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Offline Gustavo

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Re: chain sprockets
« Reply #30 on: Dec 06, 2021, 04:01 PM »
The angle on that 2x2 doesn't look right. It has to go across to the top of swingarm on the other side to prevent the wheel from moving when you apply torque to the sprocket nut.  This 2x2 may be too thick with the wrap, I use a metal pipe.

Gustavo
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Offline TowerMan

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Re: chain sprockets
« Reply #31 on: Dec 06, 2021, 04:52 PM »
Suggest the following action

Go down to the local garage.
Get them to put their big f-off windy gun on it to undo it.
Do it up lightly and ride gently home

Simples
« Last Edit: Dec 06, 2021, 04:53 PM by TowerMan »
Richard    :001: 

PS -

Online Stewie

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Re: chain sprockets
« Reply #32 on: Dec 06, 2021, 04:54 PM »
What Richard says.
What you need is more force/torque and a garage's windy gun should be able to crack the seal for you.

If not then a die grinder and chisel to split the nut amd replace with new.

Offline Shandy

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Re: chain sprockets
« Reply #33 on: Dec 06, 2021, 07:12 PM »
*Originally Posted by Stewie [+]
What Richard says.
What you need is more force/torque and a garage's windy gun should be able to crack the seal for you.

If not then a die grinder and chisel to split the nut amd replace with new.

Uncharacteristically good advice, Stewie or perhaps just come to the same realisation that I have.

Firstly, the plank was stopping the back wheel, we took up all the slack and pressure before giving it a good ol'go.

So far, we have tried:
Brute strength
Heat gun
Larger and larger breaker bar and extension, 4ft long in the end, with three blokes trying to get it shifted.
Impact socket
Small battery powered impact driver.
Finally, large air powered impact driver (Snap-On set up like you see in garages) My neighbor has a dream garage setup with complete Snap-On tool chest, air compressors and the lot. He kindly agreed to help and even laughed at the challenge but all three of us together couldn't get it done!

So now, the nut is starting to round and we've stopped for the night before we do serious damage.

I have three options:
Leave it, replace the new chain and put cover back on front sprocket.
The bike is due to be part exchange for Triumph in February, just let the dealership find the problem.

Grind the nut off and replace with new nut. But how much is a new nut and where to buy one?

Push it about 1/2 mile uphill to the local Yamaha dealership, ask for their help. Best case they fix it, worse case they can't and have to grind it off and I pay them for the privilege! Either way if I push it there, I'm not pushing it back so they will be fitting sprocket and new chain!

Any suggestions welcome...as well as large bottles of whisky!
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Online whiskydave

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Re: chain sprockets
« Reply #34 on: Dec 06, 2021, 07:43 PM »
Now he mentions the whisky.😅😅😅
I wouldn't leave it.Some dealers would just ignore it then the next owner could have the same problem in the future.....who could end up on this forum.😗


Offline 100milesaway

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Re: chain sprockets
« Reply #36 on: Dec 06, 2021, 08:22 PM »
*Originally Posted by TowerMan [+]
Suggest the following action

Go down to the local garage.
Get them to put their big f-off windy gun on it to undo it.
Do it up lightly and ride gently home

Simples
Listen to your uncle Richard.  The font of all knowledge.  :028:
What would you rather be, or a wasp?

Online whiskydave

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Re: chain sprockets
« Reply #37 on: Dec 06, 2021, 09:17 PM »

Just do this.

Offline Gustavo

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Re: chain sprockets
« Reply #38 on: Dec 06, 2021, 09:20 PM »
*Originally Posted by 100milesaway [+]
Listen to your uncle Richard.  The font of all knowledge.  :028:

I think you posted this in the wrong thread. Would have worked much better in the "Jokes" one in "The Back Room"...   :whistle:


 :008:


Gustavo
Always yield to temptation, it may not pass your way again - Ken Morton

Offline uralrob

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Re: chain sprockets
« Reply #39 on: Dec 06, 2021, 09:30 PM »


 "If not then a die grinder and chisel to split the nut amd replace with new."

 Bearing in mind that this is only for those of steady hand and good eye. Otherwise goodbye to the threads on the sprocket shaft.

 How to split the cases can be found in the Service manual section 9- 10  :007: .

 Rob.
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