That escalated quickly....Backie Chan ski & questions

Yup... you need to come ride. @ScottS Has a nice B Chan setup for you to compare notes and check out. Knowing him thus far he probably has 10 ride plates ( exaggeration ) for the B Chan and would have no problem letting you try some to see what works for you.
 
So I have a question, sometimes she won't crank, and I pulled the hood to see what was going on and it was actually sparking at the negative terminal. Then would click a few times and not start. The terminal wasn't loose, but when I delanded and relanded the connection it starts up no problem. Have had this issue before, I use dielectric grease on both terminals and the 4 connections. The bilge pump always works, even when the engine won't start. So I don't think its the actual terminal itself. My concern is am I going to damage the electronics in it when doing this? I changed out the terminal screws with new ones, the old ones looked a little worn. Any thoughts/ideas? And obviously not thrilled about a spark 3" from my gas cap...second video is it starting no issue.
 
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Replace the starter ( you can always use a spare if that's not the problem ) as you said you already checked all your grounds and wires.
 
Shouldn't it not be sparking at the battery though? To me that indicates its arcing at the cable for some reason local to either the terminal or the wiring. But I could definitely be wrong. How big of a pain is it to change the starter and just replace with an oem starter?
 
Just saw the video. Is your large ground wire the very bottom wire to the battery terminal. Can you get a better pic of your terminal and wires?
 
How big is the battery terminal whole Vs you terminal screw? Do you just have 2 cables going to the ground? Corrosion in the wire? It's arcing for sure.

You can pull the starter while the motor is in the hull. Kind of a pain! I will come over and help you out for my usual fee of 18 Coronas if you need some help. FYI I don't wrench I just supervise And drink. I am thinking it's in the connection at the battery. I have been around a lot of bad starters and never seen that happen. The starter could still be bad but your wires should never spark like that.
 
Haha I may take you up on that if it continues! The previous screw didn't seem to fit right. There was a little corrosion on the leads and no grease. I sanded them lightly, greased all of them, and now replaced with larger screws. Hopefully that takes care of it. Just the 2 cables.
 
After reading what you just wrote I would bet 10 Bitcoins your problem is solved.

A starter that shorts out should not casue arcing unless you have lose wires. If all your wires are tight a shorted starter should only cause your wires to get hot and smoke until they catch on fire.
 
So a new one, what causes the engine to run out and not stop even when the stop switch is pulled? It was REALLY low on gas, so could this have cause it? Went to backflush, it was idling really high, revved it a little, still idling high so I decided to kill it....nothing. Luckily I always carry a screwdriver with me when flushing so I pulled battery leads and it stopped. Scared the crap out of me of course.

My understanding is that sometimes a lean fuel situation will cause this? Possibly because of how low the tank was. I don't believe there is an air leak anywhere. I rolled it in the ocean and not a cool roll either, a "I am a dumbass and hit a wave sideways, ouch that hurt" roll. But still rode for 10 min after that with no issue.

Hasn't done this before, don't think its an issue, but wanted to get some thoughts. Thanks!
 
So a new one, what causes the engine to run out and not stop even when the stop switch is pulled? It was REALLY low on gas, so could this have cause it? Went to backflush, it was idling really high, revved it a little, still idling high so I decided to kill it....nothing. Luckily I always carry a screwdriver with me when flushing so I pulled battery leads and it stopped. Scared the crap out of me of course.

My understanding is that sometimes a lean fuel situation will cause this? Possibly because of how low the tank was. I don't believe there is an air leak anywhere. I rolled it in the ocean and not a cool roll either, a "I am a dumbass and hit a wave sideways, ouch that hurt" roll. But still rode for 10 min after that with no issue.

Hasn't done this before, don't think its an issue, but wanted to get some thoughts. Thanks!

Typically thats a free rev caused by and air leak after the carbs. If it ever happens again hold the throttle wide open and it will die. You tried hitting the stop button too right?


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Typically thats a free rev caused by and air leak after the carbs. If it ever happens again hold the throttle wide open and it will die. You tried hitting the stop button too right?


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10-4, will double check for an air leak. Any suggestions or just see if it ever happens again? I tried hitting stop as well. Thanks!
 
I would fire it up and see how it runs


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Ran her today, runs great. Backwashed and started to run away, but just gave her some gas and it would go away like you said. No issues. But does this mean that there is a small air leak after the carbs? Only does it when backflushing through the pissers, haven't ever experienced it in water, or when not backflushing (although never run it long without a water connection obviously).
Not concerned about it, unless I should be.
 
Chens are fun! You gotta hit us up and do a water test! Lot's of mechanically inclined guys in our group, will easily pinpoint your problems.

Tomorrow the group is riding the Spot at 10:00 am!
 
Chens are fun! You gotta hit us up and do a water test! Lot's of mechanically inclined guys in our group, will easily pinpoint your problems.

Tomorrow the group is riding the Spot at 10:00 am!

Yeah man for sure! Doubt I make it out tomorrow, out of town Mon-Fri next week for work, so leaving most of the day tomorrow may get me in hot water with the wifey. Planning on meeting you guys out at Hugo next Saturday and/or Sunday though. Gotta get with some people that know what they are doing! Right now its just me and a couple buddies that are flying by the seat of our pants. Enjoying the learning, but could use a little guidance for sure.
 
Ran her today, runs great. Backwashed and started to run away, but just gave her some gas and it would go away like you said. No issues. But does this mean that there is a small air leak after the carbs? Only does it when backflushing through the pissers, haven't ever experienced it in water, or when not backflushing (although never run it long without a water connection obviously).
Not concerned about it, unless I should be.

Only does it out of the water because there is no load on the motor. Check and make sure both carb butterlfys are closing all the way. Or it could be a small air leak, or even jetting.


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