mrandy800 Posted April 20, 2011 Report Share Posted April 20, 2011 Hi just bought a 2001 txt 270 which needs a top end rebuild. I have a really good 125cc barrel piston little end and head in the garage and was wondering if its possible to make the 270 into a 125 and if so how hard is it to do and what about the carb are there the same or just jetted different. I have had a 250 and a 125 engine apart in the past and have noticed that there are almosty the same even down to part numbers so thats why i am asking the question. Am just trying to save some money and i will be able to use the bike until i have the funds to new 270 piston and get the barrel sorted any info would be a great help thanks guys and girls Andy Quote Link to comment Share on other sites More sharing options...
betarick Posted April 20, 2011 Report Share Posted April 20, 2011 Would of thought stroke of crank is different! but i know its the same between 250 & 270 only bore is larger on 270. Quote Link to comment Share on other sites More sharing options...
copemech Posted April 23, 2011 Report Share Posted April 23, 2011 Different due to stroke and other bits, only the 125 and 200(160cc) interchange untill you go to the big motors of 250,27 0 and possibly 321, not sure. Quote Link to comment Share on other sites More sharing options...
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