00:00If you've ever been stuck in dead-stop traffic on a blazing hot afternoon watching your temperature
00:04needle creep dangerously close to the red, you know that sickening feeling.
00:08A failing radiator fan switch can cook your engine fast, but fixing it doesn't have to
00:13cost a fortune. Today, I've tracked down the absolute best deals on the top 5 motorcycle
00:18radiator fan temp sensors to keep your bike running cool and your wallet happy.
00:23Kicking things off at number 1 is the M16 radiator fan thermostat switch,
00:27designed specifically for Honda CB riders across bikes like the CB600F Hornet, CBF600, and CB1000.
00:35Its standout feature is the exact spec M16 brass threading, meaning it threads straight into your
00:40radiator housing without needing adapters or thread tape that could leak down the road.
00:45At just $6.32, it's a complete steal that thousands of riders have used to bring their
00:50cooling systems back to life. Next up at number 2 is a universal-style
00:55electric radiator coolant fan temp switch that works wonders on a huge variety of custom and
01:00street setups. The best thing about this unit is its high sensitivity by metal contact,
01:05ensuring your cooling fan kicks on the split second your coolant reaches target temp instead
01:10of lagging behind. Coming in at $6.19 with a flawless 5-star track record, it's an effortless,
01:17reliable upgrade if your stock sensor has gone intermittent.
01:21Coming in at number 3 is the Otoon thermal control switch, which is an absolute must-have
01:25if you ride off-road on a KTM, Yamaha YZF, or Kawasaki KXF. The killer feature here is versatility,
01:33you can actually pick your trigger temperature between 65, 80, 85, or 88 degrees Celsius to match
01:39your riding style, which is huge for preventing boilovers during slow, technical trail riding.
01:44At only $5.62, it gives you custom-tuned engine cooling at a fraction of the cost of OEM parts.
01:51At number 4, we have a heavy-duty thermo switch built to replace Honda OEM part numbers 37760MT2-003
01:59and MR1-003. What makes this one worth every penny is its factory-style weather-sealed connector,
02:06which plugs straight into your stock wiring harness with zero splicing or soldering required.
02:11Priced right around $10.20, it delivers dealership-level reliability without the
02:16ridiculous dealership markup, making it a super-clean drop-in solution.
02:21Finally, rounding out our listed number 5 is a dedicated coolant temp sensor for classic
02:26Yamaha sport bikes, fitting legends like the FZ750, FZR1000, and FZR250 series.
02:33Sourcing electrical parts for vintage Yamahas can be a massive headache,
02:37so having a direct-fit sensor with the correct resistance curve ready to go is huge for keeping
02:41these older engines alive. For $8.46, it's tiny insurance against warped heads and blown
02:48gaskets on your weekend pride and joy. All the direct links to check out these sensors are
02:53waiting for you down in the description below. If this video helped you find the right part for
02:58your ride, drop a like, hit subscribe for more bike maintenance tips, and catch you in the next one.
