Proper fuel system operation is dependent on specific temps. Running w/o a t-stat can foul things up.
This is one of those times when a mixture of water only AND some sort of water pump lube MIGHT work out.
I saw a web-based article several months ago that showed the U. S. Army running H2O and Water Wetter in H2O cooled bikes in your part of the world. Check out the Redline web site. It may be there.
1991 300-SEL - Model 126
M103 - SOHC
James Madison - Oppressors can tyrannize only when they achieve a standing army, an enslaved press, and a disarmed populace.
Liberty Firearms Training - After years of trying to regulate California criminals with a never ending stream of gun control laws they have still not given up with the belief that if they make something a crime that criminals will miraculously start obeying the law.