How can I undo a honda castle bolt without a castle socket?

[M1ke]

The subject says it all really. You know the gay castle bolts that honda typically use to hold their engine in the frame? Is there a way to get them undone without spending a small fortune buying a socket off honda? I am not bothered about keeping the bolt, I just want the engine out.

I have found a crap picture of one on google that may give you an idea of what i'm on about.

https://cbrworld.net/photos/modifications/images/183818/500x375.aspx

[Pete.]

Get a normal socket of a suitable diameter and cut notches in it to suit the castellations.

Or do what I do and use a hammer and drift
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a.k.a 'Geri'

132.9mph off and walked away. Gear is good, gear is good, gear is very very good

[M1ke]

What is the success rate for the hammer and drift?

[Pete.]

100% for me - if it don't go 1st time I find a bigger hammer
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a.k.a 'Geri'

132.9mph off and walked away. Gear is good, gear is good, gear is very very good

[Sparks!]

You don't need to undo it to take the engine out.

It should be a 13mm HEX (allen) key socket to undo it and a normal socket on the other side then it will pull out easily.

I swapped a 600 F Sport engine a few weeks back and definetely did not undo any castle nuts.

Hope it helps.
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Current Toys: 06 Yamaha WR250F | Nissan 350Z GT | Tech 4 Homes

[Itchy]

[Itchy]

this then poses the question,

why do Honda use them what do they bolt onto then?
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Spain 2008France 2007Big one 2009 We all die. The goal isn't to live forever, the goal is to create something that will. In the end, your life will flash before your eyes. Make sure it is worth watching.

[Kickstart]

[Sparks!]

[stinkwheel]

So what's their excuse for using them to hold C90 clutch baskets on with then?
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“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.

[M1ke]

Thanks for the replies, I shall have a poke at it tomorrow.

[c_dug]

[finpos]

I'd check out the price of the tool from Honda, it's not as expensive as you might think, and probably cheaper than buying a socket to cut up to make your own. Guess how I know this.

I think they are used in applications where the nut is recessed into a hole and there's no clearance to get a socket around it.

f.

[Sparks!]

The castle nuts on the cbr's (fsport.f4i, fx) for instance... the castle nuts are attatched to the frame and do not need to be taken off to remove anything... so the question was more whats the point in these nuts? that seemingly do nothing.
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Current Toys: 06 Yamaha WR250F | Nissan 350Z GT | Tech 4 Homes

[Jamie S]

[Itchy]

Its funny , I managed to get myself a CBR600 workshop manual (I have the PDF version but prefer paper only cost me £4 anyway) , and the whole thing read like a Honda special tool catelogue.
____________________
Spain 2008France 2007Big one 2009 We all die. The goal isn't to live forever, the goal is to create something that will. In the end, your life will flash before your eyes. Make sure it is worth watching.

[stinkwheel]

You want to try getting the headstock bearing races out of a KLE500 or a KLR650. No fewer than six special tools required!
____________________
“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.

[Pete.]

[Gazdaman]

Yeah, as Geri said.

My SRAD's got one. Got it out with a suitable sized chizel. Used it like a screwdriver

Gaz