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Hello all! Currently sorting through several things with the 79 650SF. Amongst them I have some blinker issues. Right side lights up but it does not blink. Left side does not light up at all and obviously does not blink (ha!). Checked and all the bulbs are good. I had read in another thread...

Popping noise coming out of Left carb (see video) after carb kit rebuild. Added K & N air filter pods (Left pod has gas in it (WTF). Right pod is dry. Right carb is not popping). I realize now that I probably need to upsize my idle jets and my main jets if I’m going to run pods. Haven’t done...

Hey Guys, Can't find a carb holder with vacuum barbs for my stock 79 XS650F (special). If I'm removing my airbox and using an air filter pod, can I use these? https://www.mikesxs.net/yamaha-xs650-carb-holder-w-air-barbs-70-77-bs38-oem-447-13555-01-00-447-13565-01-00.html Surprised MikesXS...

Hey Guys. Timing Adjustment question... Did dynamic point adjustment w/dwell meter. Readings were 42 and 49. Adjust to 44.5 / 44.5. Running much better! You could hear it running better during the adjustment. Moved on to timing... Had to re-adjust idle down. Seem it wanted to idle...

As some may know, just got a '79 XS650 last week. Working through some electrical stuff. Coming along thanks to y'alls help... Starting engine tuning. Read the tech pages. Very helpful. Saw some great YouTube stuff. Also very helpful. Stupid Question... Here are some pictures How do I...

Just bought my first bike yesterday… 79 CS650S. Runs but wiring is giving me some problems. Previous owner tried replace disintegrating fuse box. It’s a total hack job. Tube fuses often fall out of electrical taped in-line housings (uhgg!). Splices all over the place and every wire is red...