble connector 46B (A). See DEUTSCH ELECTRICAL CONNECTORS in Service Manual. NOTE Contact cleaner, alcohol, or glass cleaner sprayed on rubber grommet (B) will provide lubrication when pulling it through crankcase hole. Move grommet (3) to one side and spray contact cleaner into gap. Repeat for other side.

Pull rubber grommet (B) through crankcase hole. Pull wires through crankcase hole. INSTALLATION 1. Insert wires through crankcase hole. See Figure 1. Push rubber grommet (B) through crankcase hole. If necessary, apply the same lubricant used during removal.

Insert wires into connector 46B (A). Mate connector 46. See VOLTAGE REGULATOR in Service Manual. Is03776 Figure 1. Voltage Regulator 5.

See Figure 2. Install the stator (3) on the crankcase and fasten in place using new TORX screws (2). Tighten to 55-75 in-lbs (6.2-8.4 Nm). Install the rotor (1) on the sprocket shaft. Apply Loctite Threadlocker 262 (red) to sprocket nut threads.

Tighten sprocket nut to 150-165 ft-lbs (203.4- 223.7 Nm). Install primary chaincase according to the instructions in the Service Manual.

Qt 50 Motorcycle Repair Manuals Pdf

Install clutch, primary drive, and primary cover. See DRIVE COMPONENTS in Service Manual. Connect negative battery cable. See BATTERY MAINTENANCE in Service Manual.