yamaha pw50 head bolt torque specs

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1981-1983 Yamaha Virago 750 & 920 Installation Instructions

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Filed Under (Yamaha) by admin on 11-02-2012

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Start by loosening the rear cylinder down tube bolt located on the top of the old mufflers center collector in front of the rear tire. 2. Remove both of the front cylinder exhaust pipe head nuts and set them to the side for reuse with the MAC exhaust system. 3. Remove the right side passenger’s foot peg. Set the foot peg aside as you will need to reinstall it. 4. Remove the left side passenger’s foot peg. Set this foot peg aside as it will also need to be reinstalled. Note: When you remove this bolt the entire exhaust system will be loose and may fall. You will need to support the old exhaust at this point to keep from injuring yourself. Gently move the old exhaust system side to side to remove it from the rear cylinder down tube. Once the exhaust system is loose from the down tube remove the system from under the Virago. 5. Remove the bolt holding the rear brake pedal in place and remove the brake pedal from the motorcycle. Note: Set both the bolt and the pedal aside for reinstallation. 6. Next loosen the nut on the drivers right foot peg, 1 full turn to start with. Then remove the rear nut on the same foot peg. (Note: The bolt that this nut is on goes completely through the motorcycle. This is the center stand mounting bolt.) Now remove the front nut and set both aside for reuse with the MAC system. 7. Install the center stand stop bracket under the left passenger foot peg. Install this bracket with the 90° bend facing down and towards the rear tire. (Note: Center stand sop bracket in provided in the hardware kit and is approx. 5″ long with a 90° bend in it.) Adjust the bracket by one of the large bolts through the foot peg then through the bracket and then install it into the stock location. Put on one of the washers and a nut and snug up the nut. Lower the center stand until the center stand come in to contact with the bottom of the bracket. Tighten the nut until it will hold the bracket securely. 8. Install the rear down tube clamp onto the rear muffler and install the medium sized nut/bolt/washer onto the clamp just finger tight. 9. Install the (2) small bolts into the channel bracket on the rear muffler. Install the rear mounting bracket onto the two bolts and then install the washers and nuts onto each. Tighten the (2) nuts only slight amount so that you can slide the bracket front to rear to insure that when you install the bracket you position it properly. 10. Slide the rear pipe onto the rear down tube about ¼”to ¾” past the pre-cut slots on the rear muffler pipe. Slightly snug the clamp making sure that the position of the bolt and nut will not interfere with any moving parts. The final position of this bolt can hit the tire if it is not positioned properly. 11. Install the other large bolt into the right passenger and then through the top hole in the rear muffler mounting bracket. Insert the bolt into the stock location and install the washer and the nut. 12. Align the rear muffler and you can then tighten the nuts on the rear muffler mounting bracket, the cylinder down tube and the right side passenger foot peg.
13. Install the front muffler on the rear most mounting bolt of the drivers foot peg and put the stock nut back onto the bolt. Hand tighten the bolt only at this time. Note: Install the nut at this time is only to support the muffler and to insure that the pipe does not fall on the ground while you complete the next step. 14. Lift the front head pipe into position and start the stock nuts onto the studs. It is strongly recommended that you install new exhaust gasket at this time. Note: The new exhaust gaskets are not included in the kit but are available at your local Yamaha Dealer. After gaskets are installed hand tighten the front head pipe. 15. Remove the nut from the drivers foot peg bolt and reinstall the drivers foot peg. Note: Hand tighten only at this time. 16. Finish tightening the nuts on the front head pipes. (Install these nuts according to Yamaha’s Factory specifications.) Once the nuts are tightened on the head pipe you can then tighten the drivers foot peg nuts. 17. Reinstall the rear brake pedal and tighten the bolt that holds it on to factory specifications. 18. Check all of the bolts that you have installed of removed to insure that they are tight. 19. Start the motorcycle and check for any leaks. 20. You are finished with your new MAC Exhaust System.

Yamaha Road Star 1600/ 1700 Exhaust kit bill of materials Installation Instructions

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Filed Under (Yamaha) by admin on 08-11-2010

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1. Remove left side cover, by removing allen bolt as shown (Fig 1). Once bolt is removed, push cover to motor and push back carefully to your upper body. Figure 1 2. Once left side cover is removed, remove 6mm bolt to opposite side cover as shown (Fig. 2). Also remove allen bolt on right side as shown (Fig 3) and remove carefully . Figure 2 Figure 3 . Remove two allen bolts to the muffler bracket, and also loosen hose clamp to bottom head pipe. (Fig 4 & 5) Figure 4 Figure 5 4. Remove bolt next to rear O/2 sensor bracket as shown (Fig 6), also remove Phillips head bolt from O/2 bracket and slide O/2 sensor off bracket as shown (Fig 7). Once bracket is removed mount just bracket on with Phillips head bolt back on. Figure Figure 7 5. Disconnect O/2 by using a pick on inside switch on opposite side of O/2 bracket. With pick on inside push to you and unplug. (Fig 8 & 9) Figure 8 Figure 9 6. Remove two socket cap nuts from rear head pipe flange as shown (Fig 10). Once removed, remove both mufflers and rear head pipe carefully. Slide muffler back and shift rear head pipe to you. (Fig 11) Figure 10 Figure 11 7. Slide wire off bracket from the front O/2 sensor as shown (Fig 12). Also use pick to remove O/2 sensor, push to you and unplug. Figure 12 Figure 13
8. Remove two allen bolts from foot rest/ brake to give you access to head pipe. (Fig 14) Figure 14 9. Remove two allen socket cap nuts off front head flange and remove head pipe. (Fig 15) Figure 15 10. Remove stock muffler bracket by removing two alien bolts as shown (Fig 16). Also remove bolt that holds stock bracket to the brake line (Fig 17). Once that is done remove brake line from caliper and slide though muffler bracket and re-install. Figure 16 Figure 17
Assembly 11. Remove O/2 sensor from stock pipe and install O/2 sensor in Roadhouse front head pipe and mount front head pipe with stock socket cap nuts on bike as shown. (Fig 18 & 19) Figure 18 Figure 19 12. Mount rear head pipe as shown (Fig 20), including stock socket cap nuts. Also mount y-collector with rear head pipe. Y-collector must slide into front head pipe in one. Install Roadhouse O/2 sensor wire lead from hardware kit into y-collector. (Fig 21) Figure 20 Figure 21

HARLEY DAVIDSON GLOSS BLACK HEAD BOLT COVERS INSTALLATION MANUAL

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Filed Under (Harley Davidson) by admin on 25-02-2011

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This kit fits 1992 and later Evolution 1340 and XL models and 1999 and later Twin Cam-equipped models. INSTALLATION Perform this installation when the engine is cool. Working on or near the exhaust system when the engine is hot could result in severe burns. (00311a) 1. Remove spark plugs. 2. See Figure 1. Install head bolt covers (1), on head bolts (3), secure using setscrew (2) and Allen wrench included with kit. To prevent setscrews from falling into the spark plug holes, start threading the setscrews into the covers before placing them over the head bolts. Position cover on head bolt so that when spark plug is reinstalled setscrew is hidden from view but accessible with Allen wrench. Do not tighten setscrews on high points of bolts. 3. Reinstall spark plugs. Tighten spark plugs to 11-18 ftlbs (15-24 Nm) . If a torque wrench is not available, finger- tighten spark plug and then, using a spark plug wrench, tighten plug an additional 1/4 turn. 4. Readjust setscrew tightness after motor has operated at full operating temperature and then cooled. 2 1 3 is 001586 1. Head bolt cover 2. Setscrew 3. Head bolt Figure 1. Head Bolt Cover Installation

YAMAHA YZF-R1P YZF-R1PC ASSEMBLY MANUAL

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Filed Under (Yamaha) by admin on 26-02-2011

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PREPARATION To assemble the motorcycle correctly, supplies and working space are required. Supplies oils, greases, shop rags. Workshop The workshop where the motorcycle is assembled should be clean and large. The floor should be level. Self-protection Protect your eyes with suitable safety spectacles or safety goggles when using compressed air, when grinding or when doing any operation which may cause particles to fly off. Product hands and feet by wearing safety gloves or doing. SYMBOLS USED ON CRATE CARTON Contents of the transport package are fragile therefore it shall be handled with care. Indicates correct upright position of the transport package. Transport package shall be kept away from rain. Insertion of the lift arm from this side is prohibited. Lift arm inserting position. -1- UNPACKING 1. Remove the frame cover 1. NOTE: To remove the frame cover, cut the vinyl bands around the cover using a cutter or scissors. 2. Remove the bolts 2 (upper bracket). 3. Remove the bolt 3 (front tire). 4. Remove the packing frames 4 (upward and sideways). NOTE: Remove the bolts while holding frame. NOTE: Before starting the assembly, check for damaged or missing parts. The parts are contained in the cartan and the motorcycle for damage, scratches and other defects. -2- PARTS LOCATION 1 Carton box -3- 1 Carton box Screw, washer and special nuts (windscreen) Bolt (front master cylinder) Bolt (handle crown and handlebar) Nut (rear view mirror) Nut (front reflector) Front reflector Vinyl bag 1 Plugs (handle crown) Owner’s manual Rear view mirrors Windscreen – -5- 1. Handlebar 1 2 3 4 5 6 1 1 1 1 2 1 Reservoir tank (brake) Hexagon socket bolt Crown nut Hexagon socket bolt Cap Hexagon socket bolt * V * V V * d = 6 (0.24), r= 12 (0.47) d = 6 (0.24), r= 25 (0.98) d = 8 (0.31), r= 30 (1.18) 2. Front reflector A: Tighten the crown nut to specified torque. Tightening torque: 115 Nm (11.5 m • kg, 85.0 ft • lb) B: Tighten the bolt to specified torque. Tightening torque: 13 Nm (1.3 m • kg, 9.4 ft • lb) C: Tighten the bolt to specified torque. Tightening torque: 13 Nm (1.3 m • kg, 4.4 ft • lb) A: Tighten the screws to specified torque. Tightening torque: 40 Nm (4.0 m • kg, 29 ft • lb) 1 2 3 4 5 2 2 2 4 4 Reflector bracket Reflector Nut Washer Caliper bolt * V V * * d = 5 (0.20) d = 10 (0.39) d = 10 (0.39), r= 30 (1.18) 3. Clutch cable 1 Clutch cable 1 * A: Check the clutch lever for smooth action. CAUTION: Proper cable routing is essential to assure safe motorcycle operation. Refer to “CABLE ROUTING

Kawasaki 900/1100 Billet Head Installation And REMOVAL Instructions

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Filed Under (Kawasaki) by admin on 25-10-2010

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1) Remove stock head and clean the top surface of the cylinder. 2) Remove the stock water fitting from the stock head and install it in the ADA Racing® billet head in the center cylinder location. Install the 1/8″ npt brass plugs in the 2 outer cylinder locations. 3) Install all o’rings in the ADA Racing® billet head, use small amounts of grease to hold them in place, do not use super glue or silicone. 4) Apply a small amount of grease to the small (OR020) o’ring at the top of the dome. This will allow the dome to easily slip into the head shell. Be careful when turning the head upside down to install onto the cylinder, as the domes can slide out of the head shell. 5) Make sure all the o’rings are in place and place the head on top of the cylinder with the water outlet on the intake side. You must be sure that none of the o’rings slip out of their groove, as this will cause an o’ring to get pinched and a water or compression leak could result. 7) Torque all of the nuts to 15ft/lbs, in a center-out criss-cross pattern. Now, torque them again to 18ft/lbs. 8) After the 1st time out riding the head should be re-torqued. 9) The 2 additional 1/8″ npt holes in the ADA Racing® billet head come with brass plugs, but barbed fittings can be installed for custom water routing applications.

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