thanks alot. i m going to try changing my stator and my regulater and i m going to take it from there.the only thing i did not understand is the output transister.if i buy a new regulator that problem should be fixed.
On Sep 8, 2:44 am, [email protected] wrote: > Yes, probably your stator is to rewire. If you want to save $$$, you can > check the three phased windings (yellow wires) : they are probably OK. The > most critical winding in this stator is the excitator winding (black / > white wires). You will probably find that it has 2 or 3 Ohms resistance, > which means that it is fried, and the three phased windings are OK. In that > case you don't need to rewire the three phased winding. > > You can ask two things to the professionnal who rewires : > > 1 - Put the best quality wire, in the same gauge. Taking a high quality > insulated wire allows to gain 10 to 20 centigrades in temperature inside > the winding without burning the insulation coating. > > 2 - Go one gauge towards thinner wire. For example if this winding is in > gauge 20 wires, go to 21. This will cause your bike to begin charging at > ~1500 rpm instead of 1200. You will have to know it and avoid riding for > long rides in 6th gear at low speed / low rpms. Usually, with this type of > bike, most riders like to go in the rpms, where the engine gets brillant, > so it's not a real drawback. > > If you have some hand skills and electricity equipment, you can try to > rewire yourself this winding. Not so difficult. > > Now, once your stator rewired, check carefully your regulator. Yes the oem > Shindengen model has no protection against over current. It can be fried, > since the excitator winding of your stator is fried, and in that case, it > is probably fried in short circuit of the output transistor, which means > that you have no regulation at all. If you ride a while in this situation, > you can fry your battery (it boils, it can explode...), or you can fry > again your stator. > > Usually, owners who enter this deadly circle sell the bike. Perhaps you > bought such a bike... Good luck. > > It could be a good thing to change the regulator anyway. In that case I > recommend NOT to buy an used regulator in a junkyard, but buy an Electrex > or Electrosport regulator : modern, self protected against over current / > overheating. This will anyway save money against a new Shindengen regulator > bought at a Honda dealer (if he finds one...) ! > > In case your stator is rewired to the original spec, I recommend to replace > the H4 lamp by a LED compatible light. It allows you to ride at day (not at > night). Usually OK for summer. And if you want to use the bike at night, > change the bulb (could be a good deal in winter). The reason ? In winter, > air temperature gets colder and you are less subject to fry again your > stator : it happens usually on warm summer days. On my 650 CBX (NH), I > changed also the turn indicators and rear light for LEDs. I rode it on long > rides this summer, on 38°C days, with an original spec stator, and no problem. > > At 07:58 07/09/2009 -0700, you wrote: > > > > >i have a 1983 nighthawk cb650 ,i have a new battery.but everytime i > >charge it go for a long ride come back turn off the bike try to turn > >it back on...battery is dead.all trough the ride i was able to to > >start it 3-4 times.i checked it with a metter by putting the red on > >the positive on the battery and black on the negative side of the > >battery and it reads 11.80...but when i rev it it goes up to > >12.3..after the ride it read 9.8 and dropping.whta could it be do.do i > >have to chang my alternator.- Hide quoted text - > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nighthawk_lovers?hl=en -~----------~----~----~----~------~----~------~--~---
