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techtalk:ref:svcproc22 [2019/01/09 04:09] ixl2relax ↷ Links adapted because of a move operation |
techtalk:ref:svcproc22 [2020/01/14 00:43] ixl2relax ↷ Links adapted because of a move operation |
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* You can use the TDC mark etched into your flywheel on 2003 and prior stock engines to find TDC. | * You can use the TDC mark etched into your flywheel on 2003 and prior stock engines to find TDC. | ||
* The marks should be accurate enough on these engines although [[techtalk:ref:svcproc22#finding_true_tdc|True TDC]] can be checked if need be. | * The marks should be accurate enough on these engines although [[techtalk:ref:svcproc22#finding_true_tdc|True TDC]] can be checked if need be. | ||
- | * [[techtalk:ih:engctl01f|Click here for stock 57-85 TDC symbol identification]]. | + | * [[techtalk:ih:engctl01#timing_marks|Click here for stock 57-85 TDC symbol identification]]. |
* [[techtalk:evo:engctl01#ignition_timing_-_all_models_thru_2003|Click here for stock 86-03 TDC symbol identification]]. | * [[techtalk:evo:engctl01#ignition_timing_-_all_models_thru_2003|Click here for stock 86-03 TDC symbol identification]]. | ||
- | * If you've upgraded to a 2004 or later flywheel assembly, (on 03 and prior engines) you'll have to [[techtalk:ref:engmech01c|make your own TDC mark]] on these if you need one. \\ (this procedure can also be used to create the advance timing mark) | + | * If you've upgraded to a 2004 or later flywheel assembly, (on 03 and prior engines) you'll have to [[techtalk:ref:engmech01l|make your own TDC mark]] on these if you need one. \\ (this procedure can also be used to create the advance timing mark) |
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* Or you can [[techtalk:ref:svcproc22#find_tdc_using_a_straw|use a straw inserted into the spark plug hole]] to measure when the piston has reached the top. | * Or you can [[techtalk:ref:svcproc22#find_tdc_using_a_straw|use a straw inserted into the spark plug hole]] to measure when the piston has reached the top. | ||
- | |{{:techtalk:ref:tools:tdc_whistles_by_hippysmack.jpg?direct&300|}}| | + | |{{:techtalk:ref:tools:tdc_whistles_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:tools:tdc_whistle_2_by_hippysmack.jpg?direct&300|}}| |
- | | TDC whistles ((photo by Hippysmack)) | | + | | 14 mm and 12 mm TDC whistles ((photo by Hippysmack)) | 12 mm TDC whistle ((photo by Hippysmack)) | |
===== Confirming Which TDC You're On Using the Timing (rotor) Cup ===== | ===== Confirming Which TDC You're On Using the Timing (rotor) Cup ===== | ||
It is possible to confirm whether the piston is on [[techtalk:ref:svcproc22#tdccompression_stroke_vs_exhaust_stroke_of_the_piston|compression or exhaust stroke]] by removing the nosecone cover and ignition and verifying which position the notch in the timing rotor is pointing. \\ | It is possible to confirm whether the piston is on [[techtalk:ref:svcproc22#tdccompression_stroke_vs_exhaust_stroke_of_the_piston|compression or exhaust stroke]] by removing the nosecone cover and ignition and verifying which position the notch in the timing rotor is pointing. \\ | ||
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**Front Cylinder**: | **Front Cylinder**: | ||
- | | **Timing Cup** position at TDC on compression stroke. \\ Slot is up to the left. ((photo by Hippysmack)) | **Timing cup** position at TDC on exhaust stroke. \\ Slot is down to the right. ((photo by Hippysmack)) | | + | | **Timing Cup** position at TDC on compression stroke. \\ Cup mounting notch (near bolt) is up to the left. ((photo by Hippysmack)) | **Timing cup** position at TDC on exhaust stroke. \\ Cup mounting notch (near bolt) is down to the right. ((photo by Hippysmack)) | |
|{{techtalk:ref:svcproc:timing_cup_position_on_tdc_compression_stroke_1_by_hippysmack.jpg?direct&300|}}|{{techtalk:ref:svcproc:timing_cup_position_on_tdc_exhaust_stroke_1_by_hippysmack.jpg?direct&300|}}| | |{{techtalk:ref:svcproc:timing_cup_position_on_tdc_compression_stroke_1_by_hippysmack.jpg?direct&300|}}|{{techtalk:ref:svcproc:timing_cup_position_on_tdc_exhaust_stroke_1_by_hippysmack.jpg?direct&300|}}| | ||