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FJR Motorcycle Forums
Technical & Mechanical Problems
How to check R/R voltage on a Gen II?
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<blockquote data-quote="mcatrophy" data-source="post: 1313891" data-attributes="member: 3187"><p>I'm having trouble keeping out of this, so, as it's Friday, I won't.</p><p></p><p>The original wiring put in by Yamaha is adequate for the task. If it was inadequate, no FJR could maintain its battery charge.</p><p></p><p>Assuming the stator and the RR are OK, what deteriorates are the connectors. A tiny bit of corrosion can cause a lot of voltage drop when you are dealing with several tens of amps.</p><p></p><p>Replacing the loom will clean the connectors on the RR. So will unplugging the original, cleaning the connections, putting on a little anti-corrosion stuff, and replacing.</p><p></p><p>It is also possible the crimping of the wires in the pins corrodes. Squeezing with pliers will provide a temporary improvement. Soldering the wire to the pin would provide a more permanent cure (there are those who say soldering is unsuitable for automotive use, if that's a worry to you, replace the connector pins and re-crimp, though you may find the wire too short. Personally, I'm quite happy to solder).</p><p></p><p>There, I feel better now.</p></blockquote><p></p>
[QUOTE="mcatrophy, post: 1313891, member: 3187"] I'm having trouble keeping out of this, so, as it's Friday, I won't. The original wiring put in by Yamaha is adequate for the task. If it was inadequate, no FJR could maintain its battery charge. Assuming the stator and the RR are OK, what deteriorates are the connectors. A tiny bit of corrosion can cause a lot of voltage drop when you are dealing with several tens of amps. Replacing the loom will clean the connectors on the RR. So will unplugging the original, cleaning the connections, putting on a little anti-corrosion stuff, and replacing. It is also possible the crimping of the wires in the pins corrodes. Squeezing with pliers will provide a temporary improvement. Soldering the wire to the pin would provide a more permanent cure (there are those who say soldering is unsuitable for automotive use, if that's a worry to you, replace the connector pins and re-crimp, though you may find the wire too short. Personally, I'm quite happy to solder). There, I feel better now. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
How to check R/R voltage on a Gen II?
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