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techtalk:ref:engmech01l [2018/05/20 07:28] ixl2relax ↷ Links adapted because of a move operation |
techtalk:ref:engmech01l [2020/01/14 00:47] (current) ixl2relax [REF: Engine Mechanicals - Sub-01C] |
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| - | ====== REF: Engine Mechanicals - Sub-01C ====== | + | ====== REF: Engine Mechanicals - Sub-01L ====== |
| - | ====== Making Your Own TDC Mark in the Crankshaft (03 and prior engines) ====== | + | ====== Making Your Own TDC Mark on the Flywheel (03 and prior engines) ====== |
| * When upgrading a 2003 or earlier engine with a 2004 and up crankshaft, you'll need to create your own timing mark as these will not have one. Base timing on 04 and up is set in the programmable Engine Control Module (ECM) using a CKP Sensor at the flywheel teeth. | * When upgrading a 2003 or earlier engine with a 2004 and up crankshaft, you'll need to create your own timing mark as these will not have one. Base timing on 04 and up is set in the programmable Engine Control Module (ECM) using a CKP Sensor at the flywheel teeth. | ||
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| * Arguably, the best tool to use to achieve true TDC is a dial gauge whether you hang it from a post or use a depth gauge doesn't matter as long as you can make it stable where it doesn't move. How much it takes to move the gauge depends on how you intend to turn the engine over. Turning the rear wheel will jostle the entire bike and engine, while turning the crankshaft alone yields little to no movement of the engine case. | * Arguably, the best tool to use to achieve true TDC is a dial gauge whether you hang it from a post or use a depth gauge doesn't matter as long as you can make it stable where it doesn't move. How much it takes to move the gauge depends on how you intend to turn the engine over. Turning the rear wheel will jostle the entire bike and engine, while turning the crankshaft alone yields little to no movement of the engine case. | ||
| - | * A dial depth gauge will probably not work for single plug heads as there is no positive placement where it will stay put while working. | + | * This dial depth gauge will probably not work for single plug heads as there is no positive placement where it will stay put while working. |
| * Check the length of probe needed on the dial gauge prior to setting it in the plug hole by using a straw in the hole and turning the engine to get the approximate TDC. | * Check the length of probe needed on the dial gauge prior to setting it in the plug hole by using a straw in the hole and turning the engine to get the approximate TDC. | ||
| * Use a rounded probe end (not the pointer type) so it will slide up when the piston contacts it instead of getting stuck and binding up. | * Use a rounded probe end (not the pointer type) so it will slide up when the piston contacts it instead of getting stuck and binding up. | ||
