Thermostats the way they were meant to be! Helps with performance, efficiency, and reliability
A thermostat is, along with air intake, among the most vital upgrades to make to any snowbike.
Why? Well, the short version is that freezing ambient temperatures plus snow exposure keep the engine from properly warming up. This is a problem because your EFI will decide to stay in warm-up mode and overfuelling the engine, making it run like crap, burning way too much gas, and accelerating engine wear or even risking damage.
A thermostat will help the bike heat up to and maintain the hot 90C/195F (that's what we run all year round) temperatures it was designed for. And the C3 thermostat is the one for you!
•Premium materials and innovative design you'd expect from C3
•Pipe thread ports in all models designed specifically to accept accessories like the C3 Heated Handlebars (recommended - bundle!) and Trailtech TTO Temp Gauge
•Reliable and consistent operation
•Bleed hole plus bypass line (included) ensures slow circulation until thermostat opens - then the cooling system is unobstructed and can make full use of radiators if needed, like on warm spring days
A full factory-custom model is available for many popular bikes:
•Docks right to your engine and is barely bigger than the fitting it replaces
•Easiest installation possible - no cutting or messing around with hoses
Please note: BLACK 2019-current KX450 housings sold out until the new ones are done machining in mid-December. Green in stock.
What thermostat should I get for a ______?
At the top there's a brand selector, with every model listed where we have a purpose-designed direct-fit kit. If your bike is listed, you can choose it there and select your options.
If your model is not listed, please choose "my model is not listed" and check the "Generic Guide" tab here for guidance on the other options.
What opening temp should I get?
With a 90C / 195F 'stat, the bike will typically run 80C - 90C (180F - 195F) all day which is totally ideal, just like summer months. It's great for performance and reliability; there's no reason not to. Thus I always recommend 90C / 195F.
We're not big 2-stroke guys, but often those folks prefer a little cooler, like 80C / 175F.
Another situation where you might consider a 80C 'stat is on a highly modded big-bore bike that you know produces tons of extra heat.
Does the thermostat fit a Trail Tech temp gauge?
Yes! Every model was designed around the Trail Tech probe. Highly recommended accessory.
My 2010-2013 YZ450F has the same engine as a 2014, can I use that kit?
Strictly speaking, no, the thermostat is not compatible. That is because the engine mount is juust in the way. That said, we have had plenty of customers who chose to make it work with some modifications to the engine mount bracket.
We can't "wholeheartedly" recommend it, but you may wish to go this route! If you're not comfortable with that, the Generic Straight with 22mm housing and 17mm return is your best bet.
Can I bundle with CenterFlow heated bars?
Yes! Check here.
I am looking for the Thermostat Product Update
Find it here.
Can I get a spare __ degree thermostat to try?
Yes, find it here.
I am looking for a Thermo Bob
Thermo-bob or Thermobob is a brand name who sells thermostats. The C3 Thermostat is equivalent (or, we believe, superior) to a Thermo Bob
This product might be at a location near you! Click to see full Dealer page.