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General Minitrail Talk
Tech Area
CT70 Lighting Coil Exposed
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<blockquote data-quote="allenp42" data-source="post: 183808" data-attributes="member: 8785"><p>I confirmed that a combo of the plate not being tight as Pat pointed out and taking all the slop out of the top coil took care of the problem. The timing advance mechanism can remain intact. Woo hoo. </p><p></p><p>However, not out of the woods just yet. I have <u>not</u> installed on the bike yet, but I have checked it out. Got a nice spark, timing advance seems to work, slight difference in amount of advance at lower RPM's (Xtraspares is more) as compared to the marks I made for a Hitachi, but that's about it. It may be my timing light, but I seem to be loosing sync now and then? Would not bet the farm at this point because I've only used the timing light twice. </p><p></p><p>The lighting coil has issues. If wired color to color per the directions, HL voltage runs about 9 volts under load and there is not enough charging voltage to generate any charging current even at 8,000. Even with the HL off, I don't see much of anything until 5k and it maxes out 0.6a charging current at 8,000 rpm. This will not work. </p><p></p><p>When I swap green and yellow, which is also mentioned in the instructions, charging is ok but HL voltage runs 3 to 4 volts in the range 6,000 - 8,000. Much much lower than anything I've seen before. This won't work either. </p><p></p><p>Honestly, not too surprised because I measured the coil resistance before I tested. It has the least amount turns on the charging circuit of anything I've seen that was for use in the US. </p><p></p><p>I've sent the guy the details so we'll see how he responds.</p></blockquote><p></p>
[QUOTE="allenp42, post: 183808, member: 8785"] I confirmed that a combo of the plate not being tight as Pat pointed out and taking all the slop out of the top coil took care of the problem. The timing advance mechanism can remain intact. Woo hoo. However, not out of the woods just yet. I have [U]not[/U] installed on the bike yet, but I have checked it out. Got a nice spark, timing advance seems to work, slight difference in amount of advance at lower RPM's (Xtraspares is more) as compared to the marks I made for a Hitachi, but that's about it. It may be my timing light, but I seem to be loosing sync now and then? Would not bet the farm at this point because I've only used the timing light twice. The lighting coil has issues. If wired color to color per the directions, HL voltage runs about 9 volts under load and there is not enough charging voltage to generate any charging current even at 8,000. Even with the HL off, I don't see much of anything until 5k and it maxes out 0.6a charging current at 8,000 rpm. This will not work. When I swap green and yellow, which is also mentioned in the instructions, charging is ok but HL voltage runs 3 to 4 volts in the range 6,000 - 8,000. Much much lower than anything I've seen before. This won't work either. Honestly, not too surprised because I measured the coil resistance before I tested. It has the least amount turns on the charging circuit of anything I've seen that was for use in the US. I've sent the guy the details so we'll see how he responds. [/QUOTE]
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