I just rebuild the carburetors, but found an inconsistency that I need to double check. The stock jet needles are front N53A and rear N53B. But my rebuild kit came with D635 and D636 needles. I read an old post from a Finnish rider that said the front needle was thinner and longer, and I got...

For reasons outlined in another thread, I have linked the two vacuum ports together. https://www.vn750.com/threads/ignitech-sparker-tcip4.106338/post-1293974 I noticed some rev hang. Pinching off the linking hose causes the RPMs to rise slightly. I backed out the idle screws from 2.5 to 3...

Santa's bringing me one of these this year! https://www.ignitech.cz/en/vyrobky/tcip/tcip.htm I'm going to play around with it. The unit has two tables that can be selected via a switch. I'm going to set one table to match the factory spark advance (as a fallback if anything goes wrong while...