Differences
This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
techtalk:ih:engctl01a [2018/09/19 12:16] hippysmack [Setting / Adjusting Point Gap] |
techtalk:ih:engctl01a [2019/01/09 02:49] ixl2relax ↷ Links adapted because of a move operation |
||
---|---|---|---|
Line 39: | Line 39: | ||
* One cylinder on compression stroke, firing the combustion gas creating the power stroke. | * One cylinder on compression stroke, firing the combustion gas creating the power stroke. | ||
* The other cylinder through the exhaust stroke (wasted spark). | * The other cylinder through the exhaust stroke (wasted spark). | ||
+ | * The non-firing plug will run at the same temperature as the firing plug as long as they're all the same heat range. ((rivethog of the XLFORUM http://xlforum.net/forums/showthread.php?t=1916320&page=4)) | ||
+ | * If the firing plugs aren't building up carbon, the "spares" shouldn't either. | ||
+ | * A spark plug's running temperature/heat range isn't correlated to being connected to the coil. | ||
* Timing is advanced or retarded by manually rotating the circuit breaker base in relation to the breaker cam. | * Timing is advanced or retarded by manually rotating the circuit breaker base in relation to the breaker cam. | ||
Line 80: | Line 83: | ||
===== Setting /Adjusting Ignition Timing ===== | ===== Setting /Adjusting Ignition Timing ===== | ||
+ | ==== Manual Advance Single Point Circuit Breaker ==== | ||
+ | ==== Auto Advance Single Point Circuit Breaker ==== | ||
+ | ==== Manual Advance Dual Point Circuit Breaker ==== | ||
====== Internal Circuit Breaker (71-78) ====== | ====== Internal Circuit Breaker (71-78) ====== | ||
===== Roll Pin ===== | ===== Roll Pin ===== | ||
Line 124: | Line 129: | ||
==== Timing Adjustment ==== | ==== Timing Adjustment ==== | ||
- | * First, set the front cylinder on the compression stroke. \\ You [[techtalk:ref:trouble05#find_tdc_compression_using_the_rocker_arms_as_a_visual|can watch for both front push rods to become bottomed out]] ((doodah man of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071019&highlight=circuit+breaker)) (collapse the push rod tubes to see the push rod action) \\ See also [[techtalk:ref:trouble05#find_compression_using_the_finger_method|Using the finger method to find the compression stroke]] and [[techtalk:ref:trouble05#find_compression_using_a_tdc_whistle|Using a TDC Whistle to find the compression stroke]]. | + | * First, set the front cylinder on the compression stroke. \\ You [[techtalk:ref:svcproc22#find_tdc_compression_using_the_rocker_arms_as_a_visual|can watch for both front push rods to become bottomed out]] ((doodah man of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071019&highlight=circuit+breaker)) (collapse the push rod tubes to see the push rod action) \\ See also [[techtalk:ref:svcproc22#find_compression_using_the_finger_method|Using the finger method to find the compression stroke]] and [[techtalk:ref:svcproc22#find_compression_using_a_tdc_whistle|Using a TDC Whistle to find the compression stroke]]. |
* Next, remove timing hole plug from the left crankcase. \\ Put the front cylinder advance timing mark in the center of the hole while still on the compression stroke. | * Next, remove timing hole plug from the left crankcase. \\ Put the front cylinder advance timing mark in the center of the hole while still on the compression stroke. | ||
* This sets the front piston at 40° before Top Dead Center (TDC) on the compression stroke. \\ (where the spark occurs when the engine is revving at high revs, with the auto advance unit at full advance). | * This sets the front piston at 40° before Top Dead Center (TDC) on the compression stroke. \\ (where the spark occurs when the engine is revving at high revs, with the auto advance unit at full advance). |