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    2016 Yamaha F4 Rectifier Wiring

    Further investigation by taking a few parts off in fact reveals there is no lighting coil up under the flywheel! Gonna check Yammy price but no doubt they will be out to lunch. Probably get the one either from China or the ones on Amazon come from Russia! Crazy!!!!!!!!
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    2016 Yamaha F4 Rectifier Wiring

    Just what I'm probably looking for, thanks! Always good to have options, the last time I did a China order it only took a week to get here!
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    2016 Yamaha F4 Rectifier Wiring

    Looked up under the flywheel, nothing like that there. The only assembly is the CDI unit that sits adjacent to the flywheel. Strange that it can produce 14V AC to the kill switch but nothing elsewhere. The stator in the kit is round and has the 2 green wires coming off of it. I'm good at...
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    2016 Yamaha F4 Rectifier Wiring

    Rigged it up with wires from dead pins going to rectifier green pin, zippo! Took the cover off the stator to see if I was missing some wiring, nothing there, it all goes through the CDI unit adjacent to the stator, which is where the 4 pin block is part of. I looked at pictures of the "kit"...
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    2016 Yamaha F4 Rectifier Wiring

    I will give those pins a try tomorrow! I just thought if the dead pins didn't work I'd try the "live" pins, and if that worked find a different way to hook up a kill switch, like shove a sock into the intake!😂😂 I'll report back, thanks!👍
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    2016 Yamaha F4 Rectifier Wiring

    No worries, appreciate the help! Yes, 0 ohms across the dead pins, AC current present on the 2 kill switch pins, and 2 green wires coming out of the rectifier only, no other wires coming from under the stator area. When the motor was running I did test the 2 dead pins but got no reading...
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    2016 Yamaha F4 Rectifier Wiring

    Sorry, yes, motor off and 0 ohms. Just to verify, the two greens from the rectifier will go to the 2 pins that I'm getting the AC voltage from. The red wire from the rectifier to the POS on the battery and the NEG ground wire from the rectifier to ground on the motor which then goes to NEG on...
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    2016 Yamaha F4 Rectifier Wiring

    Just cranked it up again and yes, 0 ohm's across the 2 dead pins....
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    2016 Yamaha F4 Rectifier Wiring

    Unable to find any wiring schematics for my F4 four-stroke, to hook the rectifier up, including from Yamaha themselves! The F4 came charging ready, 6amp alternator. I bought the applicable rectifier from Yamaha, a four wire unit, 1 black, 1 red and 2 green wires. A four pin plug comes off the...
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    Oil Pressure Sending Unit on F150 Yammy

    Just wondering if anyone else has had this problem with the sending unit. First start up of the day, motor fires up and oil pressure light/beep comes on and stays on. Now, if you turn the motor off right away and restart it the warning light does not come on, nor does it come on when the...
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    Check Valve at Fuel Tank

    I"m still trying to figure out my Yammy fuel starvation problem. Replaced the primer bulbs, they work fine, re-routed and tried different fuel line hookups but, I still can't get the bulb to prime up nice and tight. I found through my trial and error procedures that there is a one way check...
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    Lift Pump Problem

    So I've narrowed my lack of fuel delivery down to the lower lift pump on the F150. It barely shows any vacuum at all on the inlet port and shows zero pressure on the outlet port. So my question is, which part is faulty, the rubber diaphragm, the small ports that are fixed in place in the valve...
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    2004 F150 Not Getting Fuel When Warm

    I know it's simple but danged if I can figure this out, nor my other 2 "expert" boaters so here I am again! Starting the motor, not problem, head out on lake for a 15 minute run at 30 mph to my fav fishing spot, no problem. Troll around with the kicker for an hour or two, light up the big...
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    Removing Powerhead on 2004 Yammy F150

    So, the manual says there are a total of 15 bolts that hold the powerhead on. After searching and searching, I've managed to find and remove 7 bolts, four from up front (two on each side) and the 3 that are at the very rear. The manual says there are 4 long skinny bolts on each side of the...
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    Oil Pump on 2004 F150 Yamaha

    So, I noticed some oil that had dripped down the outside of the leg and to the skeg, and after some investigation and cleaning found that it came from the seal on the bottom of the oil pump. There is a small drop that collects after a period of time on the seal so I'm guessing its hooped. Now...
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    2004 F150 Injector Update

    Just a FYI for those that think they may have injector issues. I did take mine in and get them cleaned (ultrasonically - ASNU) and new filter baskets and seals put in, about $180 to have it done. Two of the injectors were listed as "bad", one "fair" and one "good" on the report. It wasn't the...
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    Injector Screen???

    So I think I've narrowed down my "missing cylinder" problem, eliminated the spark plugs and am now looking at a plugged injector. The injector is working, gave it the "screwdriver test" and you can hear it clicking like the other ones are. When you pull the injector harness off it makes no...
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    The Infamous Yamaha F150 Balance Assembly!

    I've read a ton, make that 2 tons, of threads on the a/m subject, to the point of where not only I but other F150 owners acquired OCD over the blowing up of engines and whine of bad balance assembly's! I made the decision to just replace mine, swearing on a stack of bibles to my wife that it...
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    Yamaha F8 Four Stroke Smoking

    I have nearly 5000 hours on the 2004 kicker, its served me well. This past year it has started to smoke intermittently, 6 hour of running and then all of a sudden she'll smoke like blazes for about a half an hour. Compression seems good, 100 on top and 105 down below. It also doesn't use any...
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    2004 Yammy F8 Oil Seal

    The oil seal at the bottom of the powerhead (where the driveshaft goes through) is finally leaking, I guess after 4200 hrs something was bound to wear out. I cannot get this seal through Yamaha, it apparently is back-ordered from China! Is anyone aware of aftermarket seals that would be...
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