what sizr bolts are used for chain tension adjustment on 2014 yzfr125

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MOTORCYCLE ROLLER CHAIN Maintenance and Lubrication

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Filed Under (Tips and Review) by admin on 27-11-2010

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Cleaning and Relubrication Perhaps the largest contributor to shortened chain life is inadequate lubrica- tion. All working parts of a chain should be lubricated uniformly. The use of the highest viscosity oil that allows for flow between the link plates and coats pin-bushing areas will normally provide the greatest wear resistance. Apply oil to the upper edges of link plates. This allows for the greatest access of oil to pin-bushing joints. For open drives, excess lubrication on outer chain surfaces should be removed, since it will either be thrown off during operation or serve to collect foreign materials. If foreign objects or surplus lubrication accumulates on chain surfaces to the extent of making re-lubrication of the joints impossible, the chain must be cleaned. Standard roller chains may be cleaned by washing in kerosene or any other good petroleum-based solvent. WARNING: These solvents are flammable. Agitate the chain to assure penetration of the solvent and a thorough flushing of the pin-bushing areas. Drain off excess solvent and inspect bushings and pins for wear. Replace the chain if wear is excessive or parts are fractured or missing. O-ring chains may be cleaned externallyby washing in kerosene. Do not use any other cleaning agent or the O-rings may be damaged. When cleaning O- ring chain, clean only the external areas of the chain. Do not attempt to force kerosene into the pin-bush cavity. Do not try to repair a worn-out chain by replacing individual links. The pitch of the new links will be shorter and will most likely result in chain fatigue failure and/or severe sprocket damage. For chains which are still usable, soak them in SAE 40 or 50 automotive engine oil (without additives). Flexing the chain in oil will assure greater penetration of lubricant. Inspect and clean sprockets. If sprockets are worn or damaged, they should be replaced.Installing new chain on worn out sprockets will significantly shorten the chain’s service life. WARNING: always wear eye protection when assembling or disassembling chain

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How to Replacing Rear Main Seal 1

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Filed Under (Tips and Review) by admin on 24-11-2010

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The next day I woke up early and drank lots of coffee before going out to the garage. I knew I had two distinct problems confronting me. First, I would have to purchase an impact tool in order to loosen the six bolts holding the clutch together. Also, I would have to purchase at least three 8mm by 50mm bolts and nuts in order to prevent the clutch from exploding when the six bolts were unscrewed. For the third time in two days, I went to Sears and asked the salesman, (who I now I knew as Art,) where I could find an impact tool. He did not know what it was I was looking for, but he asked another employee and soon I had the tool as well as a 6mm Allen socket. Unfortunately, the Allen socket only came in 3/8″ drive, and the impact tool only came in 1/2″ drive. Thinking quickly, I purchased a 1/2″ to 3/8″ adapter, as well as a 3lb. dead- blow hammer. On the way home, I stopped at a Chief Auto Parts to buy the bolts I would need. The closest size they had were 8mm by 40mm, which was nearly 10mm too short. I was unsure whether the clutch cover bolts were coarse thread or fine thread, so I bought three of each, along with corresponding nuts. Finally, around 11 o’clock in the morning, I was back at the garage ready to work. I prepared the impact tool and placed the adapter and the Allen socket on it. I began to hammer on the end of the tool, trying to loosen each of the six bolts. None of them seemed to move, even though it seemed the impact tool was turning. Finally, I put the Allen socket on the breaker bar and found that all of the bolts had actually come loose. The tension from the clutch spring made it nearly impossible to see, however. I removed three of the bolts in a triangular pattern. Into these empty holes I threaded the fine- thread 40mm bolts with nuts attached and tightened them evenly. I was now able to remove the remaining Allen bolts. By slowly turning and loosening the nuts evenly on the 40mm bolts, I relieved the pressure from the clutch spring until the cover plate was free. I removed the cover plate, the clutch, the pressure plate, and finally the clutch spring. I had already marked each of the elements with Whiteout to insure that they would fit together the same way on installation. Apparently, this is essential as the flywheel could be rendered out-of-balance if the clutch components are not installed correctly. The flywheel itself was now exposed. I could see the five bolts that attached it to the crankshaft. I now used a tool I had fabricated. Although the manual describes two possible tools that can be fabricated, I found a piece of metal that resembled the tool and decided to use it. Unfortunately it was not strong enough and broke. I turned and looked at my workbench, and noticed a bracket which I had previously fabricated for mounting a mirror on my Vespa. The piece of steel was extremely strong and was already pre-drilled with correct-sized holes. It fit perfectly, so I placed it over the exposed bolt which protruded from the case, and placed the other end on one of the 40mm bolts, which I then bolted into the flywheel itself. I used the breaker bar again and removed the five bolts. The flywheel came loose after inserting two more 40mm bolts and tugging on them evenly

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Harley-Davidson CHAIN DRIVE INSTALLATION INSTRUCTIONS

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Filed Under (Harley Davidson) by admin on 15-04-2012

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1) Assemble & install the chain tensioner assembly over the primary chain as shown in figure 1. 2) Install the compensator sprocket with extender & spacer (numbers 5, 6, & 7, FIG 2)(#7 is not included in this kit), primary chain, chain tensioner, and clutch basket simultaneously onto the motor drive shaft & transmission main shaft. Rotate the chain drive slightly as needed to allow the splines to line-up. 3) Install the chain tensioner nut loosely on the chain tensioner bolt. 4) Install the sliding cam onto the compensator sprocket, & slide the compensating sprocket cover-assembly (#3) over the cam. 5) Apply 2 drops of Rivera “Red” thread-lock on the threads of the motor drive shaft, & install the motor nut loosely with the fingers at this time. The hex spacer (#7) and spacer (#2) as seen in fig.2 are not provided in Rivera Engineering’s chain drive kit. These components are required with some applications, and can be purchased from your local Harley-Davidson dealer. FIG 2 6) Apply 2 drops of Rivera “red” thread-lock on the threads of the transmission main-shaft and loosely install the clutch hub nut (left hand threads). 7) Place the HD “Primary Drive Locking Tool” HD-41214 on the primary chain as shown in figure XXX and tighten the motor sprocket nut to 150-165 foot-pounds. 8)Turn the locking tool 180 degrees and move it to the clutch sprocket. Tighten the clutch hub nut to 70-80 foot pounds (left- hand thread). Adjust chain tension so that the top strand has 5/8″- to-7/8″ of up and down play (cold drive train). Tighten the center bolt nut to 21-29 foot pounds of torque.

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Yamaha YZ400/426F Camshafts REMOVAL AND INSTALLATION MANUAL

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Filed Under (Yamaha) by admin on 01-01-2012

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Cleanliness is always a good place to start. Make sure the motorcycle is cleaned thoroughly before you start. It would be advisable to use an engine degreaser on the frame and the engine. This will ensure a clean engine during the assembly process and less of a chance of thread damage and/or dirt contamination in the engine during reassembly. And as always, replace any fiber-based gasket that was moved in any way, i.e.: cam chain tensioner. You will need basic hand tools and a torque wrench, machine towels (rags), some cleaning solvent, and a cam chain tensioner gasket. And the Hot Cams’ Degree Wheel Kit if you so desire. We will start by removing the tank and seat, top engine mount, and the cam cover. Remove the crankshaft cap and timing hole cap on the left engine case cover. Remove the spark plug. Rotate the engine in a counter clockwise (CCW) direction. Position the engine on top dead center (TDC) using the mark on the flywheel or better yet a degree wheel using a positive stop. Be sure to notice that the intake valves were the last to move, this will ensure the engine of being on “true” TDC. True top dead center occurs when both the intake and exhaust valve are closed when the piston is at TDC. This is technically the end of the compression stroke and the Page 1
beginning of the power stroke. The “artificial” TDC is during the overlap when both the intake and exhaust valves would be open. Note the positioning of the cam lobes (their included angle will be close to 170 degrees), this will help during the installation of your new Hot Cams camshafts Remove the cap bolt on the end of the cam chain tensioner block, be aware of the copper washer. Release the spring tension on the cam chain tensioner by turning the flat blade screw slot inside the adjuster block in a clockwise (CW) direction; it will lock in the retracted position. Remove the two 8mm headed bolts that hold the cam chain tensioner to the cylinder block. Remove and discard the gasket. Remove the 4 bolts that hold the exhaust cam cap in place, lift the cam cap off. It may be necessary to pry very lightly on the cap to lift it off its dowel pins. Do not use the cam lobes as the pry point. Be careful not to drop the dowels and also be careful to not lose the half moon shaped retainer for the bearing under the cam cap. Remove the 6 bolts that secure the intake cam cap and lift the cam cap off the camshaft, again, be careful to not drop the retainer or dowels. Lift the intake camshaft out of its pocket in the cylinder head casting. Remove the cam chain from the sprocket, set the stock camshaft aside. Lift the exhaust camshaft out of its pocket in the cylinder head casting and remove the chain from the sprocket. Do not drop the cam chain, dangle it over the side of the engine while keeping slight upward pressure on the chain to maintain its position on the drive sprocket on the crankshaft

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Yamaha YZ 250F Camshafts REMOVAL AND INSTALLATION MANUAL

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Filed Under (Yamaha) by admin on 30-12-2011

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Remove the 4 bolts that hold the exhaust cam cap in place, lift the cam cap off. It may be necessary to pry very lightly on the cap to lift it off its dowel pins. Do not use the cam lobes as the pry point. Be careful not to drop the dowels and also be careful to not lose the half moon shaped retainer for the bearing under the cam cap. Remove the 6 bolts that hold the intake camshaft cap and lift the cam cap off the camshaft, again, be careful to not drop the retainer or dowels. Lift the intake camshaft out of its pocket in the cylinder head casting. Remove the cam chain from the sprocket, set the stock camshaft aside. Lift the exhaust cam out of its pocket in the cylinder head casting and remove the chain from the sprocket. Do not drop the cam chain, dangle it over the side of the engine while keeping slight upward pressure on the chain to maintain its position on the drive sprocket on the crankshaft. Fit the half moon shaped retainers in the grooves of the Hot Cams camshaft bearings to ensure good fit, set retainers aside for the time. Using assembly lube, lube the shim buckets, bearing surfaces for the camshafts in the cylinder head, and pack some in the camshaft bearings. Set the exhaust cam into the cylinder head casting while at the same time fitting the cam chain over the sprocket. Make sure that you keep all the cam chain slack to the back of the engine. The cam chain pulls the camshaft sprockets in a counter clockwise direction and the slack of the chain must be kept on the cam chain tensioner side of the engine. The exhaust cam has two timing marks on it. When correctly installed one mark will be at the 9 o’clock position and the other mark will be at the 12 o’clock position. When correctly timed the mark at 9 o’clock will be aligned with the valve cover gasket surface. Repeat the above process for the intake camshaft. Again, make sure you keep the chain slack to the cam chain tensioner side of the engine. Check to be sure the crankshaft is still at TDC. The intake cam has two timing marks also. One at 12 o’clock and the other at 3 o’clock. When both cams are installed correctly, the valve cover gasket surface will form a straight line through the exhaust timing mark at 9 o’clock and the intake timing mark at 3 o’clock

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Rokon Illustrated Repair Procedures and Parts Manual

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Filed Under (Rokon) by admin on 20-11-2010

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Front and Rear Brake. Check brake action. Check pucks to see that they are not over worn. There should be visible brake material on both sides of the brake disc. See Section 6. Fuel Tank. Check fuel level. Fill as necessary. Use super unleaded for altitudes above 10,000 ft. Engine Oil. The engine holds .6 qt. of SAE10W30/40 motor oil. Fill to the dipstick “full” line. Miter Box and Transmission. They are filled at the factory and need not be checked at the start. The miter box should have 2.5 oz. of EP 80W90 gear lube oil. The transmission takes 6 oz. of EP 80W90 gear lube oil. The transmission has a fill to plug near the bottom of the transmission( shown on page 46). There is no fill level for the miter box. Over filling of either the miter box or transmission will result in leakage. Throttle. Check for proper throttle cable operation. Look for smooth response to twist action. Wheels and Tires. Check Tire pressure, wear and damage. Fittings and Fasteners. Check all fittings and fasteners. Drive Chains. Check chains for tension and lubrication. Adjust tension for 1/2″ – 3/4″ deflection at mid point. Engine Manual. Read your engine manual completely and follow all instructions Periodic Maintenance and Adjustment 1. Inspect all fasteners for tightness. 2. The drive chains require adjustment at intervals, depending on the mileage and the care which the operator has given the chains. Initial wear must be taken up by adjustment after the first few hours of use. Total deflection should be 1/2″ to 3/4″ when measured midway between the two sprockets of the most loose position. To adjust the chains, loosen the axle bolts and the adjusting bolt lock nuts, and turn the adjusting bolts equally in or out as required to give the chain the proper setting. After adjusting the chain, rotate the wheel and check to make sure the chain is aligned properly. Periodically, the chains should be removed from the machine and cleaned in solvent and re-lubricated. They should be lubricated with one of the chain lubricants on the market which can be applied to the chain in a liquid form and will penetrate to the inner parts of the rollers. 3. Clean the air filter based on use. See Engine Manual. 4. Use normal repair procedures for tires and tubes. Re-seat the tire beads with 40 PSI , then deflate to the 3 -5 PSI operating pressure.

Kawasaki KFX KLX 400 Camshafts Installation Instructions

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

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Remove the plug bolt from the back of the cam chain tensioner assembly. It is under pressure from the spring. Remove the spring and pin. Remove the bolts and tensioner assembly from the cylinder. Release the lock on the tensioner assembly and push the tensioner rod into the assembly so that it is fully retracted. Remove the eight 5mm Allen headed bolts that hold the cam caps in place. Remove the cam caps; be aware of the locating dowels in the caps to keep them from falling into the engine. It may be necessary to pry very lightly on the caps to lift them off their dowel pins. Do not use the cam lobe as the pry point. Lift the intake camshaft out of its pocket in the cylinder head casting. Remove the cam chain from the sprocket, set the stock camshaft aside. Lift the exhaust cam out of its pocket in the cylinder head casting and remove the chain from the sprocket. Do not drop the cam chain; dangle it over the side of the engine while keeping slight upward pressure on the chain to maintain its position on the drive sprocket on the crankshaft. Using assembly lube, lube the shim buckets and bearing surfaces for the camshafts in the cylinder head. Set the exhaust camshaft into the cylinder head casting while at the same time fitting the cam chain over the sprocket. Make sure that you keep all the cam chain slack to the back of the engine. Repeat the above process for the intake camshaft. Again, make sure you keep the chain slack to the cam chain tensioner side of the engine. Check to be sure the crankshaft is still at TDC. Check the location of the cam lobes. The camshafts are marked, and preset to 108-degree centers. If the lobes are not where they should be, adjust the positioning of the camshaft by rotating the sprocket one tooth on the chain. Do this until it is in the correct position as before you removed the camshafts. Check the positioning of the crankshaft for the TDC mark

HARLEY DAVIDSON PREMIUM SUSPENSION KIT REMOVAL AND INSTALLATION MANUAL

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Filed Under (Harley Davidson) by admin on 09-03-2011

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REMOVAL Front Fork Assembly 1. Refer to the XR model section of the service manual and remove the front forks. INSTALLATION Front Fork Assembly 1. Install front forks from kit to motorcycle according to service manual instructions but do not tighten the fork bracket pinch screws at this time. 2. See Figure 1. Measure the distance from the top of upper fork bracket to top of fork assembly. Both sides must be exactly the same and measure 0.388-0.468 inch (9.85- 11.89 mm) above the top fork bracket. Align the adjustment screws inline with the handlebars (see Figure 5). is06083a Figure 1. Fork Installation Height Measurement. NOTE If new pinch screws are not readily available, use a wire grinder wheel to remove all remaining lock patch from original pinch screws, wash screws in clean solvent and dry thoroughly. Apply two drops of LOCTITE® 262 to the first 1/4 in. (6.35 mm) of the end threads. 3. Install pinch screws to upper and lower fork brackets. 4. Verify fork tube installation measurement is 0.388-0.468 inch (9.85-11.89 mm). 5. Tighten pinch screws to 30-35 ft-lbs ( (40.7-47.5 Nm)) See Figure 2. The top edge of reflector should be 1-1/2 inches (38.10 mm) below the lower edge of the bottom fork clamp. 6. Remove the adhesive backing. Place reflector in position and press reflector firmly into place to activate the adhesive. Repeat for reflector on opposite fork. REMOVAL OEM Rear Shock Absorbers 1. Refer to the XR model section of the service manual and remove the rear shock absorbers. INSTALLATION Rear Shock Absorbers 1. See Figure 3. Install the rear shock absorbers according to service manual instructions. The shocks are installed with the external gas reservoir to the rear of the shock absorbers and the thick side of the grommet installed to the frame rail mounts. is06142 Figure 3. Install Thick Side Of Grommet To Frame Rail SUSPENSION ADJUSTMENTS Front Fork Suspension Adjustment Whenever a wheel is installed and before moving the motorcycle, pump brakes to build brake system pressure. Insufficient pressure can adversely affect brake performance, which could result in death or serious injury. (00284a) Adjust both forks equally. Improper fork adjustment can lead to loss of control, which could result in death or serious injury. (00124c) Compression and rebound adjusting valves may be damaged if too much force is used at either end of the adjustment range. (00237a) NOTES Damping is set at the factory for the average solo rider under normal riding conditions. The rider may make adjustments to compensate for individual riding styles and varying road conditions. Evaluating and changing the rebound and compression damping is a very subjective process with many variables and should be approached carefully. The front and rear preload setting will need to be adjusted for the rider’s weight and cargo. This adjustment should be made before the motorcycle is ridden any distance and after changing the overall vehicle weight (adding saddlebags, etc.). If the preload adjustment is correct, and you have the rebound and compression damping set at the factory recommended points, the motorcycle should handle and ride properly. Changes in the load carried requires changes in the preload setting(s). Carrying less weight than was used for setting up the suspension requires decreasing the amount of preload. Increasing the load carried requires adding more preload. The following tools are needed to make suspension adjust- ments. • 5 mm hex key (front fork preload adjustment tool). • Spanner wrench with extension handle (shock absorber preload adjustment). • Screw driver (front fork damping adjustment). 1. Front fork preload adjustment: a. See Figure 4 and Table 1. Using the 5 mm hex key, turn the preload adjuster counterclockwise until it stops. This is the minimum preload setting. b. Turn the preload adjuster clockwise the recommended amount specified for the rider weight

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1100cc Honda Goldwing Installation Manual

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Filed Under (Honda) by admin on 29-04-2011

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Receiver Hitch Installation Install all bolts loosely until all brackets are in place 1) Place motorcycle on center stand and be certain it is level. 2) Remove saddlebags if necessary for easier installation. 3) Mount bracket A to the lower front crash bar bolt Left side (new bolts provided) and top of left hitch arm. 4) Mount bracket B to the lower front crash bar bolt Right side (new bolts provided) and top of right hitch arm. 5) Bracket C mounts to rear of hitch and sub frame bolt located behind tail light (new bolt provided) This bracket mounts inside the rear fender. 6) Attach brackets D and E to rear of hitch. 7) Bracket F attaches to bottom of bracket D and trunk sub frame with U-bolts. Insert bottom U-bolts at step 9 8) Bracket G attaches to bottom of bracket E and trunk sub frame with U-bolts. Insert bottom U-bolts at step 9 9) Brackets D and E (with brackets F and G) attach to bottom rear saddlebag sub frame with U-bolts. 10) Tighten all bolts. INSTALLATION OF THE TOW-PAC HITCH CART. 1. Place your motorcycle on a smooth flat surface, like a garage floor, and rest it on its center stand. 2. Assemble the axles, tires and wheels, and fenders onto the tow- pac hitch cart. 3. Carefully align the tow-pac hitch cart’s hitch mount with the receiver hitch on the motorcycle. Now push the hitch mount into the receiver hitch. (this might be a little difficult until you get use to doing it. Removing the paint from the hitch mount and applying a little grease will help.) 4. Place the hitch pin through the receiver hitch and hitch mount ( alignment plate ). Install and tighten the tension bolt. 5. Push the motorcycle off of the center stand and risers if used. 6. Bolt leanstop braces to hitch. (Bolt inserts from the bottom) Be certain to replace washers/spacers in the same configuration as when you removed them. see diagram next page 7. Check all bolts for tightness. 8. You are now ready for the test ride. A. Keep your feet up! B. Ride slowly in first gear until you are comfortable with the Tow-Pac system.

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Ultima Billet Rear Shocks Installation Instruction Sheet

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Filed Under (Tips and Review) by admin on 30-11-2010

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Unloading the rear suspension Use a jack under a flat part of the motorcycle and lift until the rear tire is barely resting on the surface. This ensures that the shocks are unloaded. They are now ready for removal. Remove the old shocks Refer to the service manual specific to your motorcycle for this process. Unbolt the old shocks. Save the necessary hardware if you have not purchased new hardware. Installation Shocks should be installed with the preload adjuster on top (see Preload Adjustment). With the new shocks in hand; please go over the hardware configuration diagram (Figure 3) to decide which configuration best fits your application. Spacers are included to provide clearance between the shocks and your motorcycle (Figure 4). Typically start on which ever side the final drive is located. This side normally causes the clearance issues. Each eye and each side should be configured the same way. Make sure to use the proper hardware so that the shock- bushings fit the shock-bolts as snugly as possible. Shocks come with a 1/2″ ID bushing installed. This is needed for all applications. An optional bushing is included and should be used in addition when 3/8″ bolts are used instead of the larger 1/2″bolts. Unless new hardware was purchased, you will use the stock bolts from your old shocks to install the new shocks. Use Red Locktite (or equivalent) and use a torque wrench to tighten as follows: Models that use 1/2″ bolts: 65ft-lbs Models that use 3/8″ bolts: 30ft-lbs (Figures 1 & 2) Be sure to check clearance between the shock and the belt-guard. If there is any contact you will need to alter your spacer arrangement to accommodate this. Check tire to fender clearance as well. This clearance will be reduced when lowering shocks are used. Preload Adjustment Your new Ultima Billet Shocks are preload adjustable. Adjustment should be done once the shocks are installed. To adjust use a strap wrench and turn the top part of the shock (Figure 6) clock-wise to tighten or provide more preload (this stiffens the suspension), or counter-clockwise to loosen or subtract preload (this softens the suspension). Hand adjustments may be sufficient on models with smaller spring rates while the strap wrench will be required on the high spring rate shocks. You will see notches (Figure 6) that appear on the shock as the shock is preloaded. These should help you obtain the same preload for both sides of the motorcycle. Both shocks should be adjusted to the same level of preload.

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