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techtalk:ref:svcproc22 [2019/01/09 02:49] ixl2relax ↷ Page name changed from techtalk:ref:trouble05 to techtalk:ref:svcproc22 |
techtalk:ref:svcproc22 [2019/01/09 04:09] ixl2relax ↷ Links adapted because of a move operation |
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| [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | ||
| - | ====== REF: Troubleshooting - Engine - 05 ====== | + | ====== REF: Service Procedures 22 ====== |
| ====== Finding TDC of the Piston ====== | ====== Finding TDC of the Piston ====== | ||
| ==== True TDC ==== | ==== True TDC ==== | ||
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| By using these steps, some have found that their factory TDC mark on the flywheel was not centered in the timing hole. (it happens). \\ | By using these steps, some have found that their factory TDC mark on the flywheel was not centered in the timing hole. (it happens). \\ | ||
| - | [[techtalk:ref:trouble05#accuracy_of_true_tdc_using_only_a_dial_indicator|Accuracy of True TDC Using Only A Dial Indicator]] \\ | + | [[techtalk:ref:svcproc22#accuracy_of_true_tdc_using_only_a_dial_indicator|Accuracy of True TDC Using Only A Dial Indicator]] \\ |
| - | [[techtalk:ref:trouble05#find_true_tdc_using_a_dial_indicator_and_a_degree_wheel|Find True TDC Using a Dial Indicator and a Degree Wheel]] \\ | + | [[techtalk:ref:svcproc22#find_true_tdc_using_a_dial_indicator_and_a_degree_wheel|Find True TDC Using a Dial Indicator and a Degree Wheel]] \\ |
| - | [[techtalk:ref:trouble05#find_true_tdc_using_a_piston_stop_and_a_degree_wheel|Find True TDC Using a Piston Stop and a Degree Wheel]] \\ \\ | + | [[techtalk:ref:svcproc22#find_true_tdc_using_a_piston_stop_and_a_degree_wheel|Find True TDC Using a Piston Stop and a Degree Wheel]] \\ \\ |
| ==== TDC on the Compression Stroke ==== | ==== TDC on the Compression Stroke ==== | ||
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| There are several ways to go about it depending on reason for needing to find TDC, available tools, if and how far the engine is disassembled, etc. \\ | There are several ways to go about it depending on reason for needing to find TDC, available tools, if and how far the engine is disassembled, etc. \\ | ||
| - | [[techtalk:ref:trouble05#find_tdc_compression_using_the_rocker_arms_as_a_visual|Find TDC (compression) Using the Rocker Arms as a Visual]] \\ | + | [[techtalk:ref:svcproc22#find_tdc_compression_using_the_rocker_arms_as_a_visual|Find TDC (compression) Using the Rocker Arms as a Visual]] \\ |
| - | [[techtalk:ref:trouble05#find_tdc_compression_using_the_timing_mark_on_the_flywheel_57-03|Find TDC (compression) Using the Timing Mark on the Flywheel (57-03)]] \\ | + | [[techtalk:ref:svcproc22#find_tdc_compression_using_the_timing_mark_on_the_flywheel_57-03|Find TDC (compression) Using the Timing Mark on the Flywheel (57-03)]] \\ |
| - | [[techtalk:ref:trouble05#find_tdc_compression_with_the_rocker_box_off_-_cams_in|Find TDC (compression) with the Rocker Box Off - Cams In]] \\ | + | [[techtalk:ref:svcproc22#find_tdc_compression_with_the_rocker_box_off_-_cams_in|Find TDC (compression) with the Rocker Box Off - Cams In]] \\ |
| - | [[techtalk:ref:trouble05#confirming_which_tdc_you_re_on_using_the_timing_rotor_cup|Confirming Which TDC Your On Using the Timing (rotor) Cup]] \\ | + | [[techtalk:ref:svcproc22#confirming_which_tdc_you_re_on_using_the_timing_rotor_cup|Confirming Which TDC Your On Using the Timing (rotor) Cup]] \\ |
| ==== Verifying Compression By Way of the Spark Plug Hole ==== | ==== Verifying Compression By Way of the Spark Plug Hole ==== | ||
| - | Using the [[techtalk:ref:trouble05#find_compression_using_the_finger_method|The Finger Method]] \\ | + | Using the [[techtalk:ref:svcproc22#find_compression_using_the_finger_method|The Finger Method]] \\ |
| A common practice for knowing when the piston is coming up on the compression stroke. \\ | A common practice for knowing when the piston is coming up on the compression stroke. \\ | ||
| Basically you put your finger over the spark plug hole and wait for the piston to push air past your finger. \\ | Basically you put your finger over the spark plug hole and wait for the piston to push air past your finger. \\ | ||
| - | Using a [[techtalk:ref:trouble05#find_compression_using_a_tdc_whistle|TDC Whistle]] \\ | + | Using a [[techtalk:ref:svcproc22#find_compression_using_a_tdc_whistle|TDC Whistle]] \\ |
| This works on the same principle as using your finger. \\ | This works on the same principle as using your finger. \\ | ||
| The whistle will begin blowing as compression builds in the cylinder. \\ | The whistle will begin blowing as compression builds in the cylinder. \\ | ||
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| So, both ways are more user judgmental than anything scientific. | So, both ways are more user judgmental than anything scientific. | ||
| - | |{{:techtalk:ref:engmech:checking_engine_ccs_with_the_head_on_by_1_billeuze.jpg?direct&300|}}|{{:techtalk:ref:trouble:dial_indicator_for_tdc_by_grind_.jpg?direct&400|}}| | + | |{{:techtalk:ref:engmech:checking_engine_ccs_with_the_head_on_by_1_billeuze.jpg?direct&300|}}|{{techtalk:ref:svcproc:dial_indicator_for_tdc_by_grind_.jpg?direct&400|}}| |
| |For Ironhead and Shovelhead cylinders, \\ pull the head and install the indicator. ((photo by billeuze of the XLFORUM http://xlforum.net/forums/showthread.php?t=1507847))|Evo cylinders will have to be restrained with the \\ PVC couplings or other means. ((photo by by ~Grind~ of the XLFORUM http://xlforum.net/forums/showthread.php?t=1448694))| | |For Ironhead and Shovelhead cylinders, \\ pull the head and install the indicator. ((photo by billeuze of the XLFORUM http://xlforum.net/forums/showthread.php?t=1507847))|Evo cylinders will have to be restrained with the \\ PVC couplings or other means. ((photo by by ~Grind~ of the XLFORUM http://xlforum.net/forums/showthread.php?t=1448694))| | ||
| ===== Find True TDC Using a Dial Indicator and a Degree Wheel ===== | ===== Find True TDC Using a Dial Indicator and a Degree Wheel ===== | ||
| Line 150: | Line 150: | ||
| ====== Finding / Verifying TDC on Compression Stroke ====== | ====== Finding / Verifying TDC on Compression Stroke ====== | ||
| ===== Find TDC (compression) Using the Rocker Arms as a Visual ===== | ===== Find TDC (compression) Using the Rocker Arms as a Visual ===== | ||
| - | You can tell the [[techtalk:ref:trouble05#tdccompression_stroke_vs_exhaust_stroke_of_the_piston|difference between TDC compression and TDC exhaust strokes]] while watching the rocker arms. \\ | + | You can tell the [[techtalk:ref:svcproc22#tdccompression_stroke_vs_exhaust_stroke_of_the_piston|difference between TDC compression and TDC exhaust strokes]] while watching the rocker arms. \\ |
| However, you must look at the valve train __movement__ to be able to tell the difference. \\ | However, you must look at the valve train __movement__ to be able to tell the difference. \\ | ||
| And just as importantly, you have to look at what the valvetrain is doing before you arrive at TDC. ((aswracing of the XLFORUM http://xlforum.net/forums/showthread.php?t=1717577)) | And just as importantly, you have to look at what the valvetrain is doing before you arrive at TDC. ((aswracing of the XLFORUM http://xlforum.net/forums/showthread.php?t=1717577)) | ||
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| * Now stop. | * Now stop. | ||
| - **Anticipate to stop at the nearest TDC from here while rotating the engine forward**: ((aswracing of the XLFORUM http://xlforum.net/forums/showthread.php?t=1717577)) | - **Anticipate to stop at the nearest TDC from here while rotating the engine forward**: ((aswracing of the XLFORUM http://xlforum.net/forums/showthread.php?t=1717577)) | ||
| - | * This will be your ending point of rotation at [[techtalk:ref:trouble05#tdc_on_the_compression_stroke|TDC (compression)]]. | + | * This will be your ending point of rotation at [[techtalk:ref:svcproc22#tdc_on_the_compression_stroke|TDC (compression)]]. |
| - | * You can [[techtalk:ref:trouble05#find_tdc_using_a_straw|insert a drinking straw into the spark plug hole]] as a 'feeler' and watch for it to rise to the top. | + | * You can [[techtalk:ref:svcproc22#find_tdc_using_a_straw|insert a drinking straw into the spark plug hole]] as a 'feeler' and watch for it to rise to the top. |
| * When you see it peak and start going back down, back up a little to where it sits steady and right at TDC. | * When you see it peak and start going back down, back up a little to where it sits steady and right at TDC. | ||
| * You can also have a helper watch for the TDC line to appear in the center of the timing hole with the plug removed (if applicable). | * You can also have a helper watch for the TDC line to appear in the center of the timing hole with the plug removed (if applicable). | ||
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| * 1957-2003 stock flywheels have TDC marks and advanced timing marks for timing the ignition. | * 1957-2003 stock flywheels have TDC marks and advanced timing marks for timing the ignition. | ||
| * 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:trouble05#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:engctl01f|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]]. | ||
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| * One turning the rear tire and one watching the timing mark in the inspection hole. | * One turning the rear tire and one watching the timing mark in the inspection hole. | ||
| * However, it can be done with one person; | * However, it can be done with one person; | ||
| - | * Rotate the rear wheel slightly, [[techtalk:ref:trouble05#find_tdc_using_a_straw|check piston position using a straw]] and repeat until the piston is close to TDC. | + | * Rotate the rear wheel slightly, [[techtalk:ref:svcproc22#find_tdc_using_a_straw|check piston position using a straw]] and repeat until the piston is close to TDC. |
| * Then nudge the rear wheel forward until the TDC mark appears in the timing hole. | * Then nudge the rear wheel forward until the TDC mark appears in the timing hole. | ||
| * With the transmission in neutral, rotate the crank shaft or pinion shaft with a wrench. \\ (no compression to put undue stress on the pinion shaft) | * With the transmission in neutral, rotate the crank shaft or pinion shaft with a wrench. \\ (no compression to put undue stress on the pinion shaft) | ||
| Line 237: | Line 237: | ||
| - **Listen or feel for compression building in the cylinder as the piston rises** | - **Listen or feel for compression building in the cylinder as the piston rises** | ||
| * Verify when the cylinder is on the compression stroke while rotating the engine by use of an indicator in the spark plug hole. \\ (forced air past the indicator shows compression is building in the cylinder): | * Verify when the cylinder is on the compression stroke while rotating the engine by use of an indicator in the spark plug hole. \\ (forced air past the indicator shows compression is building in the cylinder): | ||
| - | * You can use [[techtalk:ref:trouble05#find_compression_using_the_finger_method|the finger method]] below to feel when the cylinder is pushing out forced air. | + | * You can use [[techtalk:ref:svcproc22#find_compression_using_the_finger_method|the finger method]] below to feel when the cylinder is pushing out forced air. |
| - | * You can also use a [[techtalk:ref:trouble05#find_compression_using_a_tdc_whistle|TDC whistle]] with the same principle. | + | * You can also use a [[techtalk:ref:svcproc22#find_compression_using_a_tdc_whistle|TDC whistle]] with the same principle. |
| * The window in time where both valves are completely closed begins on the compression stroke, with the closing of the intake valve. ((aswracing of the XLFORUM http://xlforum.net/forums/showthread.php?t=1717577)) | * The window in time where both valves are completely closed begins on the compression stroke, with the closing of the intake valve. ((aswracing of the XLFORUM http://xlforum.net/forums/showthread.php?t=1717577)) | ||
| * Both valves stay closed through the rest of the compression stroke, and then most of the following power stroke, at which point the exhaust valve opens. | * Both valves stay closed through the rest of the compression stroke, and then most of the following power stroke, at which point the exhaust valve opens. | ||
| Line 245: | Line 245: | ||
| - **Anticipate to rotate the engine forward to the nearest TDC mark from here**: | - **Anticipate to rotate the engine forward to the nearest TDC mark from here**: | ||
| * Slowly rotate the engine until the TDC mark is in center of the timing hole. | * Slowly rotate the engine until the TDC mark is in center of the timing hole. | ||
| - | * This will be your ending point of rotation at [[techtalk:ref:trouble05#tdc_on_the_compression_stroke|TDC (compression)]]. | + | * This will be your ending point of rotation at [[techtalk:ref:svcproc22#tdc_on_the_compression_stroke|TDC (compression)]]. |
| | This can be removed with a 3/8" Allen hex wrench ((photos by Phillober of the XLFORUM http://xlforum.net/forums/showthread.php?t=1175659&highlight=tapping+threads&page=3)) || | | This can be removed with a 3/8" Allen hex wrench ((photos by Phillober of the XLFORUM http://xlforum.net/forums/showthread.php?t=1175659&highlight=tapping+threads&page=3)) || | ||
| - | |{{:techtalk:ref:trouble:finding_tdc_compression_1_by_phillober.jpg?direct&300|}}|{{:techtalk:ref:trouble:finding_tdc_compression_2_by_phillober.jpg?direct&300|}}| | + | |{{techtalk:ref:svcproc:finding_tdc_compression_1_by_phillober.jpg?direct&300|}}|{{techtalk:ref:svcproc:finding_tdc_compression_2_by_phillober.jpg?direct&300|}}| |
| * Once torque is removed (broken free) while backing out the timing plug, you should be able to turn it out by hand or by using just the Allen wrench socket gently by hand. \\ If you can't turn it out by hand, the threads could be warped or damaged from over torque the last time it was installed. \\ [[techtalk:ref:engmech01a|You can read more about it here]] including repair of damaged threads. | * Once torque is removed (broken free) while backing out the timing plug, you should be able to turn it out by hand or by using just the Allen wrench socket gently by hand. \\ If you can't turn it out by hand, the threads could be warped or damaged from over torque the last time it was installed. \\ [[techtalk:ref:engmech01a|You can read more about it here]] including repair of damaged threads. | ||
| Line 254: | Line 254: | ||
| | When you take out the timing plug, \\ this is more than likely what you see ((photo by Phillober of the XLFORUM http://xlforum.net/forums/showthread.php?t=1175659&highlight=tapping+threads&page=3)) | TDC timing mark in center of window ((photo by Phillober of the XLFORUM http://xlforum.net/forums/showthread.php?t=1175659&highlight=tapping+threads&page=3)) | | | When you take out the timing plug, \\ this is more than likely what you see ((photo by Phillober of the XLFORUM http://xlforum.net/forums/showthread.php?t=1175659&highlight=tapping+threads&page=3)) | TDC timing mark in center of window ((photo by Phillober of the XLFORUM http://xlforum.net/forums/showthread.php?t=1175659&highlight=tapping+threads&page=3)) | | ||
| - | |{{:techtalk:ref:trouble:finding_tdc_compression_6_by_phillober.jpg?direct&300|}}|{{:techtalk:ref:trouble:finding_tdc_compression_7_by_phillober.jpg?direct&300|}}| | + | |{{techtalk:ref:svcproc:finding_tdc_compression_6_by_phillober.jpg?direct&300|}}|{{techtalk:ref:svcproc:finding_tdc_compression_7_by_phillober.jpg?direct&300|}}| |
| ===== Find TDC (compression) with the Rocker Box Off - Cams In ===== | ===== Find TDC (compression) with the Rocker Box Off - Cams In ===== | ||
| - | Without the valves going up and down, the cylinder will simply push out air on both [[techtalk:ref:trouble05#tdccompression_stroke_vs_exhaust_stroke_of_the_piston|the compression and the exhaust strokes]]. ((aswracing of the XLFORUM http://xlforum.net/forums/showthread.php?t=1637369)) \\ | + | Without the valves going up and down, the cylinder will simply push out air on both [[techtalk:ref:svcproc22#tdccompression_stroke_vs_exhaust_stroke_of_the_piston|the compression and the exhaust strokes]]. ((aswracing of the XLFORUM http://xlforum.net/forums/showthread.php?t=1637369)) \\ |
| It's the action of the valves that reduces that to just the compression stroke. \\ | It's the action of the valves that reduces that to just the compression stroke. \\ | ||
| Line 284: | Line 284: | ||
| - **Proceed from there to TDC and you're in the right place**. | - **Proceed from there to TDC and you're in the right place**. | ||
| * Continue rotating the engine forward until the TDC mark appears in the timing hole window (if applicable). | * Continue rotating the engine forward until the TDC mark appears in the timing hole window (if applicable). | ||
| - | * This will be your ending point at [[techtalk:ref:trouble05#tdc_on_the_compression_stroke|TDC (compression)]]. | + | * This will be your ending point at [[techtalk:ref:svcproc22#tdc_on_the_compression_stroke|TDC (compression)]]. |
| - | * You can also [[techtalk:ref:trouble05#find_tdc_using_a_straw|use a straw in the spark plug hole]] to verify when the piston reaches the top. | + | * You can also [[techtalk:ref:svcproc22#find_tdc_using_a_straw|use a straw in the spark plug hole]] to verify when the piston reaches the top. |
| ===== Find TDC Using a Straw ===== | ===== Find TDC Using a Straw ===== | ||
| This is an easy way to measure when the piston is in the TDC area. \\ | This is an easy way to measure when the piston is in the TDC area. \\ | ||
| - | However, it will not tell you if your on [[techtalk:ref:trouble05#tdccompression_stroke_vs_exhaust_stroke_of_the_piston|compression or exhaust (overlap) stroke]], \\ | + | However, it will not tell you if your on [[techtalk:ref:svcproc22#tdccompression_stroke_vs_exhaust_stroke_of_the_piston|compression or exhaust (overlap) stroke]], \\ |
| - | And, it's not an indicator of [[techtalk:ref:trouble05#finding_tdc_of_the_piston|true TDC]]. \\ | + | And, it's not an indicator of [[techtalk:ref:svcproc22#finding_tdc_of_the_piston|true TDC]]. \\ |
| * This can be done with the rocker box on or off. | * This can be done with the rocker box on or off. | ||
| Line 350: | Line 350: | ||
| * One turning the rear tire and one holding a finger over the spark plug hole. | * One turning the rear tire and one holding a finger over the spark plug hole. | ||
| * However, it can be done with one person; | * However, it can be done with one person; | ||
| - | * Rotate the rear wheel slowly while spot checking the piston position with a [[techtalk:ref:trouble05#find_tdc_using_a_straw|straw in the spark plug hole]]. | + | * Rotate the rear wheel slowly while spot checking the piston position with a [[techtalk:ref:svcproc22#find_tdc_using_a_straw|straw in the spark plug hole]]. |
| * When the piston starts rising, place a finger over the plug hole with one hand and bump the rear wheel forward with the other using a wide wingspan. | * When the piston starts rising, place a finger over the plug hole with one hand and bump the rear wheel forward with the other using a wide wingspan. | ||
| * With the transmission in neutral, rotate the crank shaft or pinion shaft with a wrench. \\ (no compression to put undue stress on the pinion shaft) | * With the transmission in neutral, rotate the crank shaft or pinion shaft with a wrench. \\ (no compression to put undue stress on the pinion shaft) | ||
| Line 365: | Line 365: | ||
| - **Anticipate to rotate the engine forward to the nearest TDC mark from here**: | - **Anticipate to rotate the engine forward to the nearest TDC mark from here**: | ||
| * Slowly rotate the engine until the TDC mark is in center of the timing hole. | * Slowly rotate the engine until the TDC mark is in center of the timing hole. | ||
| - | * This will be your ending point of rotation at [[techtalk:ref:trouble05#tdc_on_the_compression_stroke|TDC (compression)]]. | + | * This will be your ending point of rotation at [[techtalk:ref:svcproc22#tdc_on_the_compression_stroke|TDC (compression)]]. |
| | Using the "finger method" to feel compression build ((photo by Phillober of the XLFORUM http://xlforum.net/forums/showthread.php?t=1175659&highlight=tapping+threads&page=3)) | | | Using the "finger method" to feel compression build ((photo by Phillober of the XLFORUM http://xlforum.net/forums/showthread.php?t=1175659&highlight=tapping+threads&page=3)) | | ||
| - | |{{:techtalk:ref:trouble:finding_tdc_compression_8_by_phillober.jpg?direct&300|}}| | + | |{{techtalk:ref:svcproc:finding_tdc_compression_8_by_phillober.jpg?direct&300|}}| |
| Line 403: | Line 403: | ||
| * If your not sure if the tone you hear is the correct tone, continue rotating the engine until you get a feel for it. | * If your not sure if the tone you hear is the correct tone, continue rotating the engine until you get a feel for it. | ||
| - **Anticipate to rotate the engine forward to the nearest TDC from here**: | - **Anticipate to rotate the engine forward to the nearest TDC from here**: | ||
| - | * This will be your ending point of rotation at [[techtalk:ref:trouble05#tdc_on_the_compression_stroke|TDC (compression)]]. | + | * This will be your ending point of rotation at [[techtalk:ref:svcproc22#tdc_on_the_compression_stroke|TDC (compression)]]. |
| * Slowly rotate the engine until the TDC mark is in center of the timing hole. | * Slowly rotate the engine until the TDC mark is in center of the timing hole. | ||
| - | * Or you can [[techtalk:ref:trouble05#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|}}| | ||
| | TDC whistles ((photo by Hippysmack)) | | | TDC whistles ((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:trouble05#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. \\ |
| The rotor is attached to #2 cam and rotates with it. \\ | The rotor is attached to #2 cam and rotates with it. \\ | ||
| Line 431: | Line 431: | ||
| * Use a drinking straw through the spark plug hole and it will stop rising when the piston is at TDC. | * Use a drinking straw through the spark plug hole and it will stop rising when the piston is at TDC. | ||
| - **Decide which stroke your at by inspecting the position of the timing rotor cup**: ((conv90 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1924672&page=2)) | - **Decide which stroke your at by inspecting the position of the timing rotor cup**: ((conv90 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1924672&page=2)) | ||
| - | * Let's say the first rotation stopped with the TDC mark in the observation hole at [[techtalk:ref:trouble05#tdc_on_the_compression_stroke|TDC (compression stroke)]]. | + | * Let's say the first rotation stopped with the TDC mark in the observation hole at [[techtalk:ref:svcproc22#tdc_on_the_compression_stroke|TDC (compression stroke)]]. |
| * When looking at the notch in the center of the rotor, you'll see it is pointing up to the left. | * When looking at the notch in the center of the rotor, you'll see it is pointing up to the left. | ||
| * Now rotate the crank one additional full revolution (360°) back to the TDC mark. | * Now rotate the crank one additional full revolution (360°) back to the TDC mark. | ||
| Line 445: | Line 445: | ||
| **Front Cylinder**: | **Front Cylinder**: | ||
| | **Cam positions at TDC on compression stroke** ((photo by Hippysmack)) | **Cam positions at TDC on exhaust stroke** ((photo by Hippysmack)) | | | **Cam positions at TDC on compression stroke** ((photo by Hippysmack)) | **Cam positions at TDC on exhaust stroke** ((photo by Hippysmack)) | | ||
| - | |{{:techtalk:ref:trouble:cam_positions_on_tdc_compression_stroke_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:trouble:cam_positions_on_tdc_exhaust_stroke_by_hippysmack.jpg?direct&300|}}| | + | |{{techtalk:ref:svcproc:cam_positions_on_tdc_compression_stroke_by_hippysmack.jpg?direct&300|}}|{{techtalk:ref:svcproc:cam_positions_on_tdc_exhaust_stroke_by_hippysmack.jpg?direct&300|}}| |
| **Rear Cylinder**: | **Rear Cylinder**: | ||
| | **Cam positions at TDC on compression stroke** ((photo by Hippysmack)) | **Cam positions at TDC on exhaust stroke** ((photo by Hippysmack)) | | | **Cam positions at TDC on compression stroke** ((photo by Hippysmack)) | **Cam positions at TDC on exhaust stroke** ((photo by Hippysmack)) | | ||
| - | |{{:techtalk:ref:trouble:degreeing_cams_21_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:trouble:degreeing_cams_22_by_hippysmack.jpg?direct&300|}}| | + | |{{techtalk:ref:svcproc:degreeing_cams_21_by_hippysmack.jpg?direct&300|}}|{{techtalk:ref:svcproc:degreeing_cams_22_by_hippysmack.jpg?direct&300|}}| |
| * **With the gearcase cover on, ignition module removed**: The slot in the timing cup sits inside the slot in the #2 cam so the positioning is the same respectively. | * **With the gearcase cover on, ignition module removed**: The slot in the timing cup sits inside the slot in the #2 cam so the positioning is the same respectively. | ||
| Line 455: | Line 455: | ||
| **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. \\ 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)) | | ||
| - | |{{:techtalk:ref:trouble:timing_cup_position_on_tdc_compression_stroke_1_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:trouble: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|}}| |
| ===== Tips for Getting the Transmission in High Gear ===== | ===== Tips for Getting the Transmission in High Gear ===== | ||
