80 shovelhead only runs full advance

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HARLEY-DAVIDSON 1979-Later Big Twin CONVERSION INSTALLATION MANUAL

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Filed Under (Harley Davidson) by admin on 29-03-2012

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Turn ignition switch to the OFF position. Disconnect the ground cable from the battery. 2) Disconnect the wire at the coil which runs down to the points. Remove the point cover plate. 3) Note the position of the slots in the point plate. When the Mallory UNILITEfi plate is installed, use the position of the slots to approximate the timing. 4) Remove the wire to the points. Remove the O.E. standoffs and washers. Remove the point plate assembly. 5) Remove the O.E. cam sleeve from the advance assembly. Place a small amount of oil on the advance shaft which supported the cam sleeve. 6) Slide the Mallory shutter wheel onto the advance shaft. Make sure the shutter wheel is all the way down into the advance assembly (it will only go one way due to the roll pin in the advance assembly). 7) Install the advance and shutter wheel into the nose cone. Make sure that the pin on the bottom of the advance engages the slot on the end of the camshaft. Apply Loctite to the threads and install the advance bolt. Torque to 25 in.lb. 8) Rotate the shutter wheel by hand (counter-clockwise) and release. It should rotate about 10 degrees and “snap” back when released. 9) Install the two Mallory standoffs. Place Loctite on the threads and torque to 16 in.lb. Do not use any washers with the standoffs. 10) Start the three wires of the Mallory UNILITEfi Module through the hole in the nose cone housing. (The module goes in towards the advance assembly with the flat plate outward). Pull on the three wires to remove any slack and prevent the wires from rubbing on the shutter wheel. 11) Rotate the UNILITEfi plate assembly until the slots in the plate are in the same position as the point plate was. This should make the timing close enough to start the engine. Slide the two Mallory 8-32 sleeve nuts (supplied) through the UNILITEfi plate and onto the male threads of the Mallory standoffs. Tighten the sleeve nuts just enough to prevent the plate from moving. 14) Route the wires from the UNILITEfi Module to the ignition coil, carefully avoiding the exhaust system. Connect the red wire to the positive (+) terminal (12 volts) on the coil. Connect the green wire to the negative (ñ) terminal on the coil (where the point wire was connected). Connect the brown wire to ground. The best place for the brown wire is the negative (ñ) post on the battery, however, any part of the frame or engine which is grounded to the battery will work

4-STROKE TRIUMPH SINGLE CYLINDER MOTORCYCLES ELECTRONIC IGNITION SYSTEM INSTALLATION INSTRUCTIONS

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Filed Under (Triumph) by admin on 27-10-2010

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1. Remove the petrol tank (and seat if necessary) to gain access to the ignition coil, condensor and wiring. 2. For safety, disconnect the battery, if fitted (preferably both terminals). 3. Remove the spark plug. 4. Remove the alternator rotor cover (if fitted). 5. Loosen the auto-advance centre bolt. Rotate the engine to the correct full advance timing position for your machine (see table on page 6), using one of these methods: • Models from 1967 on: use the marks provided for strobe timing on the rotor & chaincase (inside the rotor cover). Unless these marks are known to be accurate it is recommended that they are checked for correct alignment. These marks should line up at the full advance position, check using one of the methods below and, if necessary, re-mark the rotor. • Models from 1969 on: use the timing plug on the left-hand crankcase • Use a degree disc on the crankshaft / camshaft (see table on page 6) • Use a dial guage down the spark plug hole (see table on page 6) 5. Remove kickstart, gear lever and outer timing cover. 6. Remove the contact-breaker plate and lead from the outer timing cover. 7. Taking the ignition trigger assembly, insert a small cable tie into the two holes in front of the connector block on the ignition trigger. This will be used later to secure the two wires to the plate. 8. Fit the ignition trigger plate with the adjustable slots at approx. 6 & 12 o’clock, using the original pillar fixings & washers, positioned in the centre of the slots (to allow for adjustment in either direction). Handle the trigger with care. • RED EARTHING WIRE • CRIMP CONNECTORS & INSULATORS • LARGE & SMALL CABLE TIES • CABLE TIE ADHESIVE MOUNTING BASE 3
9. Remove the centre bolt securing the auto-advance unit. Remove the complete auto-advance unit with an extractor bolt or by tapping it gently sideways. 10. Fit the magnetic rotor in place of the auto-advance unit, with the magnets/ red marks positioned at approx. 3 & 9 o’clock. The magnetic rotor has a male taper which fits into the taper in the end of the camshaft. There is no keyway, allowing it to be fitted in any desired position. 11. Using the ¼” washer and the appropriate bolt (UNF or BSF), pass the bolt through the centre of the magnetic rotor and into the thread in the camshaft. Finger tighten only at this stage. The magnetic rotor centre thread (metric M8) is provided for attaching a puller, if the rotor should need to be removed for engine servicing, etc. 12. Replace the outer timing cover, gear lever & kickstart. 13. Check that the engine is still at the correct full advance position, then adjust the magnetic rotor position so that one of the red marks is centrally behind the static timing hole at 9 o’clock (see fig. 4, page 7). If your machine’s camshaft rotates clockwise, refer to fig. 3. Gently tap the rotor into the taper & tighten the centre bolt, using a 3/16″ allen key. WIRING: 14. All connections must be of the highest quality, use crimped or soldered connections; twisted wires will not give a satisfactory operation. Avoid coiling up surplus lead.

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BILLET ALUMINUM DISTRIBUTOR WITH ELECTRONIC ADVANCE AND ADJUSTABLE REV LIMITER FOR 1936-69 HARLEY BIG TWIN MOTORCYCLES INSTALLATION INSTRUCTIONS

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Filed Under (Harley Davidson) by admin on 25-11-2010

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ELECTRICAL SYSTEM A 12 volt electrical system is required. Check that the charging system is working properly and not producing over 16 volts. DISTRIBUTOR CLAMP A 1966-69 style distributor clamp (original or aftermarket) is required. MODULE This distributor uses an Accel Single/Dual Fire Ignition module part number 35496. See the enclosed form “Instruction Sheet Single/Dual Fire” for instructions on wiring, adjusting the rev limiter and selecting an advance curve. COIL(S) A coil(s) with a total primary resistance of 2 to 4 ohms is recommended. INSTALLATION Step 1 Turn the ignition switch to the off position. Rotate the engine until it is on the compression stroke for the front cylinder. Continue to rotate the engine until the TDC mark is visible through the timing hole. (see repair manual if necessary). Step 2 Remove the existing distributor if still in the engine. Step 3 Remove the two button head screws from the top of the Mallory distributor. Pull the top cover off the distributor. Remove the two hex standoffs and pull the module and upper housing off the distributor base assembly. Adjust the switches on the module for the desired advance curve and rev limit. FORM 1627 07/08 Step 4 Install the distributor base assembly in the engine with the screw holes and shutter wheel positioned as shown in Figures 1 and 2. It may be necessary to pull the distributor out, turn the shaft and reinstall to get the shutter wheel at the approximate angle shown. The slots should be at about the11 o’clock and 7 o’clock positions. The screw holes should be at the 9 o’clock and 3 o’clock positions. Step 5 Install the distributor clamp and tighten the clamp bolt lightly so the distributor can still be rotated. Step 6 Set the upper housing on the base assembly as shown in figure 3. (The upper housing will only install one way because of the locating screw) Rotate the base assembly slightly if necessary so that the slot in the shutter wheel lines up with the slot in the upper housing. Tighten the distributor clamp

HONDA GL1000 DYNA S ELECTRONIC IGNITION INSTALLATION INSTRUCTIONS

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Filed Under (Honda) by admin on 24-04-2011

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open the top and side compartments. Locate the two ignition coils and ballast resistor directly in front of the air cleaner intake. On some models it is best to remove the air cleaner for access to the coil area. Unplug the wires from the ballast resistor. Connect the power resistor supplied with the kit across (parallel with] the ballast resistor, and reconnect the wires to the tabs provided. The resistor will become very hot during operation. That is normal, and not destructive to the resistor, however, care should be taken to keep cables and wires from coming in contact with it. Locate the blinker relay just behind the fuse box in the left compartment. The white/green wire going to the relay carries 12 volts from the ignition switch. Using the splice connector provided, attach the separate red wire included in the kit to the white/green wire, as shown below. Do not strip the wires. On 197B and 1979 models, the 12 volts can be obtained at the accessory terminal in the left side compartment. y^T^^TL. PUSH CLIP DOWN RED WIRE SUPPLIED WITH KIT SWITCHED 12 VOLTS Remove the points cover and battery cover. Remove the 10 mm bolt holding the spark advance assembly to the engine. Remove the screws holding the points plate to the engine. Disconnect the blue/yellow
and yellow point wires where they plug into the wire harness and remove the entire point/plate assembly. Notice that there are two other wires connected where the points plugged in. These are wires going to the condensers mounted in front of the battery. Unplug both wires and tuck them back out of the way. Do not reconnect. | > Remove the spark advance assembly from the engine. Remove the point cam from the advance assembly. Coat the advance assembly shaft with oil. Place the OYNA S rotor on the shaft and while spreading the weights, push the rotor down until it engages the weights. Ensure that the rotor rotates freely on the shaft as the advance weights move out and back. Install the advance/rotor assembly on the engine making sure the pin on the camshaft is engaged in the slot on the advance assembly. Install the washer and bolt, and tighten. Ensure that the rotor is still free to rotate.

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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HARLEY-DAVIDSON 1340cc SHOVELHEAD INSTALLATION INSTRUCTIONS

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Filed Under (Harley Davidson) by admin on 29-02-2012

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Each cylinder should be deburred on top and generously chamfered on bottom for ease of piston and ring installation. Finish hone with a 280-400 grit hone. A good cross hatch finishing pattern is important for best results. CAUTION: Wash cylinder assembly with soap and water, then swab with new # 10 oil on a clean rag until all tendency of rag discolor is gone. Washing in solvent will not remove the abrasive from finished cylinder walls

HI-4 DUAL FIRE MOTORCYCLE IGNITION INSTALLATION INSTRUCTIONS

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Filed Under (Yamaha) by admin on 09-11-2010

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Turn ignition switch off and disconnect battery ground cable. 2. Refer to Figure 3. Remove OE ignition module and wire harness (items 1-4). You will disconnect two wires at the coil (15), a wire going to the VOES (Vacuum Operated Electrical Switch) (18), a black ground wire at the ignition module, and the 3 pin plug (20) that connects to the sensor plate (11). Refer to shop manual for locations. 3. Remove ignition cover plates and gasket (items 5- 9). This will require drilling out two rivets. The rivets will later be replaced with two supplied self- threading screws. 4. In order to remove the sensor plate cable, the cable plug (20) must be removed first. Use needle nose pliers to pull the terminals out of the plug. Then pull the cable through the exit hole at the bottom of the timing cover. 5. Note location of sensor plate (11). There is a V notch in the sensor plate used for alignment. When you install the HI-4, you should align the V notch in the same location. This should set the timing close enough to start the engine. Remove and save the two standoffs and washers (10). Remove the sensor plate (11). HI-4 INSTALLATION Refer to Figure 4. The HI-4 requires use of the OE timing rotor P/N 32402-83 (used only on 1985 and newer models). If you have an older model or are not sure, check the rotor (9) for the correct part number. For models prior to 1980, use the supplied 10-32 x ¾”bolt and washer to mount the rotor. 1. Install the HI-4 system in place of the OE breaker or sensor plate. Rotate the HI-4 about 90 degrees to give better access to the cable exit hole. Install the HI-4 first, then push the cable through the hole. On some early models it may be necessary to enlarge the wire harness exit hole in the gear cover. Align the V notch on the HI-4 same as the OE plate you removed. Use the OE standoffs to secure the HI-4. You must use lockwashers under the standoffs for proper clearance between the HI-4 and cover plate. Do not fully tighten the standoffs until the timing has been set. 2. Route the HI-4 wire harness along the frame rails up to the coil. Make sure that harness will not be chafed or burned by exhaust heat. Secure harness with tie wraps. Do not install timing cover. HI-4 HOOKUP Crimp terminals and hardware are supplied for your convenience. Use the ring terminals for coil hookup. Use male-female quick disconnects for connections to the tach and vacuum switch (VOES). Tape up any unused wires. 1. Circuit Breaker Cover Screws (2) 2. Circuit Breaker Cover 3. Circuit Breaker Cover Gasket 4. Breaker Plate Screws (2) 5. Breaker Plate Screw Lockwashers & Washers (2 each) 6. Retainer (1971 to early 1972) 7. Circuit Breaker Cam Bolt 8. Breaker Plate Assembly 9. Breaker Cam 10. Advance Assembly 11. Gear Case Cover 11 10 9 8 7 6 5 4 3 2 1 NOTE: Damage will result if the brown tach wire comes in contact with +12V. Figure 1. Harley-Davidson®OE Points System
9000-4002A REV A 3 2/05 1. Identify switched +12 volt wire and tach wire (if equipped) going to the coil. Refer to your service manual, or reconnect the battery and use a test light or voltmeter. The switched +12 volt wire will be hot when the ignition key is turned on. 2. Refer to Figure 5. Connect the HI-4 red wire and switched +12 volt wire to Coil positive. 3. The HI-4 white wire is not used and should be taped. 4. Connect the HI-4 black wire to the Coil negative terminal. 5. Connect the HI-4 green wire to the vacuum switch (Figure 3, item 18), if used. 6. Connect the HI-4 brown wire to the tach wire, if equipped with tach. Tape up if unused. 7. The HI-4 is grounded via the timing housing; a separate ground connection is not required. 8. Reconnect battery ground cable. Verify proper ground connections to the frame and engine. VOES HOOKUP The OE vacuum switch (VOES) is normally an open circuit. Above 3-5 inch-Hg vacuum, the VOES closes and grounds the vacuum input on the OE ignition module. This increases the total advance generated by the OE ignition module. Vacuum advance improves part throttle 17 16 1. Cover Screws (2) 2. Ignition Timer Cover 3. Ignition Module 4. Timer Plate Screws (2) 5. Washers (2) 6. Screws & Washers (2 each) 7. Shield 8. Sensor 9. Trigger Rotor Bolt 10. Timer Plate 11. Trigger Rotor 12. Advance Assembly 13. Gear Case Cover 14. Ignition Coil 15. Spark Plug Wires (2) 16. Ignition Coil Terminal (FX) 17. Ignition Coil Terminal (FL) 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 NOTE: Most motorcycle coils do not have terminals marked. Use either terminal for Coil+ (positive) and the other one for Coil- (negative). Warning: The HI-4 (8-1100) Dual Fire ignition will not work with 2 plugs per head, dual coil application. Damage will result if attempted. Use the HI-4 (8-2100) single fire ignition for 2 plugs per head applications

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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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AMSOIL Recommendations for All Harley Davidson

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Filed Under (Harley Davidson) by admin on 06-02-2011

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ISSUES: Harley Davidson recommends both gear lube and motorcycle oils for their equipment and there are many different models with corresponding specific oil recommendations. The variety of recommendations can cause confusion and lack of confidence in making the correct AMSOIL lubricant recommendation. The following charts outline the proper sequence of product recommendations for the Harley Davidson products listed. DESCRIPTION & RECOMMENDATIONS: Harley Davidson manufactured 9 types of engines from 1929 to the current model year. Flathead (1929-1974), Knucklehead (1936-1947), Pan- head (1948-1965), Shovelhead (1966-1984), Evolution (Blockhead) 1340 (1984-1999), Twin Cam (2000 to current), V-Rod (Revolution) (2001 to current) Ironhead Sportsters (1957-1984) & Evolution Sport- sters 1985 to current. Harley Davidson recommends SAE 60 or SAE 50 engine oil for Flathead, Knucklehead, Panhead, and Shovelhead equipped bikes . AM- SOIL recommends AHR SAE 60 or MCV 20W-50 motorcycle engine oil for these vintage models. AMSOIL SVT or SVO should be used in transmissions found on these models. Shovelhead is the only model with a chain case that is lubricated via engine oil. AMSOIL recommends MCV 20W-50 motorcycle oil in all 3 holes (engine, transmission, and primary chain case) on Evolution 1340 and all Twin Cam engines. AMSOIL recommends SVT as a secondary oil for the transmission, and SVO as an option for older transmissions. New seals are recommended where excessive leaking is evident. Ironhead, Evolution Sportsters and V-Rod use one lubricant for both the engine and transmission and AMSOIL recommends MCV motorcycle oil for this common sump.

Harley Davidson Oil Recommendation

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

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harley Davidson has manufactured 9 types of engines from 1929 to the current model. Flathead (1929-1974), Knucklehead (1936-1947), Panhead (1948-1965), Shovelhead (1966-1984), Evolution (Blockhead) 1340 (1984-1999), Big Twins 1450 (2000 to current), Revolution/V-Rod (2001 to current) Ironhead Sport- sters (1957-1984) & Evolution Sportsters 1985 to current. Harley Davidson recommends SAE 50 or 60 for the engine oil in their Flathead, Knucklehead, Panhead, and Shovelhead. AMSOIL recommends AHR SAE 60 or AMV 20W-50 motorcycle oil for all these older models. Use AMSOIL SVG or SVO for the transmissions. Of these models only the Shovelhead has a chain case that is lubed, and is fed by the engine oil. In the Evolution 1340, Big Twins 1450, and V-Rods, AM- SOIL recommends AMV 20W-50 motorcycle oil in all 3 holes (engine, transmission, and primary chain case). AMSOIL recommends SVG as an alternative oil for the transmission, and SVO as an option for older transmissions. New seals are recommended where excessive leaking exists. Ironhead & Evolution Sportsters use one sump for both transmission and chain case. AMSOIL recommends AMV motorcycle oil for this common sump.