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So I’ve stupidly misplaced the rear master cylinder dust boot on my 1978 xs650se - are these the same as many other bikes? SR500? I’ve got a rebuild kit from mikesxs or geoffsxs here already but it stupidly doesn’t have the dust boot included in it, hopefully SR500 are the same and might be...

Sounds pretty good. Still need to dial the timing in a bit closer.

Finally got to putting my 277 project on the dyno today but clutch was slipping from 5000 to 6000 rpm range onwards. Is it just heavier springs needed or the actual plates or both likely need upgrading? It has fairly new plates in it but just the normal ones from Mikesxs. I’m guessing...

Is there a reason most things I've read on engine rephasing mention the right cylinder firing 277 degrees after the left (or left being behind right by 83 degrees) rather than the other way around? On my 277 engine the left piston fires and then 83 degrees later the right piston fires. Is it...

Short question for the well learned around here - is it 15 degrees from TDC to fire and then 25 degrees from fire to full advance? (40 degrees from TDC to full advance?) Installing a new tri-spark ignition on my 277 rephrase project and TDC wasn’t marked when the PMA was installed. The ignition...

Hey All, I've got an engine that was rebuilt a few years back with 750 kit and a 277 rephase and then ended up having to store it for a couple years due to other priorities. After changing the oil I did a compression test on it and one cylinder read low (90 psi) for maybe five or six tests...

Hey all. My mechanic used a different ignition than I supplied him on my 277 rephase rebuild, does anyone know what the make is? Have attached a coupe pics. It connects to a little black box with two coloured LEDs on it, wiring is done and fairly straight forwards but still be nice to know a...

Hi guys, Was putting my bike together recently and had a question about carb / timing and received a couple suggestions that were a heap of help so thanks. I did the PMA / Pamco Ignition / Mikuni VM34s combo and trying to get it dialed in, it starts up best with the ignition set at the...

Hi guys, I've got a '79 xs650 special and just installed Pamco ignition with MikesXS dual output coil (black one not green one) and Mikuni VM34s from Michael Morse along with a new PMA. Problem is when I've gone to kick it over it revs realllly high straight away, weirdly enough it won't kick...