1981 Suzuki Gs 550 L "gs550l keep running" Questions

How to tighten the chain I have a 1981 suzuki gs550l and the chain is way to loose and rattles everytime i switch gears... how do i tighten this? Loosen the rear axle nut mounting the wheel to the ...

...gs550l from starting? I have a brand new battery. It runs awesome and has plenty of power. I went to start it recently and now the relay just clicks. Do i need a new starter? i cant afford to just ...

...GS550L that won't start unless I use ether. After I get it started I have to choke the air cleaner with my hand to keep it running, even with the enrichers on all the way. After it warms up it will ...