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961 Rear Brake Lock on.

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Second ride out only on Christmas purchase of this beautiful steel green 961 sport which I am still running in with just 400 miles on clock.

The rear brake locked on forcing myself to a complete stop at the side of the road. Knocked out gear but bike was frozen pads stuck to disc.

Had to wait several minutes for disc to cool to enable movement to a safe position.

Fellow rider stopped to provide assistance and advised me not to ride this bike again due to major design issue with the rear caliper and disc on this bike.

I only purchased the bike second hand December and due to lock down and poor weather haven't taken the machine out to spoil its beautiful condition.

Does anyone know of a dealer or specialist in the North West where I can get this problem sorted.

I hope I haven't purchased a lemon. Have ridden a wide range of bikes for 35 years without single issue from any of them.

Norton Newcomer.

 

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Hi,

You might have seen my post earlier, i have the opposite and have no rear brake. If i come across any useful information i will pass it on to you.

What year is your 961 ?

Kind regards,

Ian

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The usual problem is with master cylinders that do this . there is a bypass port that should be exposed when the cylinder piston is released.May be just an adjustment or could be a blockage. The fluid heats and expands and locks the brakes on as it cant return to the master.

Thank you Ian.

 

The bike was new in 2017. First rode it from Dealer in Wiltshire to Southampton. Parked up received a new posting or job position and never rode again. Sold back to dealer and it appeared for sale at Christmas 2019. Hence seeing it on line only I bought unseen. Beautiful looking bike in green.

Always had bikes and my neighbor had original works bikes from the 1950's.

If the bike has a design fault where do I stand. 

Thanks again

 

David

 

Thank you for coming back.

 

Would a change to brake fluid specification affect other elements?

Is there an alternative master cylinder available?

Have only ridden the bike twice and only used 3/4 tank of juice.

Advice was provided by senior motorcyclist who stopped to help, not to ride the bike again.

Hopefully I can be back on the road straight away.

Many thanks

David

 

 

 

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