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Stuck pivot pin

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x95lee
Posts: 10
Joined: Thu Sep 07, 2017 3:39 pm

Stuck pivot pin

Post by x95lee »

Hi all,

I've got a stuck pivot pin, which is holding up removal of the swingarm on my 68 R50US.

Any tips? I've been bathing as much of the pin as possible with PB Blaster, and removed the opposing pivot pin and sprayed PB Blaster into the hole, hoping it might free up the other. Not working.

Any tips? I'm new to this; and suggestions as to what I'm doing wrong would be most appreciated.

Cheers
Tom
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User avatar
Twocams
Posts: 781
Joined: Sun Mar 16, 2014 8:42 pm

Does that pin screw in, I

Post by Twocams »

Does that pin screw in, I dont remember?
Twocams
92 R100RT/69 R69S
2004 Aprilia Atlantic 500cc single cylinder Scooter
83 Honda V65 Magna, fastest production bike in1983
2015 Can Am Spider SE6 1,688 miles
2018 Moto Guzzi V711 Special

User avatar
x95lee
Posts: 10
Joined: Thu Sep 07, 2017 3:39 pm

Sure does ... I'm thinking in

Post by x95lee »

Sure does ... I'm thinking in threads inside are rusty (bike very rough).

In fact, I broke a pin off the Heyco pin wrench trying to get the pin loose. $25 mistake!

User avatar
x95lee
Posts: 10
Joined: Thu Sep 07, 2017 3:39 pm

Sure does ... I'm thinking in

Post by x95lee »

Sure does ... I'm thinking in threads inside are rusty (bike very rough).

In fact, I broke a pin off the Heyco pin wrench trying to get the pin loose. $25 mistake!

User avatar
Twocams
Posts: 781
Joined: Sun Mar 16, 2014 8:42 pm

Oh, that wrench is under

Post by Twocams »

Oh, that wrench is under warranty.....Not. Rust or someone stripped or crossed the threads and just left it. Heat works wonders if you have even just a good heat gun, but torch works better. if you can get a small pipe wrench on the threads of the pin. Maybe tighten a little then loosen. No the pin wont be much good when done. Or just break another pin I guess, on your tool. Look here under tool/tips where the heading is "Kinda interesting". Seems that ATF & Acetone mixed is a good rust cutter. I got that from the Oregon Vintage Bike forums. Maybe it will help.

twocams
Twocams
92 R100RT/69 R69S
2004 Aprilia Atlantic 500cc single cylinder Scooter
83 Honda V65 Magna, fastest production bike in1983
2015 Can Am Spider SE6 1,688 miles
2018 Moto Guzzi V711 Special

User avatar
x95lee
Posts: 10
Joined: Thu Sep 07, 2017 3:39 pm

Twocams -- thank you very

Post by x95lee »

Twocams -- thank you very much.

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