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Valkyrie Riders Cruiser Club > General > 1500 Tech Board > Thread size on the fan switch?
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Author Topic: Thread size on the fan switch?  (Read 1270 times)
Jeff K
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Posts: 3071
« on: March 22, 2011, 10:05:30 AM »
Anyone know what the thread specs are on the fan switch on the radiator?
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Blackduck
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Posts: 642


West Australia
« Reply #1 on: March 22, 2011, 10:37:39 AM »
Far away from the house at the moment so cannot check but 16mm sounds right and I think it maybe 1.25 pitch. Fitted a car one to the Magna. Magna's are the same as Valks and too hot for my liking.
Cheers Steve
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2001 Standard, 78 Goldwing, VRCC 21411
Jeff K
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Posts: 3071
« Reply #2 on: March 22, 2011, 10:58:29 AM »
Quote from: Blackduck on March 22, 2011, 10:37:39 AM
Far away from the house at the moment so cannot check but 16mm sounds right and I think it maybe 1.25 pitch. Fitted a car one to the Magna. Magna's are the same as Valks and too hot for my liking.
Cheers Steve

I know for fact that the kid at the counter is going to ask... "what year and make is it" .  tickedoff
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Blackduck
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West Australia
« Reply #3 on: March 22, 2011, 11:33:35 AM »
you forgot colour and if it is darkside LoL
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2001 Standard, 78 Goldwing, VRCC 21411
Blackduck
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Posts: 642


West Australia
« Reply #4 on: March 28, 2011, 12:10:21 AM »
Finally back home, checked the one I pulled from the Magna, 16 x 1.5 thread
Cheers Steve
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2001 Standard, 78 Goldwing, VRCC 21411
Jeff K
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Posts: 3071
« Reply #5 on: March 28, 2011, 06:10:17 AM »
Quote from: Blackduck on March 28, 2011, 12:10:21 AM
Finally back home, checked the one I pulled from the Magna, 16 x 1.5 thread
Cheers Steve

Great! Thanks!
« Last Edit: March 28, 2011, 07:29:16 AM by Jeff K » Logged
Blackduck
Member
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Posts: 642


West Australia
« Reply #6 on: March 28, 2011, 08:13:38 PM »
Honda sure designed these to run on the hot side, that switch is 100 oC/212oF. As it is on the engine inlet side that is the temperature going into the engine. Normally looking for 10-15 degree temperature rise across an normal running engine so you are looking at an engine running at 222 to 227 before the fan will cut in. The Magna was around 227-230 on the back cylinders so fitted a slightly cooler switch to it to hold the engine around 200.
Cheers Steve
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2001 Standard, 78 Goldwing, VRCC 21411
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