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<blockquote data-quote="SkidRoe" data-source="post: 58896" data-attributes="member: 3290"><p>The stock alternator in the repower is barely cutting it. </p><p>The original Kohler had about a 20 amp charging circuit, and the 20hp Launtop only has 3 amps on tap (engines with 20 amp alternators were available, but I got this engine cheap). It is barely passable to recharge the battery after starting, and running the fuel pump / fuel shut-off solenoid (so long as you are not starting and shutting down a lot), but lights are out of the question.</p><p>I priced the Honda parts to put their 20 amp alternator coils / regulator in, and it comes out to about $400, plus you have to pull the motor to do it (fly wheel has to come off).</p><p>So my plan is to belt drive a second alternator from the crank shaft. I picked up a new 55 amp Denso one-wire for about $85, and will be installing a 4" pulley on the crank to drive it. These alternators are becoming really popular with hot-rodders, as they are really compact.</p><p>The parts are coming together and I am hoping to get a start on it over the weekend. And I will be taking pictures.</p><p>More to come,</p><p>SR</p></blockquote><p></p>
[QUOTE="SkidRoe, post: 58896, member: 3290"] The stock alternator in the repower is barely cutting it. The original Kohler had about a 20 amp charging circuit, and the 20hp Launtop only has 3 amps on tap (engines with 20 amp alternators were available, but I got this engine cheap). It is barely passable to recharge the battery after starting, and running the fuel pump / fuel shut-off solenoid (so long as you are not starting and shutting down a lot), but lights are out of the question. I priced the Honda parts to put their 20 amp alternator coils / regulator in, and it comes out to about $400, plus you have to pull the motor to do it (fly wheel has to come off). So my plan is to belt drive a second alternator from the crank shaft. I picked up a new 55 amp Denso one-wire for about $85, and will be installing a 4” pulley on the crank to drive it. These alternators are becoming really popular with hot-rodders, as they are really compact. The parts are coming together and I am hoping to get a start on it over the weekend. And I will be taking pictures. More to come, SR [/QUOTE]
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