July 28, 200818 yr Has anyone tried the new Jitsie fuel screw for Beta Rev4? I wonder if it fits the Scorpa 125's Mikuni carburetor or if the thread and tip is right so that the knob and stem can be modified to fit. http://www.trialscentral.com/forums/index....rt=#entry169599
July 29, 200818 yr Hy DennisGr, I have the fuel screw on my beta rev 4, it's the easiest thing to regulate the carburetor, absolutely perfect. But I think, your scorpa has not the same carburetor as the beta...!?
July 29, 200818 yr Author I am sure it isn't have the same carburetor but they are both Mikuni and it might have the same thread and the same tip on the fuels screw so that I could use it after modifying. If you follow the link there are pictures of the Scorpa 125 original and a CMX fuel screw next to a ruler with millimeter scale. I modified the CMX fuel screw to fit. The thread M6x0.5 was right but the tip was too different so the adjustments range was not right. So what I wonder now is if the Beta Rev4 fuel screw is a better candidate for modifying or not. From the not so good pictures I have seen of it it seems too short so would have to lengthen the stem. Just as long as the thread and tip is right it should be doable. Edited July 29, 200818 yr by DennisGr
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