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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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HARLEY DAVIDSON HYBRID CAM PLATE AND HIGH FLOW OIL PUMP KIT REMOVAL AND INSTALLATION INSTRUCTIONS

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Filed Under (Harley Davidson) by admin on 07-02-2011

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REMOVAL 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. (00049a) 1. Refer to the service manual and follow the instructions to remove the seat and disconnect the battery cables, negative (-) cable first. Retain all seat mounting hardware. Gasoline can drain from the carburetor fuel line when disconnected from fuel valve fitting. Gasoline is extremely flammable and highly explosive, which could result in death or serious injury. Wipe up spilled fuel immediately and dispose of rags in a suitable manner. (00256a) NOTES Installing this kit requires removal and installation of the cam support plate. Refer to the service manual for instructions with the following exception pertaining to cam compartment compo- nents: The crank and primary cam sprocket flange bolts are specially hardened, and the flat washers are of a special diameter and have ground surfaces. Use ONLY the parts provided in the Drive Gear Retention Kit (H-D Part Number 25533-99A, sold separately) when installing this kit. -J04804 1 of 7
The cr ank sprocket flange bolts and pr imary cam sproc ket flange bolts ARE NOT interchangeable. 2. Refer to the service manual to remove and discard the crank sprocket flange bolts and primary cam sprocket flange bolts and washers. 3. For 1999 models only: Refer to the service manual to remove and discard the currently installed cam drive sprocket. 4. Refer to the service manual to remove and disassemble the cams from the support plate and oil pump. Discard the support plate and oil pump. 5. For 1999 – 2000 Dyna, 2000 Softail, 1999 – 2000 Touring, and 2001 EFI Touring models only: Inspect the cams, chain, sprockets and chain tensioners for wear, and replace as needed. Refer to the service manual for inspection and replacement procedures. For 2001 – 2005 Dyna, 2001 – 2006 Softail, 2002 – 2006 Touring, and 2001 carbureted Touring models only: Inspect the cams and secondary cam chain for wear, and replace as needed. Refer to the service manual for inspection and replacement procedures. The primary cam chain, primary sprockets and both tensioners will be replaced by new components from the kit. For ALL models and years: Discard the guide, as it will not be used. INSTALLATION 1. ALL models: See Figure 1. Obtain the new Rear Cam Roller Bearing Kit (H-D Part Number 8983) from inside the Cam Service Kit (H-D Part Number 17045-99C, purchased separately), and install as indicated in Step 2. NOTE See Figure 2. If not enough of the splined shaft is exposed to install the sprocket, omit the spacer (4) and proceed to Step 2e. When the bearing inner race is started onto the machined area, remove the flange bolt (5), flat washer (6) and sprocket, then assemble using the spacer (4). Repeat Step 2e to fully install bearing inner race. To center thrust washer, be sure o-ring is installed in relief groove. Damage to bearing cage and engine can occur if thrust washer is not centered. (00473b) 2. See Figure 1. Install the O-ring (5), thrust washer (4) and bearing inner race (3) onto the rear camshaft as follows: a. See Figure 2. To properly locate the thrust washer (2), install the O-ring (3) in the grinding relief groove on the splined end of the rear camshaft between the machined area and the secondary cam sprocket.

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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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Harley-Davidson Twin Cam Engines Cam Chain Drive System Installation and removal MANUAL

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Filed Under (Harley Davidson) by admin on 27-03-2012

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Removing the Cam Chain Drive System. NOTES Changing camshafts and cam drives in the 2006-up Harley-Davidson® Twin Cam 88® engines is different than in pervious engines. Procedures require use • of some special tools. Installation should be done by an experienced mechanic with access to factory service manual and required tools. Tighten all fasteners to the correct specifications and in order described. Always use an accurate torque wench. • Incorrect installation can cause engine damage not covered under warranty. CAUTION Failure to install components correctly can result in sudden engine seizure. Engine seizure may result in serous injury to motorcycle operator, passenger, or others. A- Disconnect the battery ground cable to eliminate potential sparks and inadvertently engagement of the starter while working on the motorcycle. B- Remove spark plugs and pushrod cover clips. Collapse the pushrod covers to expose the pushrods. C- Safely elevate and stabilize the rear of the motorcycle. Place the transmission in high gear. Turn the rear wheel to rotate the engine until both lifters and pushrods for either cylinder are at the lowest point on the camshaft (TDC of compression stroke). Both intake and exhaust pushrods for that cylinder will be under pressure from the valve springs and will rotate with light finger pressure. NOTE: 510G camshafts may use stock style non-adjustable pushrods instead of adjustable pushrods. If installing non-adjustable pushrods, disassemble and assemble rocker boxes per H-D® instructions. All other S&S® gear driven cams require installing adjustable pushrods. As a time-saving measure, the stock pushrods can be removed with bolt cutters. Be sure to head caution and warnings of these instructions. D- Cut the pushrods for the cylinder that is at TDC with the bolt cutter and remove the pushrod covers from the engine. Rotate the engine to place the pushrods for the other cylinder at their lowest point. Cut and remove the remaining pushrods. WARNING CAUTION Cutting pushrods with a saw or cutoff wheel may result in debris entering the engine, causing engine damage not covered under warranty. WARNING Cutting pushrods without releasing spring pressure, by rotating the engine until tappets are at the lowest point of travel can result in bodily injury. E- Remove the pushrod covers and lifters form the crankcase. F- Remove engine cam cover and gasket. Secure lifers with a tool made from a large binder clip

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Daytona 675 Motorcycle Race Kit Installation Manual

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Filed Under (Triumph) by admin on 29-10-2010

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Remove the existing cylinder head gasket in line with the procedures detailed in the Daytona 675 service manual. 2. Fit the chosen race kit cylinder head gasket following the procedures detailed in the Daytona 675 service manual. Caution The use of the following race kit cylinder head gaskets will require changes to the fuelling settings. To alter fuelling settings a third party programmable control unit will be required. Item Description Qty 1 Head gasket (t = 0.65mm) 1 1 Head gasket (t = 0.60mm) 1 1 * Page 7 of 29 © Triumph Designs Ltd 2007. Cams, Valve Spring & Sprocket Kits Parts Supplied Camshaft Inlet Kit – A9618055 Camshaft Exhaust Kit – A9618056 Valve Spring Kit – A9618058 Camshaft Sprocket Kit – A9618057 Warning The race kit must be fitted as a complete set. If it is not fitted as a complete set a failure may result which could cause loss of motorcycle control and an accident. Caution The use of the Camshaft, Valve spring & Sprocket race kits detailed below will require changes to the fuelling settings. To alter fuelling settings a third party programmable control unit will be required. 5 5 4 1 3 2 4 3 Item Description Qty 1 Cam assy, inlet, race 1 Item Description Qty 2 Cam assy, exhaust, race 1 Item Description Qty 3 Valve spring, 14.4id, race12 Item Description Qty 4 Sprocket, camshaft, 34T 2 5 Socket head cap screw, Encapsulated, M6x10 4
Page 8 of 29 © Triumph Designs Ltd 2007. NOTE •The standard inlet cam is 9.25mm max lift and 258.50o duration. The race kit inlet cam is 9.25mm max lift and 268.74o duration. •The standard exhaust cam is 8.5mm max lift and 246o duration. The race kit exhaust cam is 8.5mm max lift and 262.21o duration. •The race kit valve spring must be used in conjunction with the standard spring platforms and retainers. The fitted length of the race springs is the same as the standard spring. 1. The race kit valve springs should be assembled in the same manner as the standard valve springs. Follow the procedure detailed in section 3 of the Daytona 675 service manual. Ensure the springs are installed with the close wound, colour coded end of the springs facing downwards, towards the piston. 2. The race kit camshafts should be assembled in the same manner as the standard camshafts. Follow the procedure detailed in section 3 of the Daytona 675 service manual. 3. The race kit cam sprockets should be mounted and secured to the camshafts using the slotted holes in the sprocket. The slotted holes allow adjustment of the valve timing. The circular holes in the sprockets are for Triumph service tool T3880102 and should not be used to mount the sprockets to the camshafts. NOTE •No timing marks are included on the race sprockets. Race engines will typically have different depths skimmed off the cylinder head and, therefore require specific individual timing. 4. The camshafts should be timed using cam degreeing equipment which typically consists of a degree wheel, pointer, dial indicator and piston stop. Optimum cam timing will depend on the exact specification of the engine, but a recommended starting point is 104o IMOP (Inlet Maximum Opening Point) and 104o EMOP (Exhaust Maximum Opening Point). 5. Always check the inlet and exhaust piston to valve clearance for the timing selected to use, before running the engine. You must ensure both clearances are adequate. As a guide, the standard nominal piston to valve clearance is 1.3mm inlet & 1.5mm exhaust

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HARLEY DAVIDSON SCREAMIN' EAGLE BILLET CAM SUPPORT PLATE REMOVAL AND INSTALLATION MANUAL

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Filed Under (Harley Davidson) by admin on 01-03-2011

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REMOVAL NOTE For removal, refer to the appropriate sections of the applicable Service Manual for detailed information on the following generalized steps. To prevent accidental vehicle start-up, which could cause death or serious injury, remove main fuse before proceeding. (00251b) 1. Remove the Maxi® fuse. 2. Remove the cam cover and gasket. 3. Remove and discard the crank and primary cam sprocket flange bolts and washers. 4. Release the oil pump, and remove the cam support plate and cams. Disassemble the cams from the support plate and discard the support plate. 5. Inspect cams, chain, sprockets, oil pump, chain tensioners and guide for wear and replace as needed. Refer to the Service Manual for inspection and replacement proce- dures. -J04503 INSTALLATION NOTES For installation, refer to the appropriate sections of the applicable Service Manual for detailed information on the following generalized steps. See Figure 1. When installing Screamin’ Eagle camshaft kits, install the O-ring included in this kit over the splined shaft of the rear camshaft as shown. 1. Using the Camshaft Assembly Tool (HD-47956) and assemble the camshafts, chains and tensioners to the billet cam support plate. 2. Install the cam support plate assembly into the crankcase. 3. Using the Crankshaft/Camshaft Locking Tool (HD-47941), install cam sprockets, chain and tensioner. 4. Install cam cover and gasket. 5. Install Maxi fuse.

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ULTIMA IGNITION MODULE AND KIT INSTALLATION MANUAL FOR HARLEY DAVIDSON

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

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Disconnect battery. 2. Mark location of timing plate in relation to inside of cam cover. This will give a starting point for timing on new module. Remove old ignition if applicable (see manual) Clymer, Haynes. 3. If your bike is not equipped with timing rotor M/W# 53-528 OEM#32402-83 you must buy one (included in kit). Also a single fire coil is needed (included in kit) M/W# 53-632. Any single fire coil rated 2-4 ohms can be used. NO SOLID CORE PLUG WIRES (copper, silver) they will damage the unit. 4. Install module: helpful hints, early model nose cones, i.e. Shovel Heads, the hole for the wire may need to be drilled out. Align with previously scripted mark for timing. Use lockwashers for stand offs for correct clearance of cover plate. Run wire loom. 5. Connect wires, see wiring diagram. Tape unused wires, green or brown. 12v to tach (brown) will damage module. Set timing. 1996 and later should not be timed 20˚ BTDC as the OEM module, but at 35˚ BTDC. Use this mark when using timing light. If VOESswitch is not used you must ground VOES wire (green) while timing. Refer to manual for correct identification of timing marks. At start up and timing, set spark advance in middle position. FUNCTION SWITCHES LED timing indicator light: When out, shows TDC. When ignition is on, LED will light up. When engine is cranking LED will blink. Electric Start/Kickstart: Set accordingly. VOES/Race mode: VOES switch lets the motor run smoother and improves gas mileage. If you don’t use it or add one tape up green wire and switch to race. VOES switch to use, M/W# 53-652. Spark advance: High compression motors should use race mode and 93 octane or better gas. Changing from VOES to race changes advance curves. Agood rule of thumb is if the engine knocks when throttle is applied in high gear, turn back spark advance curve until it stops engine knock. RPMlimiter: Set at desired RPM to cut engine power. Rear Cylinder: This is for racing and should be set at a dyno. +/-5˚. Rear cylinder timing is achieved through this adjuster. Most should dial to middle setting and leave alone. After all switches are set, install cover with supplied gasket and feel the increased performance of a solid state single fire ignition. Again, we remind you, if you don’t feel confident about installing this unit, let a qualified mechanic do it and be assured you are getting the best performance and gas mileage possible.

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Harley-Davidson Camshaft TC, EVO, Shovelhead, XL EVO, Iron Head, XR Specifications

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Filed Under (Harley Davidson) by admin on 02-11-2010

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EVO Black Widow PP8833-2 – 29 55 62 25 264 267 54 103 109 105.8 0.600 0.602 EVO Black Widow PP8826-2 – 27 61 63 29 268 272 56 107 107 107.0 0.602 0.602 EVO Black Widow PP8817-2 – 254 254 0.590 0.590 EVO Carl’s Speed Shop CM4 – 28 44 52 20 252 252 48 98 106 102.0 0.495 0.495 EVO Carl’s Speed Shop CM495F Y 19 47 50 16 246 246 35 104 107 105.5 0.495 0.495 0.179 0.168 EVO Carl’s Speed Shop CM580 – 19 47 50 16 246 246 35 104 107 105.5 0.580 0.580 0.194 0.163 EVO Carl’s Speed Shop CM612 – 36 60 68 28 276 276 64 102 110 106.0 0.612 0.612 0.277 0.235 88 EVO Carl’s Speed Shop CM660 – 38 62 68 28 280 276 66 102 110 106.0 0.660 0.660 0.314 0.277 90 EVO Carl’s Speed Shop CM774 – 284 284 0.784 0.784 0.277 0.236 EVO Carl’s Speed Shop CM780F – 34 70 74 30 284 284 64 108 112 110.0 0.774 0.774 103 EVO Crane EVR0020 – 31 64.5 77 23 275 280 54 107 117 112.0 0.608 0.589 88 EVO Crane Fireball 2000 Y -12 22 20 -10 190 190 -22 107 105 106.0 0.490 0.490 0.026 0.032 EVO Crane Fireball 300 Y 12 34 41 15 226 236 27 101 103 102.0 0.490 0.490 4000 EVO Crane Fireball 310 Y 16 40 43 19 236 242 35 102 102 102.0 0.490 0.490 1500 4500 75 EVO Crane Fireball 316 Y 19 43 48 24 242 252 43 102 102 102.0 0.490 0.490 2000 5000 80 EVO Crane Fireball 326 – 24 48 57 25 252 262 49 102 106 104.0 0.490 0.500 2500 5500 EVO Crane H286 Y 19 43 48 24 242 252 43 102 102 102.0 0.490 0.490 2000 5000 80 EVO Crane H290 – 17 43 45 23 240 248 40 103 101 102.0 0.581 0.581 1800 5200 EVO Crane H296 – 24 48 57 25 252 262 49 102 106 104.0 0.490 0.500 2500 5500 EVO Crane H304 – 24 50 55 25 254 260 49 103 105 104.0 0.600 0.600 2500 5800 EVO Crane H306 – 28 54 69 23 262 272 51 103 113 108.0 0.500 0.510 0.224 0.195 3000 6000 EVO Crane H310 – 23 63 68 28 266 276 51 110 110 110.0 0.550 0.550 0.229 0.229 3000 6500 88 EVO Crane H314 – 26 54 65 21 260 266 47 104 112 108.0 0.600 0.600 2800 6000 EVO Crane HEV0042 – 27 59 71 23 266 274 50 106 114 110.0 0.600 0.576 0.226 0.194 3000 6000 100 116 EVO Crane HEV0067 – 24 50 56 24 254 260 48 103 106 104.5 0.600 0.530 0.128 0.113 EVO Crane HEV0098 – 36 62 72 34 278 286 70 103 109 106.0 0.650 0.650 0.171 0.156 96 EVO CycleRama CR-E550 – 24 52 53 23 256 256 47 104 105 104.5 0.550 0.530 EVO CycleRama CR-E581 – 22 46 53 23 248 256 45 102 105 103.5 0.581 0.550 EVO CycleRama CR-E600A – 24 50 56 24 254 260 48 103 106 104.5 0.600 0.530 EVO CycleRama CR-E600B – 23 51 54 22 254 256 45 104 106 105.0 0.600 0.550 EVO CycleRama CR-E617 – 22 50 50 22 252 252 44 104 104 104.0 0.617 0.617 EVO CycleRama CR-E630 – 18 60 63 13 258 256 31 111 115 113.0 0.630 0.630 EVO CycleRama CR-E660 – 27 59 71 23 266 274 50 106 114 110.0 0.660 0.660 3500 6500 140 EVO Dave Mackie DM500 Y 22 38 52 12 240 244 34 98 110 104.0 0.500 0.500 0.189 0.138 EVO Dave Mackie DM500X Y 25 40 55 20 245 255 45 98 108 102.5 0.500 0.500 0.208 0.178 EVO Dave Mackie DM530 – 28 42 55 15 250 250 43 97 110 103.5 0.530 0.530 0.221 0.141 EVO Dave Mackie DM580 – 26 42 56 12 248 248 38 98 112 105.0 0.580 0.580 0.227 0.144 113 EVO Dave Mackie DM581 – 26 42 56 12 248 248 38 98 112 105.0 0.580 0.580 0.227 0.144 EVO Dave Mackie DM595 – 21 49 57 14 250 251 35 104 112 107.8 0.595 0.595 0.192 0.150 EVO Dave Mackie DM635 – 20 56 59 18 256 257 38 108 111 109.3 0.635 0.635 0.194 0.176 EVO Edlebrock 1740 Y 19 43 48 24 242 252 43 102 102 102.0 0.490 0.490 0.176 0.203 EVO Edlebrock 1741 – 20 46 52 22 246 254 42 103 105 104.0 0.600 0.600 0.183 0.187 EVO Head Quarters HQ-23 – 19 47 52 24 246 256 43 104 104 104.0 0.600 0.530 EVO Head Quarters HQ-24 Y 20 36 52 19 236 251 39 98 107 102.3 0.500 0.500 EVO Head Quarters HQ-25 – 18 38 42 14 236 236 32 100 104 102.0 0.550 0.550 EVO Head Quarters HQ-26 – 20 54 53 22 254 255 42 107 106 106.3 0.600 0.530 89 EVO Head Quarters HQ-27 – 26 60 70 24 266 274 50 107 113 110.0 0.650 0.575

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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

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HARLEY DAVIDSON SCREAMIN' EAGLE TWIN CAM 110 (1800 CC) CONVERSION KIT INSTALLATION MANUAL

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Filed Under (Harley Davidson) by admin on 19-02-2011

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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. (00048a) 2. Disconnect battery cables, negative (-) battery cable first. 3. Remove seat according to the instructions in the service manual. 4. 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. (00330a) 5. Remove fuel tank according to the instructions in the service manual. Remove Engine Components 1. Remove existing air cleaner assembly. Discard backplate but save remaining parts. Refer to AIR CLEANER REMOVAL in service manual. 2. Remove existing exhaust system. Refer to EXHAUST SYSTEM REMOVAL in service manual. 3. Remove engine from chassis following the instructions in the service manual. 4. Disassemble engine top end and bottom end. Refer to appropriate ENGINE sections in service manual. 5. 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). 1. Remove cylinder studs from the engine crankcase. 2. Mask off all bearings and oil holes to prevent debris and contaminants from entering those areas. 3. Inspect and clean engine case mating surfaces. 4. 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. 5. Install modified top center screw (1093) between the cylinders and tighten to 50-90 in-lbs (5.6-10.2 Nm). 6. See Figure 1 and Table 1. Machine crankcase cylinder spigot bore and O-ring counterbore to the dimensions shown. Modify Crankcase

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