XR400 oil capacity?
Just a general query! I realise that the XR range of engines is of the semi-competition type i.e. small oil capacity thus light weight, but requiring very regular changes. But as the XR400 has an oil-cooler the capacity must be (slightly) larger, so is the oil-change interval greater? Just trying to figure if the XR400 lump is more suitable for longer road trips.
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