Thanks for the info. The starter bolts were pretty tight, and the upper one was really difficult to get to. Did not appear as if the starter had moved, so i would guess that any alignment problem was related to the starter drive. Think it would be wise to replace the starter drive parts when i replace the ring gear. I have not heard back yet from the vendor as to whether or not the replacement ring gear is steel or aluminum. I will try and find a steel gear. I usually leave the machine running when i am working, only shutting it off if i am going to be doing some other task like cutting up a felled tree back in the timber. Otherwise i leave the motor running. Never had any problem the first year after the new engine was installed. Looks like pulling the starter and checking the pinion gear might be a good idea. I could rotate the engine to bring it to a good spot on the gear, but i do have two other tractors that i can use in the meantime. Mowing is done for the year, and i have my old B-10 horse to plow with. I suppose i could put the cub plow on the 1872 that i picked up in August, but i really wanted to do some work on that before i used it. Thanks again for your insights. Always something to learn on this site.
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