edzword69

I have a 1980 sx850 special. I just picked this one up. I had the exact same bike two years ago color and everything. I loved it. The only major problem I'm having is 2nd gear. When I'm on the throttle in 2nd it bangs/ slips out,, in and out with a big slam/ bang. Doesn't happen when downshifting , slowing down no throttle. .??

I just found another xs850. It's the 2nd one I've owned. This one slips or should I say bangs or slams out of gear when on the throttle Not when down shifting. Only when on throttle. I'm not to familiar with these bikes.