To find the correct oil to fuel ratio for your 1986 Yamaha IT 200, I recommend:
* Consulting your owner's manual: The manual will provide the most accurate and up-to-date information for your specific model.
* Checking the Yamaha website: You may find technical specifications and maintenance information on the Yamaha website.
* Contacting a Yamaha dealer: A local Yamaha dealer can help you find the correct ratio.
Important: Using the wrong oil to fuel ratio can damage your engine. Always refer to the manufacturer's recommendations for your specific model.