| Powertrain | |
| Manufacture / Model |
KTM 525 XC |
| Bore / Stroke / Cylinders / Displacement |
100 mm bore / 72 mm stroke / 1 cylinder / 565 cc |
| Compression ratio |
10.4:1 |
| Induction (natural or forced, intercooled) |
Wategate controlled IHI turbocharger |
| Throttle Body / Mechanism |
40 mm, Butterfly actuation |
| Fuel Type |
E-85 ethanol |
| Max Power design RPM |
7600 |
| Max Torque design RPM |
6000 |
| Min RPM for 80% max torque |
5000 |
| Fuel System (manf'r, and type) |
Student designed and built, dual fuel injection, Bosch 5 deg offset pencil injectors, sequential |
| Fuel System Sensors (used in fuel mapping) |
Air Temp, Coolant Temp, Throttle Pos, Crank Pos, Manifold Air Pressure, Wideband Oxygen |
| Fuel Pressure |
3.5 bar |
| Injector location |
Housed in custom aluminum boot, targeting intake valves, 117.8mm away from intake valve |
| Intake Plenum volume and runner length(s) |
1400 cc, 177.3 mm length |
| Exhaust header design |
2-1 unequal length, 31.8mm primaries, 16 AWG CNC bent |
| Effective Exhaust runner length |
396mm |
| Ignition System |
Mototron coil / NGK DCPR8EIX plug |
| Ignition Timing |
3-D map, 9000 RPM wide open throttle, 29 deg BTDC max advance |
| Oiling System (wet/dry sump, mods) |
internal dry sump, 2 filters / 1 pressure pump / 1 scavenge pump, Turbo in series with engine oiling |
| Coolant System and Radiator location |
Dual sidepod mounted radiators, dual pass, fanned, 18.1 kW heat rejection |
| Fuel Tank Location, Type |
Floor mounted between driver seat and firewall, anodized aluminum tank with trap doors |
| Muffler |
Riveted steel endcaps, aluminum housing, perforated core and fiberglass packing |
| Other significant engine modifications |
Wet-liner ductile cast iron sleeve, Stainless steel valves and springs, Ampco 45 valve seats and guides, Wiseco brand forged piston |
|
| Drivetrain | |
| Drive Type |
D.I.D. 520 ERV3 X-Ring Gold Chain |
| Differential Type |
Drexler Motorsport Formula Student 2008-9, Limited slip, Clutch Type, 10 Nm preload, 1.4 bias ratio |
| Final Drive Ratio |
2.28 |
| Vehicle Speed @ max power (design) rpm |
|
| 1st gear |
36 mph |
| 2nd gear |
46 mph |
| 3rd gear |
57 mph |
| 4th gear |
67 mph |
| 5th gear |
79 mph |
| 6th gear |
N/A |
| Half shaft size and material |
17mm OD solid 300m steel Heat treated to Rc 60, and shot peened |
| Joint type |
GKN plunging Tripod inner, GKN Fixed CV Joint outer |
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