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motoretro 10-07-2012 06:33 PM

Electric supply options
 
I'm starting to work on my 1960's German scooter and in order to see if it will fire or not, I need either a new battery or some sort of electrical supply to help test the various apparatus. I really don't want to go buy a new 6V battery that might end sitting for a while once true restoration starts, Can I use a low (1 Amp) 6/12V trickle charger to run some power through the wiring, switches, starter, etc to determine what works and what doesn't?

Thanks, Motoretro

buickid 10-07-2012 09:30 PM

The charger may not operate properly without a battery connected. It may present an extremely high voltage, or none at all. Also, 1A is barely anything, especially on a 6V system. If it were 12V, there are plenty of power supplies out there that would feed the system enough to do everything except turn the starter. I'm not aware of any 6V solutions, though undoubtedly there are some out there.

Beezer 10-07-2012 11:39 PM

a 6v battery charger should work fine for testing lights & ignition coils if it was battery powered. I would be careful not to put it across the voltage regulator.

a 1A charger may not be enough though. what is the primary coil resistance? better yet, what bike?

motoretro 10-08-2012 06:47 AM

buickid & Beezer,

1964 Maicoletta 250cc Scooter............Perhaps a new 6V Battery along with battery tender would be a better choice. I'm concerned I may come across a mechanical problem
while trying to get this to fire up and the battery may end up sitting for a while, parts are scarce.
thanks for all the info.

Motoretro



Quote:

Originally Posted by Beezer (Post 19770929)
a 6v battery charger should work fine for testing lights & ignition coils if it was battery powered. I would be careful not to put it across the voltage regulator.

a 1A charger may not be enough though. what is the primary coil resistance? better yet, what bike?


emti 10-08-2012 03:19 PM

Tape some D baterries together as in a flahlight. 4 x 1.5 =6. Im using that on my DR250 for enough lights to pass inspection emti

Al Tuna 10-08-2012 03:31 PM

6V Lantern Battery

bwringer 10-08-2012 03:32 PM

You're overthinking this...
 
Just grab a 6V lantern battery from Wally World.

If you're worried about letting the magic smoke out, use an inline fuse.

ttpete 10-08-2012 04:42 PM

Quote:

Originally Posted by motoretro (Post 19772007)
buickid & Beezer,

1964 Maicoletta 250cc Scooter............Perhaps a new 6V Battery along with battery tender would be a better choice. I'm concerned I may come across a mechanical problem
while trying to get this to fire up and the battery may end up sitting for a while, parts are scarce.
thanks for all the info.

Motoretro

This. Get a gel battery.

I had one of those scooters years ago. The starter setup is really weird. It bounces the engine back and forth against compression until it makes it over TDC and fires up. Aside from the starter-generator and cooling fan, the bottom end is stock Maico motorcycle. Yours may actually be 277 cc judging from the date. The cylinder and head are unique to the scooter. The porting is designed for torque, and the piston skirt has transfer ports in it. I used a 277 scooter piston and barrel in my Maico enduro sidecar rig back then.

motoretro 10-08-2012 05:09 PM

You're right on the money, the starter system on this scooter is odd to say the least. I thought about a Gel battery although not sure if one is avaialable. I believe the original battery was around 11 AH *. Serial number plate states motor is 244cc although like anything 50 years old, it could have been switched out at sometime. From my investigation, it appears this scooter may have sat at the Distributor's for a few years as the serial # indicates somewhere in 1959-60 production. At this time I need to sort things out enough to get it started before throwing a bunch of money in paint and chrome at it for restoration. Last plate say's 1991 and guy I purchased it from said it ran when put away in the barn.
Thanks,
Motoretro


* looks like a 6N11A-1B will fit well although a 6N11-2D will also although not as well.


Quote:

Originally Posted by ttpete (Post 19775817)
This. Get a gel battery.

I had one of those scooters years ago. The starter setup is really weird. It bounces the engine back and forth against compression until it makes it over TDC and fires up. Aside from the starter-generator and cooling fan, the bottom end is stock Maico motorcycle. Yours may actually be 277 cc judging from the date. The cylinder and head are unique to the scooter. The porting is designed for torque, and the piston skirt has transfer ports in it. I used a 277 scooter piston and barrel in my Maico enduro sidecar rig back then.


ttpete 10-08-2012 06:19 PM

Quote:

Originally Posted by motoretro (Post 19775962)
You're right on the money, the starter system on this scooter is odd to say the least. I thought about a Gel battery although don't have a size application on hand. I believe the original battery was around 11 AH *. Serial number plate states motor is 244cc although like anything 50 years old, it could have been switched out at sometime. From my investigation, it appears this scooter may have sat at the Distributor's for a few years as the serial # indicates somewhere in 1959-60 production. At this time I need to sort things out enough to get it started before throwing a bunch of money in paint and chrome at it for restoration. Last plate say's 1991 and guy I purchased it from said it ran when put away in the barn.
Thanks,
Motoretro


* looks like a 6N11A-1B will fit well although a 6N11-2D will also although not as well.

Generally, the Germans included the year on the serial plate as Baujahr.

At the time, there were two importers. One was Cooper Motors in CA, the other was here in the Detroit area. It went by several names including Maico Motor Co, Engray, and Gray International. Owner was Nicholas Gray, and I occasionally went over to his warehouse to uncrate and assemble a bike he had sold directly.

The ultimate Maico would have to be a Taifun, which was a twin 400cc road bike.

motoretro 10-09-2012 06:51 AM

Thanks for the Baujahr info on the plate, * I checked it out and it's a 1960 as I thought.
I was aware of the Detroit importer, actually purchased the scooter not too far from there. I've seen only pictures of the Taifun, pretty neat piece though.
Motoretro




Quote:

Originally Posted by ttpete (Post 19776497)
Generally, the Germans included the year on the serial plate as Baujahr.

At the time, there were two importers. One was Cooper Motors in CA, the other was here in the Detroit area. It went by several names including Maico Motor Co, Engray, and Gray International. Owner was Nicholas Gray, and I occasionally went over to his warehouse to uncrate and assemble a bike he had sold directly.

The ultimate Maico would have to be a Taifun, which was a twin 400cc road bike.



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