posted April 21, 2004 07:51 AM
What about a manual fan switch and aluminum fans? Anyone ever thought about putting a manual switch on the 12 to turn the fan on and off, but also wont interfer with the bike's control of it?
It seems the engine waits until it is too hot before the fans kick on, and it would be nice (especially in stop and go traffic) to just kick them on early so it doesnt get too hot...
Also do the aluminum fans really make that much of a difference? Any cons to putting them on? The only negative I can think of is the added noise, but I dont really care about that.
posted April 21, 2004 09:59 AM
ok I refuse to answer this based on the grounds that I've posted the instructions photos and links on this subject about a bazillion times trying searching the boards for the topic it's been hashed at least a dozen times
posted April 21, 2004 11:11 AM
seeing as to how i'm guilty of asking old question again,
I'll take this one.
This muzzy fan CAN be a little louder depending on wheather it
was bent during shipping or installation. Does not seem to make a
difference in cooling but some are louder than other, my .02.
The override is simply shorting the two wires from the temp sensor on the
radiator together .
1. Use a switch and tap INTO each wire of the sensor. (left side near valve cover).
if you tap in on the the raditor side of the plug main harness untouched!
2. when the switch is ON it completes the fan circuit. Since you don't cut anything when the switch is off the fan operates as normal.
posted April 21, 2004 11:25 AM
Ok so if the Muzzy fan doesnt actually cool any better, then aside from possible melting of the stock plastic fans, is there any reason to have them installed?
Cause at nearly 18k miles, my stock plastic fans arent anything near melting.
posted April 22, 2004 06:49 AM
The fan does move more air. It can change the rate of cooling, that is the amount of time needed for a given temperature drop. But if you have a cooling "problem" it won't cure it.
Doug
Needs a life
Full throttle!
Posts: One MEEEEEELLION
posted April 22, 2004 07:12 AM
I think it's just as important to note that when you change the exhaust system to aftermarket, the walls of the header pipes are typically thinner, and shed heat much faster than stock. I've pulled stock fans out with melted blades due to header heat with aftermarket systems.
____________
82 Gpz750, 84 Ninja 900, 2000 ZX12R (Muzzy Big Bore Kit), *another* 2000 ZX12R (Muzzy custom stroke crank 1341cc motor), 2004 ZZR1200, 2005 ZX10R, 2007 ZX14, 2008 Concours 14, 2014 Versys 650, 2014 Yamaha WR450F, 2015 Ninja H2
posted April 22, 2004 11:44 AM
Edited By: n da zone on 22 Apr 2004 12:52
quote:The fan does move more air. It can change the rate of cooling, that is the amount of time needed for a given temperature drop. But if you have a cooling "problem" it won't cure it.
Doug
This topic has been extensively covered, and well documented, on this board. I remember Doug talking about how the http://www.bikeland.org/board/viewthread.php?FID=1&TID=1284 chord on the Muzzy fan allowed it to move more air, even though it had less blades that the stocker. Now if I could remember where I left my keys ....
That mod is a good one. I live in central Florida, and that fan override sees use quite a bit. I NEVER wait for the radiator switch to cycle it on ... by then everything has gotten too hot, imho.
And with the Muzzy fan in there and running, the bikes temp gauge never goes above mid-point, even while sitting still on the freeway. Also consider water-wetter, engine ice or some other surfactant for the radiator.
Besides changing your oil regularly, dissipating heat is one of the ebst things you can do for engine longevity. If you love your bike, you've got to do this!!
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posted April 21, 2004 07:51 AM
trying searching the boards for the topic it's been hashed at least a dozen times
Edited By: 
