Engine

Engine: 2013 KTM 250 SX-F, 4-stroke, single cylinder

Capacity: 249.9 cc

Bore: 78mm

Stroke: 52.3 mm

Compression ratio:  14.5:1 (Wossner piston)

Con-rod: OEM (Pankl)

Camshafts: 1 Inlet, 1 Exhaust (OEM KTM)

Valves: Titanium 4-valves per cylinder (OEM KTM)

Cylinder head: OEM KTM

Exhaust: IMD/MeadSpeed Customs Ti with Ti muffler

Transmission: 6-speed sequential, race-shift pattern (1up, 5 down) (KTM OEM)

Gears all undercut by Cemek Engineering, Petone, NZ

Gear ratios: 13:32, 16:32, 17:28, 19:26, 21:25, 22:24

Primary ratio: 24:73

Typical final ratio: 17:38

Clutch: Hydraulically operated, wet multi-disc (Suter slipper clutch)

Fuel system: Fuel injection OEM KTM (Keihin)

Ignition: CDI ECU (OEM KTM)

Starting system: On-board electric start

Battery: 12V Shorai Li-ion

Cooling: Liquid

Lubrication system: 2 Eaton pumps, forced pressure and scavenging

Air system: Ram-air airbox

ECU: Vertex

Max HP: approx. 49 hp (36 kW) @ 11,000 - 14,000 rpm

Max Torque: approx. 22 ftlb @ 10,500 rpm

Chassis

Swingarm: HRC NSF250 NX7

Castor angle: Confidential to IMD/GPR NZ

Rake/Trail: Confidential to IMD/GPR NZ

Wheelbase: 1230 - 1270mm

Seat height: 760mm

Weight: 78-83 kg depending on specification

Front suspension: Showa/KSS/Andreani NIX-20 41 mm telescopic upside down forks, TiN coated

Rear suspension: Nitron or Ohlins Moto3 specification

Front wheel: 2.5" x 17" Marchesini or Marvic cast Magnesium

Rear wheel: 3.5" x 17" Marchesini or Marvic cast Magnesium

Brakes (Front): Single disc 293mm cast iron, Brembo or Accossato radial master cylinder, Brembo 4 piston front calliper

Brakes (Rear): Single 195mm stainless steel, HRC RS125 master and calliper

Fairings: KTM Moto3, Carbon fibre or standard GPR

Seat: JHA, carbon fibre or standard GPR

Fuel capacity: 6.5L, IMD aluminium fuel cell, Carbon fibre IMD airbox fuel tank cover

Dashboard: AIMSport MyChron 3 or Starlane Athon GPS

Data capture: Q-Starz Q1000BT GPS data logger

Brake pads: SBS Dual Carbon

Final drive: 17/38, RK 415RU chain

Top speed to date: 195 km/h (Ruapuna and Levels circuits, New Zealand)

Tyres (front): Bridgestone R03Z YDC 90/580-17

Tyres (rear): Bridgestone R04Z YDC 120/595-17

Note

Base specification model iM250 will be supplied with the following items:

Latest model KTM 250 SX-F engine

Honda NSF250 NX7 Showa rear shock absorber

Honda NSF250 NX7 standard Showa forks with radial caliper

Honda NSF250 NX7 wheels

GRP fairings 

Accossato brake master cylinder

Stainless steel exhaust

Generic rev counter and temperature guage

OEM KTM clutch (non-slip)

High performance items can be ordered as options

Options are available for:

Brand new components

Re-purposed and reconditioned components

The Innovative Moto Developments IMD iM250 Development story

Bike Rider Magazine Article, May 2016