GL1200 Cooling Fan Specification?


Information and questions on GL1200 Goldwings (1984-1987)
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Banzaibob
Posts: 6
Joined: Mon Mar 06, 2017 9:00 pm
Location: Kansas City, Mo
Motorcycle: 1984 GL1200A, 2011 BMW R120RT, 1991 BMW R100RT, 1974 Honda CB750, 1977 Harley Davidson XLCR1000, 1959 Triumph TR6, 1971 BSA B50TT Honda FT/XL500, 1974 Suzuki GT750, 1969 Suzuki T350, 1971 Honda CB350 Diesel conversion,

GL1200 Cooling Fan Specification?

Post by Banzaibob »



Does anybody know of a tech sheet or actually have the specifications of the cooling fan? CFM? Current draw? Dimensions?

Here is an earlier post: viewtopic.php?f=5&t=37722 I described what I thought was excessive heat in stop and go traffic. What I have decided to do is replace water pump and seals, chemically clean the radiator and try and upgrade the fan (thermostat is good). Anybody see a problem with this? I have sort of surmised by various internet info that the fan is roughly 600 CFM and draws around 4 amps. I have been looking at various 800 CFM fans that typically draw about 5.5 amps. I'm pretty sure that the charging system is healthy enough to deal with it.

Ideas? Concerns? Criticisms? Sycophantic praise?



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geraldm
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Joined: Fri May 15, 2015 12:07 pm
Location: pumphandle Saskatchewan ,Canada
Motorcycle: 86 gl1200 Aspencade

Re: GL1200 Cooling Fan Specification?

Post by geraldm »

keep in mind that the cooling system only holds about 4l. of ĉoolant , not intended for stop and go riding . i,ve found my 86 runs 3 to 4 bars on highway and up to 6 or 7 in city traffic . your bike will always show this . Cant see changing water pump change making any difference but wont do any harm either

Banzaibob
Posts: 6
Joined: Mon Mar 06, 2017 9:00 pm
Location: Kansas City, Mo
Motorcycle: 1984 GL1200A, 2011 BMW R120RT, 1991 BMW R100RT, 1974 Honda CB750, 1977 Harley Davidson XLCR1000, 1959 Triumph TR6, 1971 BSA B50TT Honda FT/XL500, 1974 Suzuki GT750, 1969 Suzuki T350, 1971 Honda CB350 Diesel conversion,

Re: GL1200 Cooling Fan Specification?

Post by Banzaibob »

Drained the coolant for the teardown. There was a very thin film of oil resting on top of the coolant. I have one head pulled thus far. It shows signs of "steam cleaning" commonly found in weak head gaskets.

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