well.. solenoid won't have anything to do with backfireing.
as for points.
lets double check.. IE.. YOU need to pull and verify.
points gap is .015 and you set static timing as per manual with a straight edge.. etc.
now.. make sure you have fire order correct.
1-2-4-3
many people cross 3/4
lastly. IF all that is good.. it may be lean. try tugging choke a lil and see if it stops the backfire and smooths out the acceleration. if so.. she is lean.. might be lean from debris clogging the fuel system at some point from tank to main jet.
screw in main needle to seat then unscrew same # of turns. if no help, and you are not past 2 full turns. enrich by screwing out 1/8 turn and check. if less than 2 turns.. check 1/8 turn at a time till you get near 2. most machines don't need much past that if clean..
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Today's Featured Article - Sunday Drives - by Cowboy. Summer was finally upon us here in Northern Maine. We have two types of industry up here, one being "Forestry" (Wood Products) and the other "Farming" (Potatoes). There is no shortage of farm tractors and equipment around here! I have been restoring old Farm Tractors for the past 6 years, and have found it easier and less expensive to hit all the auctions and purchase whole tractors for parts needed. My wife who works at a local school, and only has weekends and summers off, while on t
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