A follow up... my issue didn't require any new parts! I flipped up the mower to take the blade brake clutch off and found that the center bolt (8 mm allen head) had all but fallen out of the crankshaft. I pulled off the blade, removed the last few threads holding the center bolt in place and...
Mine has the woodruff key on the crankshaft, so I can't use the adapter with the full length key. I see a full length key in photos of the GY20805. Was this key removable, or was your crankshaft fully slotted. Thanks for the clarification!
I've owned my JD 14SB since 1990. Great machine. Starts on second pull every time. I currently use it for edging about 1/2 hr per week.
I replaced the original Ogura Blade Brake Clutch in 1999 with Warner Clutch Replacement Kit p/n AM121452. It seems to be "that time" again. Today, the...