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Btw compression was up to 140 with the new cylinder!
Alrighty. Got it running. Put everything back together on the old cylinder including the head gasket and a new gasket for the reed valve. That...
Got the battery tested and came back 11v and 1cca which I don't think is going to cut it... Wild that the battery finally gave out at the same...
Oh just saw your reply. I guess I'll try a new battery too. Forgive my ignorance but can the battery be dead but still produce a spark? I think...
Update - Tried starter fluid - Cleaned the air filter - Tried an extra washer on the spark plug making it less deep essentially None of that...
Can you explain what you mean by flat battery? I just disconnected it and put a lead from a multimeter on each pole. I don't believe the spark...
Further data: Batt 11.84v (12v) Squish 1.0mm Authentic 21mm dellortho PHBG carb W7 needle 3rd from top/2nd from bottom 40 slide 60 choke jet...
Build: Yamaha Vino 2T (YJ50) minarelli horizontal engine 70cc BBK Athena sport aluminum Yasuni Exhaust (derestricted) Polini Air intake cone...
Just to close the loop here: I'm confident now that the issue I initially had was that I had my idle set too slow so when I took the choke off...
After quite a bit more research, I'm starting to understand the idle and progression circuits a little better. I think the idle jet is still too...
Alright, gave it a go. same results. Swapped to a 40 idle jet, new spark plug. She fired right up with the choke on. When I let the choke out the...
Other info from the carb: 92 main, 45 idle, 60 choke, W7 needle, 40 slide, clip 2nd from the top, mixture screw 2.5 turns out. It seems like some...
Setup up front: Yamaha Vino 2T (YJ50) minarelli horizontal engine 70cc BBK Athena sport aluminum Yasuni Exhaust (derestricted) Polini Air intake...