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 ENGINES                                                                                    

                      M2 KARTSPORT Specializes in the 250cc TAG 4 Stroke engines.

                           HORSE POWER             RELIABILITY                 TORQUE



ORAL RACING 4TK
                               

Specifications

MONOCYLINDER 4 STROKE ENGINE:
Bore: 78 mm
Stroke: 52 mm
Capacity: 248.5 cm3
Conrod length: 100 mm
Clutch: Centrifugal
Main power transmission device: Chain
Timing device: Two camshafts on cylinderhead
Inlet/exhaust valves: 4 valves
   
INLET SYSTEM:
Carburettor: Dell'Orto 030 mm (optional: 026 038)
Air filter: Airbox with possibility to remove filtering element
Acoustic level: <100 dbA
   
COOLING SYSTEM:
Water circuit cooling device
Water pump fully integrated into engine body
   
IGNITION SYSTEM AND STARTER:
Electronic ignition device with variable spark advance
Backup battery and generator
Engine speed revs. limiter by software
Electrical engine starter
   
EXHAUST STYEM:
Exhaust silencer as per rules  
Pollution as per EU rules  
   
ENGINE BEHAVIOUR:
K1 version: 38 mm carburettor, 29.1 kW (39 CV) @ 13.000 revs/1'
K2 version: 30 mm carburettor, 26 kW (35 CV) @ 13.000 revs/1'
K3 Junior version: 20 mm carburettor, 16.7 kW (22.5 CV) @ 13.000 revs/1'

 

 

VAMPIRE VT250 V2


SPECIFICATIONS

 SINGLE CYLINDER, 4-STROKE ENGINE:
Capacity: 249.83cc
Bore/stroke: 75.0/56.5mm
Compression ratio: 12.7:1
Carburettor: Dell'Orto ? 30mm
Engine speed: 13,000 rpm
Performance: 34 HP 26.5KW at 9,250 rpm
Valve gear: 4-valve/DOHC with flat-base tappets
Lubrication: semi-dry sump with integrated oil filter
Motor oil: 0.7 litres vampire blood
Drive train: type 2 1 9 chain
Transmission ratio: from 11:93 to 14:70
Cooling system: liquid cooled, external water pump
Clutch: SRT five plate centrifugal clutch
Ignition: Kokusan CDI
Weight: 17.6 kg
Dimensions in mm: L 321, W 225, H 425

 

TECH F1



SPECIFICATIONS
Cubic capacity
Cylinders
Stroke
Bore
valves number
Timing system
Valve train
Carburetor
Ignition

Lubrication
Transmission
Starter
250 cc
1
50,9 mm
78,9 mm
4
double camshaft (DOHC)
timing gears
by Dell’Orto
digital capacitive with variable spark advance

force feed lubrication at dry oil pan
centrifugal clutch
electric
 
SWISSAUTO SA250



SPECIFICATIONS

Engine type

Single cylinder 4 stroke with balance shaft

Power

35 / 39 HP at 10'000 rpm with 30 / 34 mm carburetor

Displacement

249.6 cc

Bore / Stroke

75 / 56.5 mm

Engine housing

gravity die cast Aluminium

Cylinder

Aluminium gravity die cast with Nicasil liner

Cylinderhead

4 valves per cylinder, DOHC on rollerbearings

Crankshaft

Steel, forged, rollerbearings

Piston

Aluminium forged

Conrod

Steel, forged, rollerbearing

Cooling system

Water cooled, Waterpump integrated in engine block

Lubrication system

Integrated dry sump with diaphragm pump

Ignition system

Digital DCI with rev. Limiter

Carburetor

Dell'Orto 30 mm / 34 mm

Fuel pump

Vacuum pump integrated at the engine housing

Gearbox

Direct drive with centrifugal clutch and chain drive

Dimensions

L/W/H = 410/190/330 mm

Engine weight

15 kg including starter

* CALL FOR CURRENT PRICING ON ALL ENGINES*