EOT meter for OEM oil cooler

[dsinned_imp]

It's not so much the oil itself, but EXPOSURE to high temps by all other components in and around the engine may eventually take its toll. This is particularly true of less conspicuous "components" like rubber and plastic hoses, seals, gaskets, electrical wiring and insulation, etc. They may not withstand such high temperatures - including heat soak - as well as internal engine components made of metal.

ALL engines, over time, tend to literally "wear out" due to continuous high heat exposure. Reliability of engines as a whole can be extended by better thermal management, thus preventing high temperature excursions. With air (oil) cooled motorcycle engines, such excursions are all but guaranteed in very slow paced, stop and go, riding conditions.

This is why ALL other cars and motorcycles with water cooled engines have radiator fans. I don't know why OEMs bother to equip air cooled bikes with oil coolers, but leave out auxiliary cooling fans for just such worse case thermal conditions.

Btw, I already tried a thinner fan, which fit in front of the oil cooler much better. It's cooling capacity was just about the same as a fan in a desktop computer, but not nearly powerful enough to be of much added value in this application.