1992 Ducati Paso 907IE

R

real_shalom

New member
Mike,

Assuming the bike's charging system is working properly, and assuming your battery is strong, you should be able to go to the beach overnight without your battery charger. Here's the rub: Pasos are notorious for having inadequate rectifiers. The OEM rectifiers were junk, and the aftermarket rectifiers used to replace the OEM rectifiers aren't much better. The end result is that many Pasos, (my three included), actually discharge the battery as they run! Not a lot, but enough to notice. After every ride, it takes my 907ies five to ten minutes on the Battery Tender before the battery reaches full charge again.

When it comes to Pasos, I don't go anywhere without a battery tender. Between the excessive draw from the clock and the inadequate rectifiers, I just down trust them to start without a constant trickle charge.

Elton
 
Mike,

Good idea. Here's a suggestion: Lot's of people use amp meters, (or some other electrical measuring device), to test their charging system. The problem with this method is that it only measures the charging system for a short period of time, and only when the bike is stationary.

I think a better test is to go out for a long ride, (an hour or two), and then, when you get back from the ride, immediately plug your Paso into the Battery Tender. If the Battery Tender switches over to constant green, (fully charged), within a second or two, your Paso's charging system is working fine. If, on the other hand, after plugging your freshly ridden Paso into the Battery Tender it takes five or ten minutes for the Battery Tender to switch over to constant green, then your Paso's charging system is working like every other Paso charging system I'm familiar with, (which is to say, "like crap!), and you need to travel with a Battery Tender.

Not that it's any consolation, but the 900ss model from the same time period, (early to mid 90ties), has the same crappy rectifer and, (not surprisingly), the same charging problem as the Paso. Sometimes I wonder how Ducati ever managed to stay in business!

Elton
 
They used cheap parts (or car parts) right around when Cagiva backed them. Ducati must have been the red headed step child!

I'll give that a shot and see if it is charging.

Thanks again for all the help!

Mike
 
FWIW, google around for Ducati Energia. DE makes and made most of the electrical components for these bikes. You'll find a ton of info and products for the older bikes as well as contemporary units. Upgraded stators, reg/recs and so on.

Here's one euro site you can start with.
http://www.euromotoelectrics.com/category_s/62.htm
 
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