Jun 19, 20191 min read

Coolant leak

Check the thermostat hose clamp, some were not tightened enough leaking coolant when hot.

Image from Dirk Danckers on the Facebook group KTM 790 Adventure

Image from noyah on advrider KTM 790 adventure thread

There are a few reports of a warped thermostat housing swapped under warranty (advrider thread with some examples).

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