alternator to replace 3 inch Dynamos (unspecified)

 
71 98 499 20
(for unspecified use in applications with parallel shaft where you do your own adapters)

price and availability

• 12V/75W output, negative ground (Will be destroyed if subjected to positive ground!)
• may be used for left and for right turn
• integrated solid state regulator/rectifier
• may be used without battery
  requires than however smoothing condenser (see info)
  NOTE: output at start is not enough to make battery based ignition work without battery. Without battery only if bike has magneto based ignition!
• no internal gears, carbons or other parts subjected to wear and tear
• uses stock back plate

• sturdy plated steel body with alloy end caps
• diameter: 76mm
• length of body: 150mm
• shaft diameter at carriage level 13mm
• threading in shaft is M6
• for overall dimensions see drawing here 
• weight: 2.3kg
• fixed red plus wire of ca 1m length (to be cut as needed)

• 12V/75W (at 8000 shaft revs which is about 6000 engine speed)

• negative ground only (will be destroyed if placed on positive ground!)
• integrated solid state rectifier/regulator converts the generated alternation current into direct current and stabilises it at 14.4V (the norm in 12V systems)
• if used without battery you need to install a smoothing condenser in place of the battery to get full output.

• assembly and operating instructions

• unit with the delivered parts
• view at backend
• view inside
• sealed bearings inside