whats the best plug for 49cc 4 stroke

S

stewpedassle

New Member
just swappped everything to 29" astr everything is upgraded doing exhaust this weekend figured only thing left is plug hav tranny intake sprocket adapter carb all upgradedwill provide pics after exhaust is wraped w fiberglass.anyway whats best plug for hs 49cc 4stroke.trk
 
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