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FJR Motorcycle Forums
Technical & Mechanical Problems
Do I need a new (stock) stator?
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<blockquote data-quote="RossKean" data-source="post: 1436539" data-attributes="member: 19880"><p>First of all, check parasitic draw - key off and place an ammeter between the negative battery post and negative lead. (Or use a clamp-on DC ammeter - note, many clamp-on meters are AC only)</p><p></p><p>If the draw is as much as a couple of milliamps, you have a problem somewhere. Start pulling fuses until it goes away to try to track it down. Next do the same measurement with key on but the bike not started. Once the fuel pump shuts off, you will be powering tail lights, front marker lights, ECU, gauges and some relays. Shouldn't be high current draw but I don't know exactly how much.</p><p></p><p>Look here:</p><p></p><p><a href="https://www.fjrforum.com/topic/160097-fjr-ignition-current-draw/" target="_blank">FJR Ignition current draw - Technical Discussions - FJRForum</a></p><p></p><p>As FJRay mentioned, check the voltage at elevated rpm. Check stator voltage as well. Also check to make sure battery and ground connections are tight. Sometimes all that is needed is to clean and tighten connections. Battery and R/R.</p><p></p><p>Good luck</p></blockquote><p></p>
[QUOTE="RossKean, post: 1436539, member: 19880"] First of all, check parasitic draw - key off and place an ammeter between the negative battery post and negative lead. (Or use a clamp-on DC ammeter - note, many clamp-on meters are AC only) If the draw is as much as a couple of milliamps, you have a problem somewhere. Start pulling fuses until it goes away to try to track it down. Next do the same measurement with key on but the bike not started. Once the fuel pump shuts off, you will be powering tail lights, front marker lights, ECU, gauges and some relays. Shouldn't be high current draw but I don't know exactly how much. Look here: [URL="https://www.fjrforum.com/topic/160097-fjr-ignition-current-draw/"]FJR Ignition current draw - Technical Discussions - FJRForum[/URL] As FJRay mentioned, check the voltage at elevated rpm. Check stator voltage as well. Also check to make sure battery and ground connections are tight. Sometimes all that is needed is to clean and tighten connections. Battery and R/R. Good luck [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Do I need a new (stock) stator?
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