Donor vehicle found.Controller and Contactor MountedThe beast arrives.Battery & Motor Mock UpMotor PlacementUpper Battery TrayMotor MountedOversized Rear EndLower Battery Tray
OwnerJacob Smith
LocationWalla Walla, Washington United States map
Web/EmailWebPage email image
Vehicle1991 Suzuki GSXR 750
Last year of the Air/Oil-cooled 750 gixxer.
MotorD&D Motor Systems, Inc. ES-15A-6 Series Wound DC
DrivetrainDirect Drive Chain - 5.67 gear ratio.
Sprockets: 68 tooth rear, 12 tooth front.
ControllerAlltrax 7245
Batteries50 Headway 40160S, 3.20 Volt, Lithium Iron Phosphate
16AH cells purchased from Manzanita Micro.
Arranged in a 2P25S pack.
System Voltage80 Volts
Charger Headway 72V x 3A
Cheap no-name that I bought second hand.
Charges to 85.5V which is just over 3.4V
per cell.
DC/DC Converter None
Using a separate pack of salvaged SLA's.
Top Speed50 MPH (80 KPH)
Does 50 on a fresh charge, but tapers off
to 45 after a few miles.
AccelerationRespectable, but not crotch-rocket (yet).
Range25 Miles (40 Kilometers)
5.0 miles to work.
EV Miles
Start:14,700 Miles (23,652 Kilometers)
Current:15,250 Miles (24,537 Kilometers)
Total:550 Miles (884 Kilometers)
    As of 10/23/2011
Curb Weight433 Pounds (196 Kilograms)
Little heavier than I wanted, but still
lighter than stock.
1/12/09 I've torn the bike down to the frame.
1/23/09 Motor has arrived.
5/21/09 Sprockets and Chain ordered.
5/22/09 Plasma cut the motor mount blanks.
6/1/09 Motor mounted. 'Nuff said!
6/2/09 Sprockets and chain put on.
6/5/09 Connected 12v to see wheel spin. Awesome!
7/17/09 AllTrax 7245 and Magura throttle arrived.
7/28/09 AllTrax mounted.
10/18/09 Lower Battery Tray completed.
11/07/09 Upper Battery Tray completed.
2/28/10 Started high current wiring.
3/13/10 First test ride. It works!!!
8/1/10 Soneil 3A Superchargers melted. Poorly
shoddily built.
8/15/10 SLA pack is dead. One of cells vented.
9/15/10 First phase of Headway batteries installed.
2/1/11 Second set of Headway's installed for testing.
Double Awesome!
7/25/11 Licensed and Insured. On the road, legally.
9/21/11 Been commuting for two months now. Tons of
to ride. Suspension needs a serious rebuild.

code by jerry