Kawasaki KVF650/ 700, KSV 700 Camshaft Installation Instructions

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Filed Under (Kawasaki) by admin on 29-04-2012

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Liberally apply assembly lube to every surface of the camshaft. Install the camshaft into the cylinder head (the lobes should be pointed down) and align the decompressor shaft dowels with the weight arms. Install one of the camshaft sprocket holder bolts and tighten to less than finger tight, you should be able to move the camshaft very slightly back and forth, roll the crank over until the other bolt hole is exposed and insert the sprocket bolt and tighten to less than finger tight. Install the cam chain tensioner assembly, do not install the spring, spring dowel, washer, and bolt. Using the spring from the cam chain tensioner very slowly push the tensioner shaft in until the cam chain slack has just been taken out, this is witnessed by the very slight lifting of the opposite end of the cam out of the cylinder head cam journal, do not over tighten the cam chain at this point, if you do, remove the tensioner assembly and retract the plunger again and start over. (If it stays too tight it will stretch the cam chain prematurely and cause cam sprocket damage when the engine is assembled) Roll the camshaft toward the back of the machine (clockwise) loading the sprocket bolts against the back of the sprocket bolt holes, while holding the camshaft in that direction, tighten the sprocket mounting bolt to 14 ft/lb of torque. Rotate the engine in the opposite direction that you rotated it earlier and align the TDC mark, tighten the other sprocket-mounting bolt to 14 ft/lb of torque. Verify the cam timing and crankshaft TDC marks are in alignment

Honda XR600/ XR650L Camshaft Installation and removal Instructions

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Filed Under (Honda) by admin on 05-12-2011

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Remove the tappet covers. 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 direction. Position the engine at true top dead center (TDC) using the mark on the flywheel. 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 beginning of the power stroke. The “artificial” TDC is during the overlap when both the intake and exhaust valves would be open. Since the rocker arms are located in the valve cover on an XR600, true TDC occurs when the cam lobes are pointed downward when the piston is at TDC. Remove the cylinder head cover. Warning, do not drop the locating dowels into the cam chain cavity. There are two dowels, one on either side of the cover. Remove and discard the gasket. Note the positioning of the cam lobes, this will help during installation of your new Hot Cams camshaft. Note also the location of the sealed bearing on the end of the camshaft and the direction in which it is facing. Loosen the bolts that hold the camshaft sprocket. Remove the lower camshaft sprocket bolt first, it will be necessary to rotate the engine. Rotate the engine back to TDC. Release the spring tension on the cam chain tensioner by lifting the end of the spring out of its hole in the tensioner block. A spring tool is a good method. Be careful not to scar the cylinder head’s gasket surface for the cylinder head cover. Remove the allen bolt that holds the end of the tensioner block shaft
just to the inside of the tensioner block. Note the location of the tensioner block shaft cap ridge. Using a pair of pliers pull the shaft out by grasping the ridge and using a clockwise rotation of the shaft while pulling outward. Pull the tensioner block upwards, out of the cylinder head. Remove the top camshaft sprocket bolt. Pull the sprocket off the camshaft but maintain upward tension, do not allow the chain to sag, it is possible for the chain to “slip” on the bottom sprocket of the crankshaft and change the cam timing. Remove the camshaft. Remove the cam bearings. Set the stock camshaft with the auto-decompression aside. It is not possible to use the auto-
decompression on the Hot Cams so do not attempt to re-install. Use a manual decompression. Install the bearings onto the new Hot Cam

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HARLEY DAVIDSON EFI SCREAMIN' EAGLE BIG BORE EFI STAGE 2 KIT INSTALLATION INSTRUCTIONS

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Filed Under (Harley Davidson) by admin on 29-01-2011

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INSTALLATION Installation of this kit is divided into six steps: 1. Big-Bore Cylinder and Piston Conversion 2. High Performance Camshafts 3. High Performance Clutch Diaphragm Spring 4. High Performance Air Cleaner 5. Calibrate the ECM 6. Exhaust NOTES This Big-Bore Stage 2 kit is intended for High Performance applications only. This engine-related performance part is legal for sale or use in California on pollution-controlled motor vehicles. Engine-related performance parts are intended for the experienced rider only. -J04173 1 of 5 The air cleaner contained in these kits is designed to perform with these kits only. Any other combination of components is not confirmed to be legal for street use. The Product Information Label contained in this kit is required in the state of California only. This label is required to aid in passing the California Smog Check Program. Place the Product Information Label on the right side of the frame, directly beneath the VIN sticker. Do not place the label on motorcycles other than those specified in the Instruction Sheet. Gaskets provided in the 1690 conversion kit eliminate the need for original head gasket O-rings. For this reason, DO NOT install the Original Equipment (OE) O-rings (Part Number 11273) to the top of cylinder dowels, or severe engine damage may occur. Big-Bore Cylinder and Piston Conversion NOTE Installation of this kit requires removal of the cylinder heads, cylinders and pistons. Refer to Section 3, ENGINE: STRIPPING MOTORCYCLE FOR SERVICE and TOP END OVERHAUL of the applicable Service Manual for instructions. High Performance Camshafts NOTE Installation of this kit requires removal and re-installation of the cam support plate. Refer to Section 3, ENGINE: BOTTOM END Cam Support Plate, Removal and Disassembly/Assembly (Camshaft, Camshaft Bearings) of the applicable Service Manual for instructions. Measuring Piston-to-Valve Clearance After installing non-stock cams, check piston-to-valve clear- ance. 1. Apply 1/8-inch (3 mm) layer of clay to crowns of pistons in areas where valves meet pistons. 2. Refer to the appropriate Service Manual and assemble the heads and valve train, and tighten cylinder studs to torque specified. 3. Turn engine through two complete revolutions by hand. 4. Remove heads and measure clay at its thinnest point. NOTE Clay must measure 0.080 inch (2.03 mm) at its thinnest point. If this measurement does not meet minimum thickness, depth of valve notches must be increased. The depth of the notches must not exceed 0.135 inch (3.43 mm). Measuring Valve-to-Valve Clearance NOTE Wait ten minutes before turning the engine after installing push rods. This allows tappets to bleed down and prevents you from bending push rods or valves. 1. Rotate the engine so that both valves of the front cylinder are partially open. Shine a light through the exhaust port and look through the spark plug hole to view the valves. Turn engine, if required, to the point where the exhaust evel sensor to the fuel pump with screw (3). Tighten the screw enough to seat the fuel sensor against the mounting tab e. Route fuel level sensor wiring under the fuel hose and connect the fuel level sensor to the low fuel switch connector on the fuel pump module. If necessary use the jumper harness (Figure 4, item 5). f. See Figure 2. Secure the fuel pump wires and con- nectors

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Indian Rocker Arm End Play Rear Cylinder/ Front Cylinder Installation

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Filed Under (Indian) by admin on 12-11-2010

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Rear Cylinder 1Rotate the engine so that the rear piston is at Top Dead Center (TDC), compression stroke, so no load is on the valves. 2Using a 3/16″ allen wrench, remove the four screws securing the rear cylinder rocker cover. 3Remove the cover and inspect both O-ring seals. Discard if damaged or worn. 4Push both rocker arms towards the valve end support bracket (A) and using a feeler gauge check the gap between the rocker arms and the pushrod end support bracket (B). NOTE: The Rocker arm end play specification should be between 0.003″ to 0.012″. 5 Compare the measurement to the specification an determine whether adjustment is necessary. If the end play is within specification, adjustment will not be required. Refit the rocker cover (instructions 14 to 15) and carry out the same inspection on the front cylinder . If the measurement is outside the specification, adjustment will be required and shimming will be necessary (follow the remainder of these instructions). Adjustment 6Using a 1/4″ allen wrench remove the 4 screws securing the rocker shaft assembly.Refit the LH support bracket and reposition the complete assembly on the rocker base. Make sure that the three dowels are in place and the slots in the rocker shafts are properly aligned with the mounting screw holes in the RH support bracket. 11Clean the threads of the 4 support bracket screws and apply Blue Loctite to the first 4 threads. 12Fit the 1-3/4″ screws into the LH support bracket (A) and the 2″ screws to the RH bracket (B). Torque all screws in cross pattern to 16-20 foot-pounds. CAUTION: The rear piston must be at TDC, compression stroke, when tightening the support bracket screws. 13Re-check the rocker end play to ensure it is within specifica- tion. 13Lubricate the two O-rings with clean engine oil and refit them in the grooves in the rocker base. 14Refit the rocker cover.

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