picksgasgas Posted January 12, 2011 Report Share Posted January 12, 2011 hi all i got a problem with my boys gas gas 70 rookie 2003 model i got oil spitting out of the exhaust onto the back wheel and brake what causes this and how do i stop it thanks Quote Link to comment Share on other sites More sharing options...
pete_scorpa3 Posted January 12, 2011 Report Share Posted January 12, 2011 Sounds like a fairly minor problem. If the bike gets used at low gears/revs much of the time, the 2t oil is not being burned off and has over time saturated the silencer packing. Once it is wet with oil it will never dry out and the only place for the excess oil to go is out the end. From here it drips down onto the brakes. etc Try repacking the silencer. Quote Link to comment Share on other sites More sharing options...
sherco29 Posted January 13, 2011 Report Share Posted January 13, 2011 Mix Ratio? Quote Link to comment Share on other sites More sharing options...
jse Posted January 13, 2011 Report Share Posted January 13, 2011 (edited) Mix Ratio? I'd run in the range of 50-60:1, full-synthetic premix oil. The smaller engines run a little hotter and can develop localized hot spots. Jon Edited January 13, 2011 by JSE Quote Link to comment Share on other sites More sharing options...
picksgasgas Posted January 15, 2011 Author Report Share Posted January 15, 2011 cheers guys i was told to use 70:1 is this to much then Quote Link to comment Share on other sites More sharing options...
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