Negtive battery terminal corrosion


Information and questions on GL1200 Goldwings (1984-1987)
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ripsaw
Posts: 23
Joined: Wed Feb 22, 2012 6:50 am
Location: Rhondda, South Wales.
Motorcycle: 1986 1200 Aspencade

Negtive battery terminal corrosion

Postby ripsaw » Tue Apr 24, 2012 1:08 pm



Within the last two months I bought a new battery for my 1200 Aspencade. No problems up until a week ago when I tried starting it, it hadn't been run for a few weeks - then it wouldn't start. After taking off the battery cover I noticed snow like corrosion on the negative terminal only. In fact I couldn't undo the the terminal screw with a screwdriver so I had to put a socket and wrench on it to losen it. What would cause it to 'fur' up like that? and would that be the likely cause of the engine not turning over?

Can anyone help? Thanks.



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seabee_
Posts: 494
Joined: Sun May 29, 2011 8:17 pm
Location: sterling heights, mi
Motorcycle: 1985 Honda Goldwing GL1200
117k miles
1977 Kawasaki kz400
1978 Suzuki GSXr750
1980 Kawasaki GPZ400
1975 Honda CB360T

Re: Negtive battery terminal corrosion

Postby seabee_ » Tue Apr 24, 2012 3:26 pm

Yes, the corrosion can cause starting issues. Did you install a lead acid battery? Is your charging system over charging causing the battery to gas? Meaning corrosive vapors depositing on the terminal causing corrosion. Use a volt meter to see what the charging voltage is when bike is running.
Paul
CE1 Navy Seabees/RET
1981 to 2002
ASE Mechanic

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WingAdmin
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Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
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Re: Negtive battery terminal corrosion

Postby WingAdmin » Tue Apr 24, 2012 4:40 pm

Every lead acid battery will outgas when charged. Have you connected the battery vent hose? This hose vents the battery vapors down to the road. If it's not connected, the vapors exit right around that terminal, and can cause corrosion.

ripsaw
Posts: 23
Joined: Wed Feb 22, 2012 6:50 am
Location: Rhondda, South Wales.
Motorcycle: 1986 1200 Aspencade

Re: Negtive battery terminal corrosion

Postby ripsaw » Wed Apr 25, 2012 4:49 am

WingAdmin wrote:Every lead acid battery will outgas when charged. Have you connected the battery vent hose? This hose vents the battery vapors down to the road. If it's not connected, the vapors exit right around that terminal, and can cause corrosion.

I noted that the vent tube wasn't connected properly. I've charged the battery and when I put it back on, I'll make sure the vent tube is properly put on. Many thanks all.

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D2D
Posts: 208
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Location: Winchester, NH
Motorcycle: 1976 GL1000 (sold)
1977 GL1000 (sold)
1978 GL1000
1979 GL1000
1982 GL1100

Re: Negtive battery terminal corrosion

Postby D2D » Wed Apr 25, 2012 5:58 am

Put a little coating of grease or Vaseline on your terminals to prevent them corroding and giving you issues like this.




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