Yamaha batteries
in [Motorcycles Tips]
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From: Bike Guy Joe on 12 Mar 2007 08:09 On Mar 11, 10:51 am, some...(a)some.domain wrote: > In article <uen7v21v97qu5q2fuatik0pief63hd2...(a)4ax.com>, /remove_this_for_email/vamp...(a)istar.ca wrote: > > > > > > > > >On Tue, 27 Feb 2007 22:38:14 GMT, matt weber <matthew...(a)hotmail.com> wrote: > > >|>On Mon, 26 Feb 2007 22:51:16 -0800, ©r...(a)ca.rkba.cid wrote: > >|> > >|>>On Mon, 26 Feb 2007 18:16:13 GMT, Dennis Lee Bieber <wlfr...(a)ix.netcom.com> > >|>>wrote: > >|>> > >|>> > >|>> So the magneto does recharge, but usually not enough...it should read > >|>>some 12.8v as a full charge...12.4v means recharge, and 12v means a new > > battery. > >|>Actually a fully charged battery should be 13.2 volts if it is lead > >|>acid. (Many maintenance free batteries are actually lead-calcium, and > >|>run a bit higher). As a result, the charging voltage really needs to > >|>get in the 14-15v range to provide effective charging. > > > Your right on all that, I have tried them *batteries* at up to 15volts, > >and that is VRLA called Gel,, but the Battery manual states Wet Storage which > > is > >SLA Lead Acid.... > > > The manual cautions on overcharging above 12.8v, but they gotta be > >kidding ...............then they state in the specs that 12.8v is the minimum > >open circuit voltage as per all the other normal batteries... > > >|>Magneto provides spark, not charge. There should be an alternator, > >|>most motorcycles these days don't use magnetto's, and haven't for a > >|>long time. The main advantage of magnetto ignition is you don't need a > >|>battery, EVER.... > > > The Charging System on the Majesty yp400t > >------------------------------------------- > >Charging System: > >System Type A.C. Magneto > > >Model F5RU (MORIC) > > >Nominal Output 14V/27.5 A at 5,000 r/min > > >Stator Coil resistance/color 0.184 ~ 0.276 ohms at 20deg. C > > (68degF)/ > > White-White > > >----------------------------------------- > > >Rectifier / Regulator > >Regulator Type Semiconductor,Short-Circuit type > > >Model SH678-11 (Shindegen) > > >No-Load regulated Voltage 14.1 ` 14.9V > > >Rectifier Capacity 22A > > >Withstand Voltage 200V > > >----------------------------------------------------- > > > So the A.C Magneto is another word for Genetator/Alternator/Stator > >Coil....we always get these terms mixed up because the manufacturer does... > > >Bob > > >|>> > >|>> If your going down to 9.8v overnight, the battery is toast and should > > be > >|>>replaced, using the old battery as a Computer UPS backup battery were it > > will > >|>>stay charged all the time.. > >|>> > >|>>|> Biggest concern now is that my stop&go commute spends too much time > >|>>|>not charging (system doesn't put out enough voltage to charge until > >|>>|>2000+ RPM). I've started taking the freeway route just to avoid idling. > >|>> > >|>> > >|>> That "tick, tick, tick" or more like a "ratchet" sound, is when the > >|>>battery is too low and usually won't start at that point.....the sound > > itself is > >|>>some starter relay knock on newer bikes. > >|> > >|>The starter power even on a 300cc engine is about 30 amps, much more > >|>for larger engines. The wire run from the battery to the switch to the > >|>starter would be too long, and require exceptionally heavy wire (6 > >|>gauge or so). So you can keep the leads from the battery to the > >|>starter very short by putting a starter relay (technically, contactor) > >|>right next to the starter, and then the start switch only has to > >|>handle the current to operate the relay, a faction of an amp. However > >|>if the voltage drops to low, it may not be enough to hold the > >|>contactor in, so you hear it clicking. You close the starter switch, > >|>the relay closes, the current draw from the starter however causes the > >|>voltage to go to low to hold the contactor in, and it drops out, > >|>disconnecting the starter, with the starter load gone, the voltage > >|>comes back up, the contactor closes again.. repeat ad nauseum..... > >|>> The single press of the starter switch "ratchet" sound from the starter > >|>>relay is much different from the starter relay "one click" in older bikes, > >|>>which was difficult to notice at each press of the starter switch. > > the desert eats batterys. you're lucky to get 2 seasons out > of one. so having 6 bikes, it's a nightmare...or was until i > learned to use capacitors to replace batteries. just wire > one in and everything works normally. > the only safety concern is the engine dying and losing the > lights. so if i am going to ride at night, i have a > "floater" small battery that clips on the downtube without > any mechanical fasteners. it runs the lights for 10 minutes > or so, enough to get off the hiway. it's a drycell and just > slaps on easily. > i do keep a battery on my 650 triumph. those are large and > will last 3 years. but on my 500cc single yamays, it;s cap > city.- Hide quoted text - > > - Show quoted text - I bet that works great on all these "modern" bikes with not kicker! ;^) |