Yamaha YZF-R1 2006 manual fans bypass switch.
This is a common mod to r1 to manual open the fans. Very simple and very useful mode especially at summer to don't let the bike run hot on traffic.
All you'll need is a SPST on/off switch.
2 cables and a cable connector
You must find the green/yellow cable from the left side of the bike and connect the one cable of the switch and the other to bike ground, use the radiator bolt.
Fotos here.
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![](https://i.ytimg.com/vi/wG86zLp6CF4/maxresdefault.jpg)