• Hi everyone,

    As you all know, Coffee (Dean) passed away a couple of years ago. I am Dean's ex-wife's husband and happen to have spent my career in tech. Over the years, I occasionally helped Dean with various tech issues.

    When he passed, I worked with his kids to gather the necessary credentials to keep this site running. Since then (and for however long they worked with Coffee), Woodschick and Dirtdame have been maintaining the site and covering the costs. Without their hard work and financial support, CafeHusky would have been lost.

    Over the past couple of weeks, I’ve been working to migrate the site to a free cloud compute instance so that Woodschick and Dirtdame no longer have to fund it. At the same time, I’ve updated the site to a current version of XenForo (the discussion software it runs on). The previous version was outdated and no longer supported.

    Unfortunately, the new software version doesn’t support importing the old site’s styles, so for now, you’ll see the XenForo default style. This may change over time.

    Coffee didn’t document the work he did on the site, so I’ve been digging through the old setup to understand how everything was running. There may still be things I’ve missed. One known issue is that email functionality is not yet working on the new site, but I hope to resolve this over time.

    Thanks for your patience and support!

Thermostat Delete

engineerk9 said:
........ I'm not so sure about colder climates though, for good combustion the cylinder head does need to be at a fairly specific temperature
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Understood, however we are operating these bikes in the Philippines (myself in Cebu) where the ambient temperature rarely drops below 25c at any time and more recently is nearer to 35c in the day. When riding in traffic my AIT sensor has reached readings of 53c - so we are not worried about colder climates at all, obtaining the most efficient cooling is most important to us.

engineerk9 said:
Wayne with his GS911 is able to measure cylinder temperature & fan cut-in/out temperature, mine was something like 100degC, imperative to use coolants that can operate at that temperature
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My Nuda 900R has the advantage of a digital readout of coolant temperature as well as the normal bar gauge the same as fitted to the TR650 so I am able to see more precisely what is going on. The fan is set to cut in at 104c and goes off at 94c.
Comparing the bar gauge on both bikes, it appears to be about the same for the TR650, in fact I would go as far to say that as both bikes share the same radiator and temperature sensor, they are likely to be set exactly the same.

Running on the open road my (Thermostat-less) Nuda 900R reads an almost constant coolant temperature of around 88-90c and runs really well.
My TR650 Strada runs at a similar range on the bar gauge and also runs really well.
Both bikes run a standard Glycol based coolant and so far the use of an expensive waterless type has proved unnecessary.

The thermostat modification that I have now carried out on 9 different bikes has made the most difference in city traffic where the radiator is required to operate at absolute maximum efficiency to avoid overheating which several owners have previously experienced prior to the changes.

At near to zero cost and carried out in about an hour, this has to be one of the most successful modifications we have made to our bikes here.
 
Mark_H said:
...My Nuda 900R has the advantage of a digital readout of coolant temperature as well as the normal bar gauge the same as fitted to the TR650 so I am able to see more precisely what is going on. The fan is set to cut in at 104c and goes off at 94c.
Comparing the bar gauge on both bikes, it appears to be about the same for the TR650, in fact I would go as far to say that as both bikes share the same radiator and temperature sensor, they are likely to be set exactly the same....
Click to expand...

Could be. At stationery idle in the garage my Terra fan kicks in at 104 Celsius (219 Fahrenheit) and off at 95 Celsius (203 Fahrenheit).
 
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