[Cam_cbr]

Hi was just changing spark plugs on 1990 mc22 and was tightening the last one i felt it go tight by hand so i put a wrench on and turned it abit and it went loose pulled the plug out and the threads missing stuck in the head its the first plug on the left sitting on the bike any idea how i can get this out there goes riding for a while i think i hope not

 

[Cam_cbr]

Hi was just changing spark plugs on 1990 mc22 and was tightening the last one i felt it go tight by hand so i put a wrench on and turned it abit and it went loose pulled the plug out and the threads missing stuck in the head its the first plug on the left sitting on the bike any idea how i can get this out there goes riding for a while i think i hope not

 

[Cam_cbr]

Update my brother got it out with an easy out lucky me

 

[Dannoxyz]

Wow, that was scary!
Did you retrieve all pieces? Electrode tip not missing?

 

[Cam_cbr]

Wow, that was scary!
Did you retrieve all pieces? Electrode tip not missing?

Yeh very scary haha yeh got the thread out with the tip still attached

 

[vitamine27]

Yeh very scary haha yeh got the thread out with the tip still attached

Lucky, are you using NGK?
note that these plugs only have a half thread, so need a lot less tension than a car plug, it takes about half a turn to squash the crush washer, if you're not sure back it up a bit, if no resistance, tighten a bit more.