Ackattack2 lg Ack Attack SpecsTop 1 Ack Attack
LSR Records / Specs

*The Top 1 Ack Attack is currently the World’s Fastest Motorcycle

Sept. 25th 2010 / 376.363 MPH   1 KILOMETER WITH FLYING START
*Exit Speed on final pass 394 MPH!

Sept. 26th 2008 / 360.913 MPH   1 KILOMETER WITH FLYING START

Sept 3rd 2006 / 342.797 MPH   1 KILOMETER WITH FLYING START
*First to break Dave Campos’ 16 year record of 322.150 MPH!

Sept. 5th, 2006 / 348.178 MPH

**Sept. 3rd 2007 / 278.540   Average Speed Through Kilo WHILE CRASHING!

Rocky Robinson

making l1 Ack Attack Specs
making l5 Ack Attack Specs
making l16 Ack Attack Specs

Designer / Builder
Mike Akatiff

Vehicle Type:
single-seat, streamliner motorcycle

carbon fiber

Aerodynamic drag CD:
.121 measured 0 beta with rear doors

chrome-moly 4130 tubing

Twin, Suzuki Hayabusa, in-line, four-cylinder, engines
Material: aluminum cylinder blocks and heads; water-cooled
Crankshaft: forged, fully counter-weighted, gear-driven counterbalance shaft
Valve train: double overhead cam, chain driven
Valve design: four valves per cylinder, bucket followers
Intake system: single, exhaust-driven, turbocharger and waste gate;
water-cooled, intake-air intercooler
Turbocharger boost: up to 30psi
Fuel system: Motec EMS
Ignition system: Motec EMS
Lubrication system: dry sump
Lubricant: Top-1 SMO 8000 15W50 Fully Synthetic Motor Oil
Total Displacement: 2598cc
Bore: 3.2in/81.0mm
Stroke 2.5in/63.0mm
Compression Ratio: 8.0:1
Horsepower (SAE net): 1,000+
Max. engine speed: 10,500rpm
Transmission: Six-speed gearbox for each engine
Clutch: multi-plate, wet (coupled hydraulic action nitrogen assisted)

Front: 7075 aluminum swing arm, Penske coil-over shocks
Rear: 7075 aluminum swing arm, Penske coil-over shocks
Steering: Center hub 24 degrees lock to lock
Ratio 2.0:1
Brakes: Double disc-rear, water cooled, six piston calipers
Wheels (in) 7075 aluminum two piece:
Front: 7X16
Rear: 9X18Tires (in) Mickey Thompson
Front: 7X16X24.5
Rear: 9X18X26.5Exterior dimensions:
Wheelbase: 12.0ft
Length: 20.5ft with doors
Height: 32.0in
Curb weight: 1617 lb empty

Capacities (U.S. gal):
Engine oil tank: 2.0L each
Engine coolant tank: 30.0 gal
Inter cooler water tank: 15.0 gal
Fuel tank: 4.7 gal

Top Speed: 400+ mph (estimated)





behind l23 Ack Attack Specs

making l14 Ack Attack Specs making l15 Ack Attack Specs
 behind l2 Ack Attack Specs  behind l3 Ack Attack Specs
 making l13 Ack Attack Specs  behind l21 Ack Attack Specs