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750B Front Sprocket Nut Removal

  • Thread starter Thread starter rhoff71
  • Start date Start date
R

rhoff71

Guest
I'm trying to change my sprockets and chain to 530 chain on my '77 GS750.
However, I'm having trouble getting the front sprocket nut off.
I'm sure it's been on there for 35 years and it doesn't seem to want to budge. But before I really give it hell and using a long cheater bar, can anyone confirm that the threads are normal and not left handed?
 
Normal thread. If you have ironed out the tab washer and have a snug fit on the nut stick the bike in gear, pop on the back brake (an assistant is useful for that) and give the spanner a sharp smack. An impact air gun is also useful. 32mm socket / spanner.
 
Thanks hampshirehog! I just wanted to be sure I was going in the right direction. I've had both of my twin boys helping hold the brakes.
Now I've got a better breaker bar so I can start striking this thing.:lol:
 
Nut splitter is a good way out.
They do get tight.

A nice 2x4 in through the back wheel and swingarm is nicer on the twins than using the brakes.
Soft pine works wonders.
 
Nut splitter is a good way out.
They do get tight.

A nice 2x4 in through the back wheel and swingarm is nicer on the twins than using the brakes.
Soft pine works wonders.

The 750B has wire spoked wheels, 2x4 won't work on this one.
 
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