Sprocket nuts seized

[Mike_Berkshire]

Hi all. Front hub polished and now on to rear hub. I need to replace the worn rear sprocket so thought I would remove the old one before I start polishing. I have flattened the tab washers, given the studs/nuts a good squirt of penetrating oil and left them to soak. However all 4 nuts seem seized solid. Before I resort to more destructive methods of removing the nuts are there any tricks/techniques to try? ‘76 550 K2

[Johnwebley]

Heat

Rattle gun

More penetrating oil,diesel is very good

Apply all over the next week

Unless your in a rush

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[Johnny4428]

Bit of heat in case somebody’s been in there with thread lock?

[Honda enthusiast]

loctite freeze and release is worth a try, Mike..not cheap at £20 a can but it freed my wheel nuts on a 1972 Massey 165

[McCabe-Thiele (Ted)]

I used a cordless Impact Driver as I'm old (77 soon) & weak, one of my better buys a few years ago that I bought to undo car wheel bolts.

[Johnwebley]

I used a cordless Impact Driver as I'm old (77 soon) & weak, one of my better buys a few years ago that I bought to undo car wheel bolts.

I have done the same

It's a Chinese Makita copy,

About £25

Plus the same for a battery and charger

I find it OK for hobby use,

Aliexpress, lots of fun toys you never realised you wanted!!!



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[K2-K6]

Is it just the hub assembly and minus the spokes rim etc ?

If so, you'll probably need to anchor it with a chain to get adequate leverage on them. 

As above though, a rattle gun can help you. I bought a makita 1/2 drive one that's beennreslly useful, along with common batteries we've got with other tools.

[Mike_Berkshire]

A good heating with a gas torch and a bash with the trusty impact driver and the job is done.

The nuts are a bit chewed up; do I need special nuts as replacements or are any nuts ok? The ones I have seen online all seem to be flanged and some are nyloc.

[Bryanj]

They are thinner than normal