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It was new a few months ago, and has been on the battery tender quite a bit over the last month. Battery seems to be holding charge(12.5-12.7V by itself). I guess to test it I can pull the battery from my Hayabusa and drop it in the bike since I know for sure it is good.

Ill look into it. I cut out the old fuses and replaced them with blade ones. Fire the bike up and was able to get the voltage to climb to 13.8v at 3000 RPM, but it took it 30 seconds to get there. Ill take it for a spin tomorrow and see if this has helped the issue of no power in 4th/5th...

Another update......got the new rotor installed, and the battery at least charges now. Can only get it to go up to 13.5v at 3000 RPM. Going to cut the fuse panel out and wire in blade style fuses and see what happens. Just want this to be over haha

Update now that Im back from the rig.....got the new brushes in with no change. Decided to check the rotor again and couldnt get it to give me a reading over 1 ohm. Needless, ordered a new rotor for it. Going to pull the exhaust as well this week while its down and make sure there are no...

Outside brush was 9.6mm, inner brush was 9.72mm. Rotor resistance was a little tougher to get (hard to get consistent reading), but saw 5.1 ohms for a short period of time. Other then that it was bouncing between there and about 3 ohms. Im going to order some brushes and get those replaced...

Just went out and checked on the battery voltage. I havent had it on the battery tender for about two weeks now, and Ive just been running around town on it. with the bike off its showing 12.5, and showing about the same on idle. When I pull the bike up to 3k RPM's, it only gets up to about...

I will look into that. The battery did go dead the last time we were out riding (brand new battery), but havent had it happen again since Ive had it. I know its holding a charge, and it jumps up when you start (i think it was around 13.2 at idle), and up to 13.4/.5 when reved up. I will do a...

Hey guys, Im at my wits end with this bike :laugh: a little background on myself since Im new....had an 81 xs650 in high school that I tore down to the frame and rebuilt, and rode for 4-5 years before moving on to sports bikes...currently ride a Hayabusa. A friend of mine has this '80 650 that...