Looking to buy or borrow a castle nut socket

Jayell

Jayell

Well-known member
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I need a four lug castle nut socket for the nuts on the steering bearings on the Guzzi, but I don't know the size.

1000047651.jpg

A C spanner might work, but I'm merely adjusting the tension, so I haven't removed the lower triple and the forks are still installed. I'm not sure if there is enough room to turn a C spanner with the forks in place. I was hoping to avoid having to remove them.

Vise grips are too big and fat. A hammer and chisel won't budge it without causing excessive damage.

Here's a photo showing measurement of the top nut: 1.653", 42mm. I'm not sure if this measurement is relevant to tool size.

1000047650.jpg

Given a choice, I would prefer to buy rather than borrow.

What say the GTAM experts?

Thanks! (y)

edit: Yes, I'm old! I prefer an old fashioned dial over a digital caliper. 🤣
 
Is this what you are looking for?

gbmotorcycleproducts.com

Moto Guzzi V85 TT Steering Stem Nut Socket Headrace Socket

Moto Guzzi V85 TT Steering Stem Nut Socket Headrace Socket
gbmotorcycleproducts.com gbmotorcycleproducts.com

This is their eBay ad, if you feel more comfortable dealing with eBay for shipping and payment:

www.ebay.ca

Moto Guzzi V85 TT Steering Stem Nut Socket Headrace Socket | eBay

Find many great new & used options and get the best deals for Moto Guzzi V85 TT Steering Stem Nut Socket Headrace Socket at the best online prices at eBay! Free shipping for many products!
www.ebay.ca

In the UK, I believe. Pretty sure you can source one locally, but my Google-Fu skills not that Olympic.
 
Lightcycle said:
Is this what you are looking for?

gbmotorcycleproducts.com

Moto Guzzi V85 TT Steering Stem Nut Socket Headrace Socket

Moto Guzzi V85 TT Steering Stem Nut Socket Headrace Socket
gbmotorcycleproducts.com gbmotorcycleproducts.com

This is their eBay ad, if you feel more comfortable dealing with eBay for shipping and payment:

www.ebay.ca

Moto Guzzi V85 TT Steering Stem Nut Socket Headrace Socket | eBay

Find many great new & used options and get the best deals for Moto Guzzi V85 TT Steering Stem Nut Socket Headrace Socket at the best online prices at eBay! Free shipping for many products!
www.ebay.ca

In the UK, I believe. Pretty sure you can source one locally, but my Google-Fu skills not that Olympic.
Click to expand...
Yes, that's exactly it. Thanks.

The bike is apart right now, so I was hoping to find something here in town.
 
Jayell said:
The bike is apart right now, so I was hoping to find something here in town.
Click to expand...

Yep, figured so. Been there, done the CT rage-run many times.

All the tools seem to be from the UK. Sealey seems be be another manufacturer that manufactures and supplies castellated sockets, if you can find a local dealer for them.

whiterosetools.com

Sealey Motorcycle Swing Arm Lock Nut Socket 4-Pin 42mm

Sealey Motorcycle Swing Arm Lock Nut Socket 4-Pin 42mm 4-Tooth socket, specially designed to remove castellated locknuts found on motorcycle - White Rose Tools
whiterosetools.com whiterosetools.com
 
I have one for a Suzuki.
I can measure tomorrow and let you know if it's the same sizing.
@Jayell I'm assuming you checked the Guzzi forums?
 
Btw. The one I have is from the UK manufacturer that Lightcycle mentioned.
 
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Lightcycle said:
I think @Jayell was trying to come at it from the top, not from the side.

Are we still talking about motorcycles here?
Click to expand...
Jayell said:
Goddamn! That is an ugly way to go about it! Might work as a last resort, though. Thanks.



Correct. From above.
Click to expand...
Not sure what you think would get destroyed by using? Unless the nut is counter sunk

Only trying to give solutions here👍

Mind you I’ve been a mechanic for over forty years
 
ToSlow said:
Not sure what you think would get destroyed by using? Unless the nut is counter sunk

Only trying to give solutions here👍

Mind you I’ve been a mechanic for over forty years
Click to expand...

From the original post:

Jayell said:
A C spanner might work, but I'm merely adjusting the tension, so I haven't removed the lower triple and the forks are still installed. I'm not sure if there is enough room to turn a C spanner with the forks in place. I was hoping to avoid having to remove them.
Click to expand...

Also easier to adjust the tension to the proper torque values using a torque wrench than a chain wrench...
 
Maybe you could use something like a faucet wrench, if it would open up big enough. You could use a torque wrench at the top of the handle to drive it. You could also devise a similar tool with a small loop of chain or strap, if you want to get creative.
 
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@Jayell
This is what I have. Not sure if it will help.

The distance measured with between the "prongs" (of the tool on the right) with the caliper is 38mm -->>1.49606 inches


The tool on the left measures 36 mm (1.41732 inches) between the prongs the the opening down the middle is only 30mm (1.1811 inches)

You are welcome to try it if you think it will work.



 
Last edited:
oioioi said:
@Jayell
This is what I have. Not sure if it will help.

The distance measured with between the "prongs" (of the tool on the right) with the caliper is 38mm -->>1.49606 inches


The tool on the left measures 36 mm (1.41732 inches) between the prongs the the opening down the middle is only 30mm (1.1811 inches)

You are welcome to try it if you think it will work.



Click to expand...

The six lug socket definitely will not work, and the other one is too small. But thanks for offering!

Anyway, it's all moot now. I chose the path of least resistance and hit the "Buy Now!" button. It'll be here in a week or so.

Thanks everyone for the ideas and advice!
 
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