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12/23/2015
Location
Boston, MA
US
Edited Date/Time
6/29/2022 9:44pm
Sorry for asking what is likely an obvious question but I want to be sure I’m doing it right. I have a ktm 250sx I just bought used that’s missing 2 engine bolts that secure it to the frame. I ordered the replacement parts but noticed the old nuts are still in these metal cages. Am I supposed to peel back the metal flaps to remove them and replace it with the new ones I ordered? Also should I be running loctite on the threads and or grease the new bolts? Thanks.
Then you can go to a major bolt manufacturer website and they'll have a chart. Usually their charts are for
dry threads. I don't know how locktite affects the torque value, antiseize does affect it quite a bit.
TM
The Shop
I'd recommend 263 if you can find it. It's applicable to most bolts on the bike that need strong resistance to loosening (like engine bolts) and doesn't require a primer to be used. If you want to use 272 for example, you really should clean everything and use a primer first, otherwise it won't "lock" nearly as well.
Use the recommended dry torque value for Loctite 263 or 262, let it set up over 24 hours, and you'll be good to go.
Loctite 243 will act as a lubricant and gives you increased tension for the same torque, e.g., "over-torqued" (actually over-tensioned)
Loctite 263 does the opposite and gives you reduced tension for the same torque, e.g. "under-torqued" (actually under-tensioned)
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