Test the oil definitely!
Blackstone Labs, go to there site and request a testing kit, they are free to order and you only pay when you send in the oil for testing. $22.50 for standard tests, its what I do every oil change on my GSX-R.
Test the oil definitely!
Blackstone Labs, go to there site and request a testing kit, they are free to order and you only pay when you send in the oil for testing. $22.50 for standard tests, its what I do every oil change on my GSX-R.