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I have to take the bolts out of the cylinder head that hold the exhaust head pipes on and I was wondering what is the best way to do it without striping them out. Also I was wondering what the torque was on these bolts when replacing them. Thanks again.
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1982 XJ1100 -
Well, Conky ...
the fastener that holds the exhaust pipes to the cylinder head is usually an 8mm stud of between 15 and 25 mm depending on whether we're dealing with a Special or Standard head and stock exhaust. On the stud should be a nut that has an internal hex head so an allen wrench would fit ... with me so far?
If what you're saying is that there are now bolts holding the pipes on instead of the fastener I just described, I would recommend that you attempt to replace them with a stud and nut assembly. Carefully remove the bolts and guage the length or look at the Yamaha microfiche for the size that will work on your particular bike. Loctite the studs in and use the factory style nuts in place of the bolts.80G Mini-bagger
VM33 Smooth bores, Pods, 4/1 Supertrapp, SS brake lines, fork brace
Past XS11s
79F Stone stocker and former daily driver, sold May '10 now converting for N.O. to cafe style
79SF eventually dismantled for parts
79F Bought almost new in 80, sold for a house
79F The Ernie bike sold to a Navy dude summer 08
79SF Squared-off Special, Vetter/Bates tour pkg., Mikes XS coils, G rear fender and tail light. Sold June 09 -
I know the special hex head nuts that you are talking about are available at Bike Bandit.com because i just purchased them on Sunday.1980 XS1100 SG
Inline fuel filters
New wires in old coils-outer spark plugs
160 mph speedometer mod
Kerker Exhaust
xschop K & N air filter setup
Dynojet Recalibration kit
1999 Kawasaki ZRX1100
1997 Jeep Cherokee 4.5"lift installedComment
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