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clean gas tank. ive heard electrolyte. kind of like a bubbler for hho, working

engine harness 6P. Coil, negative. i don't know. it plugs then the wires turn different colors. i dint check much.

black on honda is power. green is ground. i think it was right from the harness. blue white was double rpms. the cdi, didnt do anythig when i touched the tach pickup, wire, from it. i tried all the ones, blue and white and i didnt know if it would blow it. i heard that one guy say, something, it was double, like a blue and white wire. ddint soudn like nothing blown. reaad wires. greens ground. according to manual. im loking for neagtive. didnt find it. checked the wires. didnt touch red. honda's power is black. guess red can be used. i read one part of the harness, black is honda and somebody said that. honda's power is, black.

that's all i know. the top the wires change colors. yellow with patches of green. and blue white green didnt do nohting, i didnt touch red. yellow green patches tach was idling, 1700 rpms. 1500 i dontknow. 10,000 rpm and ill find out.

ok. so i went outside, and hooked up the tach. i touched the pickup wire to stufff. i went to the 6p on the wiring harness. green. nothing. afraid to fry it, i didnt touch red. white, gave me i think double rpms. yellow with green patches, gave me, i think, the right rpms. i cant rev cause of wrong needle. showed 6000 revving up.

ive tried negative ignition coil.

yea but that guy figured u needed a resistor inbetwen to get the right rpms. so. you think the headlght wire might work? i think its the headlight gets power sent to it twice per prm. which makes 2 rpms for a twin cylinder. cause if it gets low enough rpm, the headlight, jars, blinks, slow like, and dims. where am igoing to get the tach signal at? its a john deere 10k rpm tach. they sold them on ebay for a while. 3 inch tach.
this, www.ebay.com/itm/200732593175

it needs two pulses per rev. becaues this is a 2 cylinder..


the book www.hondaspree.net/other/SA50_88-02_service.pdf
is there, chapter 14-0. starting. im 14-6 regulaotr/rectifier 4P connector, check charging components at connection terminals. then lists 4 battery wire, charging coil, lighting coil, resistor. theres 2 colors on each. i think +- yellow-green lighting. and the next column is battery voltage.

then next 14-7. alternator inspection stator charging coil disconnect 6P. resistance between white and green terminals, tells u if the stators needs replaced. then it says stator lighting coil resistance between yellow and green terminals then replace stator coil if not in range.

so thats what im looking at.
i read this here about my coil but, i dont know where to hook in. which wire. maybe i should check ground first.

It turned out that it takes the timing/trigger from the lighting coil! Even though it's used on a two stroke twin, it uses the timing from the lighting coil, not the ignition (2 sparks per rev on the twin). So the rpm is correct based on using the number of charging pulses per rev. Sweet! I got a cool 3" analog 10k tach

oh well. do you think it would, pickup, the same. how close, does the pickup have to be to fire right. how much would set it off. too much. what if it was 1 degree, is that 1 degree around it?

1 degree off. i thik i can find a 4 stroke one. i need a flywheel puller. does geniune parts match up, some cvt's are close?