Disconnect one of the battery cables and connect an unpowered test light that has a real, small incandescent lamp inside (no batteries, no LED, no buzzer, just a simple test light with a low wattage incandescent lamp) in series between the battery cable and the post it was removed from. (Either cable works for this.)
If the test light lights or even glows faintly you have a current draw that is draining the battery.
Disconnect various components one at a time (generator, regulator, ignition coil, light switch, etc., etc., whatever it's equipped with. When the test light goes dark you have found your parasitic draw.
On the other hand, if diagnosing this sort of thing is not your strong suite there's nothing wrong with slipping a battery cable off during while it's sitting unused, or if the "Correct Police" will allow, install a battery disconnect.
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Today's Featured Article - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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