1988 Mariner 2.4 200hp no fire

[Pantera2]

Cruising across the lake noticed something floating I powered down pretty hard. Attempted to re throttle and would not pick up at all past 2000 rpms. Limped in with engine dying randomly(but restarting). Ran to town and picked up a new inline fuel filter. Replaced it. Engine has never fired on any cylinder since?? Cannot get fire. What could've happened to make this engine that ran fine stop firing on all six cylinders at once? Is the fact that it ran rough back to dock any indication of faulty stator or maybe trigger? Thanks

 

[Dukedog]

do a comp check and check "kill" circuit......

 

[Pantera2]

Comp is 117-120 all six. Kill circuit being yellow/black wires to switches?

 

[Dukedog]

yeah, at tha switch boxes.. disconnect 'em. pull tha sparks plugs but leave 'em in tha wires and ground in some way...or pull tha plug wires and ground them.. if tha kill circuit is tha problem ya can't kill tha motor if it starts with those two wires disconnected.. leavin' every thing as is you can use a "jumper" with small alligator clip on at least on one end... connect that end to both disconnected blk/yellows makin' sure its not touchin' anything... isolate tha other end but have it ready to touch a ground if tha motor starts.. its kinda like ya had ta "kill" tha old lawn mower motors of years ago....oh yeah, disconnect, isolate tha short "ground" wire at tha mercury switch.... try it by itself first then move to tha switch box blk/yellows..

 

[Pantera2]

Kill circuit checks out too. I noticed while turning over a few times an alarm starts sounding and won't stop till I cycle the key. Could it have anything to do with losing fire? Just thought I'd throw that in there in case it's a bad alarm box. Oh, and ground was good.

 

[Pantera2]

Also built a remote starter switch and checked wires from stator with multimeter. Do not have a DVA yet. It checks good as well.

 

[Pantera2]

Checked the resistance on rectifier and disconnected the yellow wires from stator and tested. Good as well

 

[Pantera2]

Tach doesn't register at all while cranking either.

 

[Pantera2]

Well I ordered a new trigger yesterday. Hoping that's the culprit. Wondering if I should change the stator anyways while I'm there?? Thanks for the replies Dukedog.

 

[Dukedog]

Kill circuit checks out too. I noticed while turning over a few times an alarm starts sounding and won't stop till I cycle the key. Could it have anything to do with losing fire? Just thought I'd throw that in there in case it's a bad alarm box. Oh, and ground was good.

doesn't have anything ta do with fire but it shouldn't sound at all unless it still has oiler intact,,, then only tha "test" sequence....check tha over temp circuit.... yellows are chargin' only.... new stator is always good especially when ya "guessin' ". which is tha keyboard way.

 

[Pantera2]

Got the new trigger today. Had a time with pulling flywheel but eventually she popped loose. Only took 20-30 minutes to reassemble and check all connections and it fired right up. Man, what a sweet sound.... Thanks for the suggestions

 

[Pantera2]

Ran perfectly last night. Got up this morning to no-fire once again. Everything tests same as before. Any idea what's causing trigger failure?