Recent content by krza

Here’s the early update: I put a test meter on it (two different ones, actually, to be redundant). Set point seems to be sub 14.4 volts, occasionally touches 14.4 but but never above. Taped it to the tank and rode around. Seems to be holding around 14.2. Will report back!

that’s fair haha.

Thank you Jim. Given your note about repeatedly draining the battery, I’m starting to pivot my thinking here. Because it’s a seven amp hour battery and it probably doesn’t have the correct amperage and cold cranking amp‘s in order to run the electric starter, which I’m doing and I probably...

Yes to be clear: I ran the regulator that shipped with the PMA, and it caused problems with the battery due to (what I believe to be) overcharging from high amperage. I bought the MOSFET because it’s rated to 500W, incorrectly thinking that it shunts off excess amperage. But I think the 500W...

For sure! I bought the PMA from Mikes because Hugh’s Handbuilt has been out of stock forever. I bought the MOSFET from Revival for the same reason. XSCharge XS650 PMA | Permanent Magnet Alternator https://www.mikesxs.net/yamaha-xs650-xscharge-permanent-magnet-alternator-kit-pma-200-watt.html...

It’s a 3-phase, it has 3 yellow wires from the stator to the MOSFET regulator. Sorry everyone, the other two post replies are over my head haha.

I had a lithium battery burn up on this XS as well, a Shorai LFX19A4-BS12. The problem is that was before I put the MOSFET regulator in it, and I think the standard solid state regulator rectifier was set too high and I’ve heard lithium batteries don’t like too much voltage. What’s a Y phase...

*exact* problem is this: I replaced the stock charging system with a 200W PMA (was a totally clapped out barn find bike for $700 and needed it, as the rotor did not pass charging system diagnostic test). I also built a small battery box to have a minimal look, it fits a generic 7ah AGM power...

Gotcha, thanks. I’m not super knowledgeable about electrics generally, so I could be way off but here’s what I understand based on a thread in this forum, a comment from pamcopete specifically: “Add up the current that your electrical system uses. Subtract that from the max current from the...

thanks for the reply. The headlight is just an H4 bulb that is pretty common, I have looked for other higher wattage options but haven’t found anything. The AGM battery I run seems to be destroyed by the charging system amperage, I’ve gone through a few of them now. The MOSFET handles the...

Hey all. I'm running a 200W PMA with a MOSFET regulator in my 1975 XS. I can't run a small battery (7ah AGM) because the wattage output from the PMA is too high and I run minimal electrics (35W/55W headlight and LED tail light). I know I'm causing all my own problems here with the electrical...

Hey @pamcopete . I'm resurrecting this thread. I ran this system with a capacitor setup for some years, but I've decided to go back to a battery. I totally forgot about this issue with the 200w stator and the battery size, and I toasted a 14ah Shorai lithium iron battery first, and then a 10ah...

Hey all! I have a 1975 XS650, custom tracker sort of thing. After rebuilding the motor I installed the Pamco e-ignition and e-advance. I’m not a pro mechanic or electrician, but I’m good enough to follow directions and solder some good connections and install everything correctly. The...

Sheet metal, glass, and ice rinks, mostly. Okay real answer is asphalt of all texture. Standard city streets. I've lost the back tire in hot weather on dry pavement, I lost it in warm weather on damp pavement, cold weather on dry and damp pavement... the list goes on. Dampness obviously is a...

Very new. Bought last spring. I'm running them at 32 PSI.