2007 Suzuki Boulevard C90T - The battery seems to not be charging. After a few hours of riding, the battery starts to lose power. I tested with a volt meter and I'm getting about 13.8 volts when idling. So it looks like it should be charging. But I have killed two batteries in recent weeks, Help!
Check your regulator rectifier wire , the water to get in there and the wires seems to broke it happend to me and that was the problemCheck your regulator rectifier wire , the water to get in there and the wires seems to broke
it happend to me and that was the problem
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Sounds like a battery issue. The c90 did not come with a radio so I'm sure its aftermarket which the bike was not designed to handle... trickle charging only charges a weak battery... take a load test and make sure you have atleast 10 vdc when the bike is cranking.. easy test jumper cables to a known good 12 volt battery and that the jumping vehicle NOT RUNNING! If it starts with no issue you have a faulty battery
check for problem coil/s and ignition control module
the indications that an electronic component is failing when it gets hot and causing intermittent spark
Classic failure that I have experienced twice now while riding a 2007 Suzuki C90. Both times the bike went totally dead electrically while going down the road. In both cases, I sent a fellow rider off with my battery, to buy a battery that fit. That's how I got home, with the ignition system running off of the battery alone. The old battery was the first bad actor. It shorted out internally causing the regulator rectifier to call for max amps from the stator, burning the stator up...melting windings...both times. Replace the battery with a high quality battery, and replace the stator and rectifier/regulator with top end stuff...like Ricks Motorsports. Yes it costs three times as much, but it handles three times the wattage. Don't go back with OEM parts like I did the first time. It will fail again just after the warranty expires.
Check the fuse box and battery leads for a bad fuse. Check the battery connections, ignition switch, kill switches (including the side stand kill switch), and wire connections.
I have a 2006 C90T and had the exact same issues. I have no great solution for you other than to tell you that in my case it turned out to by the stator. This is one of the only known reliability issues with this bike. With the regulator and stator setup on the standard C90 the stator is basically 'running' all the time due to the type of regulator/rectifier. What myself and many other have done is to replcae the regulator with Cycle Electric CE602 (made for Dynaglide Harley). This type reduces the load to the stator hopefully extending the life of the stator. The CE602 is much larger than the stock one and will have to be relocated. All my power issue went away once upgrading to a better charging system. To be sure though I would get it into a shop to have them test it right.
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It could be road conditions, but check the condition of your tires for any damage or incorrect air pressure. Have you changed tire brands lately? Go over the front and rear suspension with wrenches to make sure nothing is coming loose. An improperly mounted tire on the wheel rim can cause strange things. Hope some of this helps!
the altanator is under the left side cover that bulges out, to test the out put with a meter find the plug with the 3 yellow wires that comes from that cover and test with meter set on ac volts 0 to 100 range. put the leads between the wires with them unplugged from harness, test all combantions and you should get about 60 ac volts when you rev motor to 3500 rpm. if this checks good you need the rectifier/regulator not the stator.
Check your battery first, if it's more than 2 years old, it could be had it. Disconnect the battery, and check the voltage with a multimeter, if the reading from your battery alone, is less than 12V, then your battery is no good. To check your alternator function, using your existing battery, start the bike up, and check the voltage reading at idle, should be about 13 - 14Volts if your alternator is charging the battery.
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