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Guys I just bought 1981 Gs650g this Sunday, today I removed the spark plugs to replace them and I noticed 1 of them was all the way down snug, it allso was a lot harder to remove, That's when I realized it had been cross threaded, And it came to a complete stop around halfway down the threads, Just how big of a nightmare have I got myself into
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It’s my bike I’ll run it in the ground if I want to -
It's likely other nightmares await you! But for this problem, you need a spark plug chaser- basically a tap that removes/restores the damaged thread. Goop it up with thick wheel bearing grease- this will very likely catch/ hold any metal shavings. Me, I'd probably lay bike on its side to improve odds of not having any shavings fall down into cylinder. Don't rush!1981 gs650L
"We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin -
Torque plugs to between 11 and 15 lbs. There are enough threads where you can chase them and it should be ok.1981 GS650G , all the bike you need
1980 GS1000G Power corrupts, and absolute power corrupts absolutelyComment
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Don't use a regular tap, get the proper thread chaser tool. If a few random aluminum shards fall in the cylinder it won't hurt anything. They will get burned up during combustion or blown out the exhaust.Ed
To measure is to know.
Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182
Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846
Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf
KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-ResurrectionComment
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I got one of these to fix a cross threaded plug in an FJ1200:
Basically you insert the tool past the threads, engage it and then reverse it out. It starts on the "good" threads closest to the combustion chamber so you know it chases correctly.
Current:
Z1300A5 Locomotive (swapped my Intruder for it), GS450 Cafe Project (might never finish it....), XT500 Commuter (I know - it's a Yamaha :eek:)
Past:
VL1500 Intruder (swapped for Z1300), ZX9R Streetfighter (lets face it - too fast....), 1984 GSX750EF, 1984 GSX1100EF (AKA GS1150)
And a bunch of other crap Yamahas....Comment
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