WJSmith Posted January 2, 2019 Report Share Posted January 2, 2019 Hi guys, new on the forum. After a few years of tinkering with twinshocks i have managed to get myself a fantic tx250 project. I am aware these are a 125, and the bike was purchased from a friend in pieces. I have taken some measurments from the engine today and noticed that it seems to have had some real nice work done. The Barrel has had a liner fitted with a copper spacer on the bottom , it is running a 69mm piston with two rings. It also appears to have been fully ported and is running a 25mm Amal carburettor. Using the piston measurments and stroke this should bring the bike out at 196cc. It also doesnt run a headgasket as the liner and head have been machined so it doesnt have to. Pictures attached. Any one know who done these mods as i cant find anything about a tx250 running this size piston online. Thanks in advance Quote Link to comment Share on other sites More sharing options...
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