KZ750 Conversion

Submitted by andrew on Sat, 08/11/2007 - 20:41

Location:

Rio Rancho, NM

Home page:

Vehicle type and Maker: Motorcycle 61-72 volts Kawasaki

Conversion time and cost:

3 yrs on and off, >$4.5k

Seating capacity:

Motor:

(2) Eteks horizontally opposed in parallel at 72v

Batteries:

(5) AGM 35ah 12v: EVP35-12

Controller:

400A Curtis, 1100 Amp Logisystems upgrade

Drivetrain:

13T drive 72T driven #40 chain, Custom chain tensioner

Top speed:

65 mph, much faster capable with different gearing

Typical range:

10.5 miles

Number of Wheels:

Curb weight:

470

Miles as an EV:

Charger:

Vector B&D 12v

Heater:

Lighting:

Stock (planned HID upgrade)

Method for 12v system:

Vicor DC-DC Converter

Watt-hours per mile:

135

Description:

-Click here for more detail-

Unconventional aspects of this conversion:

● Horizontally opposed eteks wired in parallel
○ Coupling shaft drives sprocket

● Chain tensioner

● Batteries mounted horizontally opposed
○ Easy to access terminals

● Clutch cable routed to switch that deactivates main SW200 contactor.
○ Great safety feature to de-energize the bike very quickly.

● Fiberglass support for batteries, attached to frame w/fiberglass molded around frame tubes
○ Very simple and lightweight.

● Series/parallel switching of the batteries done with high-power Anderson connectors.
○ Switched in parallel for charging with one 12v smart charger.
○ Can charge from a car alternator w/jumper cables.

● All of the component are mounted by bolting to frame.
○ No drilling/welding was done to frame as existing mounting holes were used.
○ Can remove everything in a few hours.