In the category engine and gearbox oils for YAMAHA 2 strokes you will find all the oils you need to maintain your motocross with the best products on the market in 100% and semi synthetic. We try for you all our products to advise you the best possible. Remember to change your gearbox every 10 hours and make your mixture. Either 2% if 100% synthesis or 4% if it is semi. In case of doubt do not hesitate to contact us