Yamaha Yzf R1 2007 Manual
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FRONT WHEEL 4-9 Disassembling the front wheel Order Job/Parts to remove Q’ty Remarks 1 Oil seal (left and right) 2 2 Wheel bearing (left and right) 1 3Spacer 1 For assembly, reverse the disassembly pro- cedure.
FRONT WHEEL 4-10 EAS21900 REMOVING THE FRONT WHEEL 1. Stand the vehicle on a level surface. WARNING EWA13120 Securely support the vehicle so that there is no danger of it falling over. NOTE: Place the vehicle on a suitable stand so that the front wheel is elevated. 2. Remove: Left brake caliper Right brake caliper NOTE: Do not apply the brake lever when removing the brake calipers. 3. Elevate: Front wheel NOTE: Place the vehicle on a suitable stand so that the front wheel is elevated. 4. Loosen: Front wheel axle pinch bolt 5. Remove: Front wheel axle bolt Front wheel axle Front wheel EAS21920 CHECKING THE FRONT WHEEL 1. Check: Wheel axle Roll the wheel axle on a flat surface. Bends → Replace. WARNING EWA13460 Do not attempt to straighten a bent wheel axle. 2. Check: Tire Front wheel Damage/wear → Replace.Refer to CHECKING THE TIRES on page 3-32 and CHECKING THE WHEELS on page 3-34. 3. Measure: Radial wheel runout “1” Lateral wheel runout “2” Over the specified limits → Replace. 4. Check: Wheel bearings Front wheel turns roughly or is loose → Replace the wheel bearings. Oil seals Damage/wear → Replace. 5. Replace: Wheel bearings Oil seals ▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼ a. Clean the outside of the front wheel hub. b. Remove the oil seals “1” with a flat-head screwdriver. NOTE: To prevent damaging the wheel, place a rag “2” between the screwdriver and the wheel sur- face. Radial wheel runout limit 1.0 mm (0.04 in) Lateral wheel runout limit 0.5 mm (0.02 in) New New
FRONT WHEEL 4-11 c. Remove the wheel bearings “3” with a gen- eral bearing puller. d. Install the new wheel bearings and oil seals in the reverse order of disassembly. CAUTION: ECA14130 Do not contact the wheel bearing inner race “4” or balls “5”. Contact should be made only with the outer race “6”. NOTE: Use a socket “7” that matches the diameter of the wheel bearing outer race and oil seal. ▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲ EAS21970 ADJUSTING THE FRONT WHEEL STATIC BALANCE NOTE: After replacing the tire, wheel or both, the front wheel static balance should be adjusted. Adjust the front wheel static balance with the brake disc installed. 1. Remove: Balancing weight(s) 2. Find: Front wheel’s heavy spot NOTE: Place the front wheel on a suitable balancing stand. ▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼ a. Spin the front wheel. b. When the front wheel stops, put an “X 1” mark at the bottom of the wheel. c. Turn the front wheel 90° so that the “X 1” mark is positioned as shown. d. Release the front wheel. e. When the wheel stops, put an “X 2” mark at the bottom of the wheel. f. Repeat steps (d) through (f) several times until all the marks come to rest at the same spot. g. The spot where all the marks come to rest is the front wheel’s heavy spot “X”. ▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲ 3. Adjust: Front wheel static balance ▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼ a. Install a balancing weight “1” onto the rim exactly opposite the heavy spot “X”.
FRONT WHEEL 4-12 NOTE: Start with the lightest weight. b. Turn the front wheel 90° so that the heavy spot is positioned as shown. c. If the heavy spot does not stay in that posi- tion, install a heavier weight. d. Repeat steps (b) and (c) until the front wheel is balanced. ▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲ 4. Check: Front wheel static balance ▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼ a. Turn the front wheel and make sure it stays at each position shown. b. If the front wheel does not remain station- ary at all of the positions, rebalance it. ▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲ EAS22000 INSTALLING THE FRONT WHEEL The following procedure applies to both of the brake discs. 1. Lubricate: Wheel axle Oil seal lips 2. Lift the wheel up between the fork legs. 3. Insert the wheel axle. NOTE: Install the tire and wheel with the mark “1” pointing in the direction of wheel rotation. 4. Lower the front wheel so that it is on the ground. 5. Tighten: Front wheel axle bolt Front wheel axle pinch bolt CAUTION: ECA4C81001 Before tightening the wheel axle, push down hard on the handlebar(s) several times and check if the front fork rebounds smoothly. 6. Install: Front brake calipers Recommended lubricant Lithium-soap-based grease Front wheel axle bolt 91 Nm (9.1 m·kg, 66 ft·lb) Front wheel axle pinch bolt 21 Nm (2.1 m·kg, 15 ft·lb) Front brake caliper bolt 35 Nm (3.5 m·kg, 25 ft·lb)
FRONT WHEEL 4-13 WARNING EWA13490 Make sure the brake cable is routed prop- erly. NOTE: Make sure that there is enough space between the brake pads before installing the brake cali- pers on to the brake discs.
REAR WHEEL 4-14 EAS22020 REAR WHEEL Removing the rear wheel Order Job/Parts to remove Q’ty Remarks 1 Rear brake caliper 1 2 Locknut (left and right) 2 Loosen. 3 Adjusting bolt (left and right) 2 Loosen. 4 Rear wheel axle nut 1 5 Washer 1 6 Rear wheel axle 1 7 Left adjusting block 1 8 Right adjusting block 1 9 Rear wheel 1 10 Rear brake caliper bracket 1 For installation, reverse the removal proce- dure.
REAR WHEEL 4-15 Removing the brake disc and rear wheel sprocket Order Job/Parts to remove Q’ty Remarks 1 Rear brake disc 1 2 Rear wheel sprocket 1 3 Collar 2 4Dust cover 2 5 Oil seal 1 6 Bearing 1 7 Rear wheel drive hub 1 8 Rear wheel drive hub damper 6 9 Rear wheel 1 For installation, reverse the removal proce- dure.
REAR WHEEL 4-16 Disassembling the rear wheel Order Job/Parts to remove Q’ty Remarks 1 Collar 1 2 Bearing 1 3Spacer 1 4 Oil seal 1 5 Circlip 1 6 Bearing 1 For assembly, reverse the disassembly pro- cedure.
REAR WHEEL 4-17 EAS22040 REMOVING THE REAR WHEEL 1. Stand the vehicle on a level surface. WARNING EWA13120 Securely support the vehicle so that there is no danger of it falling over. NOTE: Place the vehicle on a suitable stand so that the rear wheel is elevated. 2. Remove: Brake caliper “1” NOTE: Do not depress the brake pedal when remov- ing the brake caliper. 3. Loosen: Locknut “1” Adjusting nut “2” 4. Remove: Wheel axle nut “1” Wheel axle Rear wheel NOTE: Push the rear wheel forward and remove the drive chain from the rear wheel sprocket. 5. Remove: Left collar “1” Rear wheel drive hub “2” Rear wheel drive hub damper Right collar EAS22090 CHECKING THE REAR WHEEL 1. Check: Wheel axle Rear wheel Wheel bearings Oil seals Refer to CHECKING THE FRONT WHEEL on page 4-10. 2. Check: Tire Rear wheel Damage/wear → Replace. Refer to CHECKING THE TIRES on page 3-32 and CHECKING THE WHEELS on page 3-34. 3. Measure: Radial wheel runout Lateral wheel runout Refer to CHECKING THE FRONT WHEEL on page 4-10.
REAR WHEEL 4-18 EAS22110 CHECKING THE REAR WHEEL DRIVE HUB 1. Check: Rear wheel drive hub “1” Cracks/damage → Replace. Rear wheel drive hub dampers “2” Damage/wear → Replace. EAS22120 CHECKING AND REPLACING THE REAR WHEEL SPROCKET 1. Check: Rear wheel sprocket More than 1/4 tooth “a” wear → Replace the rear wheel sprocket. Bent teeth → Replace the rear wheel sprocket. 2. Replace: Rear wheel sprocket ▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼ a. Remove the self-locking nuts and the rear wheel sprocket. b. Clean the rear wheel drive hub with a clean cloth, especially the surfaces that contact the sprocket. c. Install the new rear wheel sprocket. NOTE: Tighten the self-locking nuts in stages and in a crisscross pattern. ▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲ EAS22150 ADJUSTING THE REAR WHEEL STATIC BALANCE NOTE: After replacing the tire, wheel or both, the rear wheel static balance should be adjusted. Adjust the rear wheel static balance with the brake disc and rear wheel drive hub installed. 1. Adjust: Rear wheel static balance Refer to ADJUSTING THE FRONT WHEEL STATIC BALANCE on page 4-11. EAS22160 INSTALLING THE REAR WHEEL 1. Lubricate: Wheel axle Wheel bearings Oil seal lips 2. Adjust: Drive chain slack Refer to ADJUSTING THE DRIVE CHAIN SLACK on page 3-26. 3. Tighten: Rear wheel axle nut Rear brake caliper bolts b. Correct 1. Drive chain roller 2. Rear wheel sprocket Rear wheel sprocket self-lock- ing nut 100 Nm (10 m·kg, 72 ft·lb) Recommended lubricant Lithium-soap-based grease Drive chain slack 30.0–40.0 mm (1.18–1.57 in)