I think semi-synthetic oil is fine for 5K km, at least I use to change it after 5K KM in my classic 500. which is not oil cooled. I think Oil-cooler will help to keep the oil temp in check.Fellow Himalayan users -
How long do you ride between oil change intervals?
I use the OE fully synthetic 10W50 oil in my bike(same oil as the Interceptor) and right at the 2800-3000 km mark ,the engine starts to feel coarse and starts to make a ghach-ghach noise -which goes away with new oil. On the recommended Semi synthetic 15W50 oil,this used to happen at the 1700-1800km mark .My bike is at 3200km after the previous oil change at 14200km mark -how on earth RE recommends 10000km oil change interval?
Your personal experiences requested.
I will follow the same interval for Himalayan.