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techtalk:evo:engctl01 [2023/06/11 07:41] ixl2relax [VOES Sub-Documents] |
techtalk:evo:engctl01 [2023/08/17 08:41] ixl2relax [Ignition Timing - Adjustable 1986 Thru 2003] |
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| __The 1998-2003 1200Sport model__ used an independent Ignition Control Module and the same Sensor Plate as the 1986-1997 models. The 1200Sport model pioneered the Single-fire Spark system and the Manifold Air Pressure sensor (MAP) for the future Sportster models. | __The 1998-2003 1200Sport model__ used an independent Ignition Control Module and the same Sensor Plate as the 1986-1997 models. The 1200Sport model pioneered the Single-fire Spark system and the Manifold Air Pressure sensor (MAP) for the future Sportster models. | ||
| - | Like the other 1998-2003 models, the 1200Sport ICM is no longer available from the MoCo. Some have coverted to using the aftermarket nosecone ICM as mentioned above for the non-1200Sport models. (See Aftermarket Ignition Swap: [[http://xlforum.net/forums/showthread.php?t=1382357]] ((Article by steelworker of the XLFORUM)) ) | + | Like the other 1998-2003 models, the 1200Sport ICM is no longer available from the MoCo. Some have converted to using the aftermarket nosecone ICM as mentioned above for the non-1200Sport models. (See Aftermarket Ignition Swap: [[http://xlforum.net/forums/showthread.php?t=1382357]] ((Article by steelworker of the XLFORUM)) ) |
| ^ OEM Ignition Control Modules (Latest Known Superceded Version) ||||| | ^ OEM Ignition Control Modules (Latest Known Superceded Version) ||||| | ||
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| * Ignite it too late, and you loose a lot of the power of the gases, since the piston will reach bottom before the gasses finish expanding. ((http://xlforum.net/forums/showthread.php?t=278587)) | * Ignite it too late, and you loose a lot of the power of the gases, since the piston will reach bottom before the gasses finish expanding. ((http://xlforum.net/forums/showthread.php?t=278587)) | ||
| + | ^ The timings and rpms in the following chart are from the Factory Service Manuals as listed in the footnotes. |||||| | ||
| ^ Year ^ 0°=TDC\\ Timing Mark ^ 20°BTDC Adv\\ Timing Mark ^ 40°BTDC Adv\\ Timing Mark ^ Timing Hole\\ on Engine ^ Notes | | ^ Year ^ 0°=TDC\\ Timing Mark ^ 20°BTDC Adv\\ Timing Mark ^ 40°BTDC Adv\\ Timing Mark ^ Timing Hole\\ on Engine ^ Notes | | ||
| | 1986-90 | Vertical Line | None | Single Dot | Left Side | Set Idle = 1650-1950rpm - Use Timing Light - Look for Single Dot (40°) - 4sp Trans Models| | | 1986-90 | Vertical Line | None | Single Dot | Left Side | Set Idle = 1650-1950rpm - Use Timing Light - Look for Single Dot (40°) - 4sp Trans Models| | ||
