hale-1987 Posted October 19, 2009 Posted October 19, 2009 hi i have just purchased an f reg yb100 and it is constantly smoking excessivly and i am using a litre of 2stroke oil a week is there any way of adjusting this?????? also it will only reach a speed of 40mph is this correct? many thanx jamie
Moderator Airhead Posted October 19, 2009 Moderator Posted October 19, 2009 hi i have just purchased an f reg yb100 and it is constantly smoking excessivly and i am using a litre of 2stroke oil a week is there any way of adjusting this?????? also it will only reach a speed of 40mph is this correct? many thanx jamie Sounds like the two stroke oil pump is passing, may need repairing or replacing but one thing is for sure, if you pull off the oil pipe from the carb and leave it overnight in a container, there should be no oil seepage into the container because there is a check valve in these pumps that will stop this free flowing, also check the operation of the pulley against throttle position. The over enthusiastic oil delivery will have an adverse affect on performance. ...Paul
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