Thermostat Bypass Thermo Bob or AVID

Northwestguy · Jan 26, 2015

Thermo Bob sells with a 170 deg.
AVID with 190 deg.
My bike is
14' KTM 450 XCF FI
15' TS ST

What do you all prefer and why?
Thanks in advance

wwillf01 · Jan 26, 2015

I would go with the 170 .... I personally think 170 is a better temp for a 4 stroke... I believe the thermo Bob is a smaller unit also....unless Avid has shrunk them down since the first run.

Rush44 · Jan 26, 2015

I just installed the new Thermobob TB3 stat this weekend. He just finished the run of the first new ones. They are much smaller than the old ones (and smaller than the Avid) and also has the tap for the TTO Temp gauge. It installs so cleanly that with my shrouds and tank on you can hardly see the stat. None of the lines or bypass touch the motor or radiator for a clean install.

First day in the snow she warmed up and ran 180F pretty much all day. Really love this new stat.

Northwestguy · Jan 26, 2015

Rush,
Thanks for the info.
What is the TTO Temp gauge?
Do you know if T-Bobs tap is compatible with Trail Tech Voyager's input for temp read out?

Rush44 · Jan 26, 2015

Northwestguy said:
Rush,
Thanks for the info.
What is the TTO Temp gauge?
Do you know if T-Bobs tap is compatible with Trail Tech Voyager's input for temp read out?

TTO is Trail Tech. I don't know if it works with the Voyager but his tap uses the 1/8x28 screw sensor found on this type of gauge http://www.trailtech.net/digital-gauges/tto/temperature/722-es2

teal_210 · Jan 26, 2015

Northwestguy said:
Rush,
Thanks for the info.
What is the TTO Temp gauge?
Do you know if T-Bobs tap is compatible with Trail Tech Voyager's input for temp read out?

The TTO and Voyager use the same temp sensor, you will just have to unscrew it from the hose mount to install it into the Thermo-Bob.

41racing · Jan 26, 2015

I also just installed a new tb3 with the temp sensor port on my '13 wr450. Fits great haven't ridden it yet so don't know how it works but I'm sure it will work great also. What sold me on the tb was customer service. I emailed him and within a few hours I got an email back. How often does that happen with companies anymore? Of top of that I said I wanted the new style so he held off on processing the order until the new style was ready to ship. Only delayed my order a couple days.

rottinjonny · Jan 26, 2015

Bills (thermo bob) costumer service is second to none! He was very helpful and answered all of my questions in a timely matter! Tb3 looks like a very good product! Have yet to do the installs, have four to do. This stupid broken leg has held me down! Getting restless though, heading to the garage tomorrow. Feedback as soon as I'm able!

Nytro71 · Jan 26, 2015

Tb3

Installed the thermo Bob three on a 2014 WR450.

ravenous · Jan 26, 2015

I haven't tried the Avid parts, so I can't compare the two. But I do know that Bill's Thermobob stuff works perfectly and he is totally helpful. There are
4 of us out here using his parts.

Nytro71 · Jan 26, 2015

Tb3

View attachment 248524

I have the trail tech Voyager and it works

Uncle si · Jan 26, 2015

I reused a 120 degree bypass thermostat and housing from a ski doo xp on my KX500 and it has worked well, so far as I can see without gauges.

J800 · Jan 27, 2015

2014 KTM 300 XC

The Avid stat carb heat kit works great very consistent temps.

Northwestguy · Jan 27, 2015

Thanks for all the great info everyone.
I ordered the T-Bob.
Cant wait to get it in service.
I got a nice personalized email with my order confirmation.
Very nice touch.

827revdog · Feb 2, 2015

Rush44 said:
I just installed the new Thermobob TB3 stat this weekend. He just finished the run of the first new ones. They are much smaller than the old ones (and smaller than the Avid) and also has the tap for the TTO Temp gauge. It installs so cleanly that with my shrouds and tank on you can hardly see the stat. None of the lines or bypass touch the motor or radiator for a clean install.

First day in the snow she warmed up and ran 180F pretty much all day. Really love this new stat.

rush where does the temp probe go? into the stat housing or the tee?

Rush44 · Feb 2, 2015

827revdog said:
rush where does the temp probe go? into the stat housing or the tee?

There is a threaded plug in the bottom of the stat housing you unscrew and screw in the temp probe.

827revdog · Feb 2, 2015

My new style one doesn't have that. I'm probed in at the tee. Maybe he'll swap me out. Got a pic of yours?

Rush44 · Feb 2, 2015

In the 2nd picture above you can see the bolt where the probe goes in (from the side). It's right next to the bypass. Call Bill and see what he can do for you. The size is the most important thing about the new stat... if you already have an in-line probe unit you could still do that install... just 2 less radiator hose clamps you have to run.

827revdog · Feb 15, 2015

I have my probe in the tee now. Would like to get it on the t stat housing.

kylerf150 · Feb 16, 2015

827revdog said:
My new style one doesn't have that. I'm probed in at the tee. Maybe he'll swap me out. Got a pic of yours?

Well that sucks cuz my t3's weren't cut for a probe either. I wonder how hard it would be to drill it out and thread for a probe? I bet that die isn't cheap though.

I got A quick ? In the summer can I just pull out the thermostat and leave the housing plumbed in or will the bypass not allow enough cooling?

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