To Loctite or not to Loctite

Classic Norton Commando Motorcycles.

To Loctite or not to Loctite

Postby Cowboy Don » Fri Sep 16, 2011 11:34 pm

Quick question. I've got a pair of velocity stacks, I believe they're spun brass, and a mate wants to use them on his Amals. Will using Loctite 243 cause any problems between the pot metal and the stacks? Or should we just go a bit of anti-seize?
Before you get started, lets not discuss whether or not he should even be using the stacks as opposed to filters.
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Re: To Loctite or not to Loctite

Postby Peter R » Sat Sep 17, 2011 2:00 am

The problem with locktite on large diameter/ fine threaded objects like carburator bellmouths is ,that it will be extremely difficut ,or even impossible to remove the bellmouth again .
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Re: To Loctite or not to Loctite

Postby travelerjerry » Sat Sep 17, 2011 5:46 am

Perhaps one wound of teflon tape on the carb threads?
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Re: To Loctite or not to Loctite

Postby hobot » Sat Sep 17, 2011 6:40 am

Yes I just recently, like 7 days ago learned that blue mild loctite can ruin your day and screws slots removing bowl and cap. Might only put a dab on and consider hair drier on hi before trying to remove. I'd try the tape myself but road vibes and heat may loosen that too. Personally I'd bet funnels screw on with its own friction pretty well.
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Re: To Loctite or not to Loctite

Postby lcrken » Sat Sep 17, 2011 11:22 am

My experience with aluminum stacks on Amals is that they are quite tight with no locking compound required. I use a little anti-seize on the threads just so I can get them off later. Never had any brass ones, but if they are tight to start with, anti-seize might work for them too.

If you do decide to use Locktite, they make a lower strength product (222 purple) that is intended for small screws, used extensively by gunsmiths for the small screws on scope mounts on rifles, that might be better than the regular "removable" blue Locktite.

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Re: To Loctite or not to Loctite

Postby rvich » Sat Sep 17, 2011 2:56 pm

Seems like a good spot for a smear of the dreaded silicone.

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Re: To Loctite or not to Loctite

Postby AussieCombat » Sun Sep 18, 2011 11:51 pm

A light spray of any pressure pack paint will help on the threads.
And not as permanent as Loctite.
OR
If the mouths are close enough together, a small hole in each one and some tie wire will stop them
from turning.
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Re: To Loctite or not to Loctite

Postby grandpaul » Mon Sep 19, 2011 7:33 am

AussieCombat wrote:A light spray of any pressure pack paint will help on the threads.


They make clear, too...
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