Ooo, instrument needles fluttering. I'll bet u a buck off an oil filter it's the battery or connections. That's exactly what happens when system voltage is too low.
I'll bet u a crush washer your battery has smooth sides and is branded exide. Those batteries had a high failure rate.
Owned to date. Honda Aero 50, Honda Elite 80, Honda Elite 250x2, Suzuki Katana, Suzuki RF600, Yamaha YZF1000R, Kymco Xciting 500, Suzuki GS500, Suzuki Burgman 650, BMW F800GSx2, BMW S1000RR, Aprilia Scarabeo 200, Aprilia Caponord, Aprilia Sportcity 250
I love and miss you Jeneca and I'm sorry.