My boat has an outboard Yamaha 175 motor. It has 2 batteries, but they are not taking a charge.,.. even when I jump them with a jump pack and drive around the lake for an hour. What could be the problem?
2007-08-25 04:15:42 · 8 answers · asked by Kripster 1 in Cars & Transportation ➔ Boats & Boating
Thanks Furmatator... that really helps me fix my boat. What charges the batteries while in use?
2007-08-25 04:25:18 · update #1
The alternator on most outboards is under the flywheel. Your best bet is to take it to your Yamaha dealer and have it checked out.
2007-08-25 04:35:15 · answer #1 · answered by monasowner 2 · 0⤊ 0⤋
Can you follow the battery cables back to the motor? The two cables will be thicker then most other things going to the motor. One of the two cables runs to your starter, its the other one that you want to follow. It goes to your alternator.
Either the batteries are bad or out of water, or low on water, the cable or terminals are not connected tightly or are dirty or your alternator/generator is bad.
It would be unusual to have two batteries just to start the motor on a 175 outboard, could the 2nd battery be for a trolling motor or an auxilary system and not connected to the alternator?
If so a plug in the wall type charger will be needed.
If the batteries have an easy way to snap open the cells on the top, the water needs to be checked and filled with distilled water only.
If the batteries don't have these caps, (usually two), it means they are sealed gel type batteries and don't take water, and may have to be replaced.
You should have an amp meter on your dashboard that should be either to the right of center(charging) or to the left of center (discharging).
If it is discharging while the motor is running it is your alternator, if it is to the right of center your alternator is working and it must be the battery or the connections.
Make sure the terminals are clean and the connections are tight. Good luck.
Steve
2007-08-25 05:40:06 · answer #2 · answered by floridacarguy 1 · 0⤊ 2⤋
Start with the simple things first. It has been my experience that people never check the battery water level. Check that and if you need to add distilled water. Check and clean /tighten all the connections. You can check the alternator output with a voltmeter if the boat does not have a gauge. With the engine off you should have about 12-12.5 volts and should see about 13-14.5 when running. Your engine either has a stator under the flywheel or an alternator. But check the easy stuff first.
2007-08-25 04:51:04 · answer #3 · answered by mark t 7 · 0⤊ 0⤋
Charge coils under the fly wheel an in the pulse pack >Need test equipment.With a volt meter check battery's voltage then start Eng volts will increase till charged if no increase than you have issues> If volts increase than have the battery's checked load test.Outboards will only keep a fully charged battery charged not charge a dead battery as there only 15 = 30 amp chargers.if you have a 100 amp battery or batterys you do the math. All day running to charge it???
2007-08-25 06:03:21 · answer #4 · answered by 45 auto 7 · 0⤊ 0⤋
I would say that your alternator is wrecked, and the way you deal with that is talk to a yamaha dealer, or the place that you got your boat from. they'll know where to look and what to do with it, and that way you can ensure that everything is done properly. good luck
2007-08-25 04:24:30 · answer #5 · answered by Anonymous · 0⤊ 1⤋
looks like the guys on here today adhere to the adage of "if you can't dazzle them with brilliance, baffle them with BS!!" the only battery the engine will charge is the starting battery. should show 13.something with the engine running. if you have a trolling battery, you will have to charge it yourself.
2007-08-25 07:42:01 · answer #6 · answered by Anonymous · 0⤊ 1⤋
try cleaning all the battery connections
2007-08-25 04:41:31 · answer #7 · answered by smokey 7 · 1⤊ 0⤋
there is no alternator on most boats
2007-08-25 04:21:13 · answer #8 · answered by furmanator1957 4 · 0⤊ 4⤋