ham2 Posted September 30, 2009 Report Share Posted September 30, 2009 just had 20 mins out riding with the new spark plug in, and so far so good....could a spark plug really cause the bike to do that? How good is good? I am fascinated by this video as it's very similar to my bike's problem ( the stator is currently/ha! being tested ). Any chance you can upload the new improved tick-over to you tube? Cheers, Wayne Quote Link to comment Share on other sites More sharing options...
stushine Posted September 30, 2009 Author Report Share Posted September 30, 2009 there we go, seems pretty normal now? i keep expecting it to start going daft again lol! hope it dosent! Quote Link to comment Share on other sites More sharing options...
ham2 Posted September 30, 2009 Report Share Posted September 30, 2009 Cheers, You jammy bugga ! Quote Link to comment Share on other sites More sharing options...
copemech Posted October 1, 2009 Report Share Posted October 1, 2009 I would still be in doubt myself! Quote Link to comment Share on other sites More sharing options...
stushine Posted October 2, 2009 Author Report Share Posted October 2, 2009 (edited) just found out that the bike had been ran on castrol R40 or A747.... ive just been told by a local motorbike shop that changing from that to a modern 2 stroke would of prob been the cause of the spark plug playing up and the dodgy running... is this correct? Edited October 2, 2009 by stushine Quote Link to comment Share on other sites More sharing options...
copemech Posted October 2, 2009 Report Share Posted October 2, 2009 Castrol states that the R40 is not supposed to be mixed with any other oils. This could be a problem! Quote Link to comment Share on other sites More sharing options...
nigel dabster Posted October 3, 2009 Report Share Posted October 3, 2009 is it a dellorto Quote Link to comment Share on other sites More sharing options...
stushine Posted October 3, 2009 Author Report Share Posted October 3, 2009 just had a full day out on it and no problems at all.... looks like it was definatly the plug... Quote Link to comment Share on other sites More sharing options...
copemech Posted October 4, 2009 Report Share Posted October 4, 2009 Your vids were great, yet I have not experienced that as a plug problem, I think it may be more likely that you gave finally passed your old gas! Good is good still yet! Cheers, Quote Link to comment Share on other sites More sharing options...
blackie Posted January 16, 2011 Report Share Posted January 16, 2011 just had a full day out on it and no problems at all.... looks like it was definatly the plug... Hi I just joined this site to see if I could find the answer to the same problem. I will try this cheers Blackie Quote Link to comment Share on other sites More sharing options...
stork955 Posted January 16, 2011 Report Share Posted January 16, 2011 Gday, just to help some others that may be having similar issues - the plug picture you showed us was fuel fouled - clean that plug up and it will do as a spare. The bike was running too rich - this was confirmed by you saying that it was OK when cold and no good at running temperature. The cause? Well, we may probably never know but it is a possibility that poor fuel/oil mix was the issue. Cheers, Stork Quote Link to comment Share on other sites More sharing options...
geodet Posted January 18, 2011 Report Share Posted January 18, 2011 I had the same problem with mine. Turned out to be a tiny piece of swarf on the O ring on the airscrew. If its not completly airtight you will get exactly your symptoms. Take the airscrew completly out and VERY carefully check the O ring and the seat on the carb. It only takes a tiny foreign object. If in any doubt replace the O ring. I have also replaced the inline fuel filter on mine (2011 model) as the standard item appears to be not much cop. Check out any Kart store on Ebay for a replacement. Quote Link to comment Share on other sites More sharing options...
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