2007 Suzuki Boulevard C50 Black "rattling noise giving gas" Questions

...giving maximum looseness to the lower run, where the adjuster works off of. This (in theory) should take enough load off the adjuster spring so that it tries to tighten the chain to the next tooth on ...

...GIVING IT THE GAS. COULD PLEASE INFORM ME IF A BIKE LIKE THIS WITH WHAT I CONSIDER LOW KLMS WOULD NEED POWER VALVE MAITENANCE OR REPLACEMENT, OR IS THIS A COMMON TRATE OF BIG BORE TWO STROKES OR A ...