afroash20 Posted June 8, 2007 Report Share Posted June 8, 2007 (edited) Does Anyone know of the standard bore size of the 122cc TL My cylinder bore has been increased to 61 mm id like to replace the rings but dont know what oversize to ask for Cheers Ash Edited June 8, 2007 by afroash20 Quote Link to comment Share on other sites More sharing options...
brian r Posted June 8, 2007 Report Share Posted June 8, 2007 Go to my HondaTrials site and click on .pdfs Go to the TL 125 one and see if any of the information there is useful. (Thanks to Jose for the originals). Quote Link to comment Share on other sites More sharing options...
tlrs Posted June 8, 2007 Report Share Posted June 8, 2007 standard bore size for the 122cc tl is 56 mm. 61 is not an oversize, but a 'big bore'. also, the pdf on the site is of the tls version > 124cc. Quote Link to comment Share on other sites More sharing options...
brian r Posted June 8, 2007 Report Share Posted June 8, 2007 I think the 124cc is 56.5mm? Sorry, I was in a hurry and tried to help out before I hit the road this morning. Quote Link to comment Share on other sites More sharing options...
afroash20 Posted June 8, 2007 Author Report Share Posted June 8, 2007 standard bore size for the 122cc tl is 56 mm.61 is not an oversize, but a 'big bore'. also, the pdf on the site is of the tls version > 124cc. Hi there, thanks for the info, where would you suggest to get some Piston and rings apart from sammy miller is 61 a standard 150cc bore ? Cheers Ash Quote Link to comment Share on other sites More sharing options...
tlrs Posted June 9, 2007 Report Share Posted June 9, 2007 various pistons (61mm) are used for big bores, i'm sure most honda dealers can help identify your piston. (the miller version uses a honda cb750 piston) Quote Link to comment Share on other sites More sharing options...
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