Thanks to everybody who has replyed to my thread . I have learned a lot. A lot more than I thought I would . What is Octane booster and where do you get it ? I have never heard of it . Maybe it is outlawed in Canada . As for after run oil I don't really see the need for it since we are running two stroke's with oil mix in them already but if it makes you feel more comfortable I can't see where putting a little after run oil in would hurt . A drip or two down the plug hole and a few drip in the carb . hold the motor so the oil will run towards the bearings . I think I might just increase the amount of oil in the last tank of gas instead though .