KTM 60 SX - Technical Specifications - Engine 60;65 SX 2000

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Engine CR-60 CR-63
Design Liquid cooled single cylinder two-stroke engine with reed valve intake
Displacement 59,41 ccm 63,58 ccm
Bore/stroke 43,5 / 40 mm(1,71/1,57 in) 45 / 40 mm (1,77/1,57 in)
Compression ratio 9,1 : 1
Fuel SUPER fuel, research octane no 95, mixed with high grade two stroke oil
Oil/gasoline ratio 1 : 40 when using high grade two stroke oil (i.ex. Shell Advance Racing X),
when in doubt, please contact xour importer
Lubrication mixture lubrication
Crankshaft bearing 2 deep-groove ball bearing
Connecting rod bearing needle bearing
Piston pin bearing needle bearing
Piston rings 1 compression ring
Primary drive straight cut spur gears, 23:75 t
Transmission 6 speed, claw actuated
Gear ratio 1
st
gear 13 : 37
2
nd
gear 16 : 34
3
rd
gear 18 : 31
4
th
gear 21 : 30
5
th
gear 23 : 28
6
th
gear 24 : 26
Transmission oil 0,30 liter (0,0792 USgal) engine oil 10W40 (z B. Shell Advance Ultra 4)
Ignition system contactless controlled ignition (Selettra NW21)
Spark plug Champion C 55
Electrode gap 0,60 mm (0,0236 in)
Carburetor Mikuni VM 24
Coolant 0,55 liter (0,145 Usgal), mixture coolant : water = 2 : 1, at least -25° C (-13° F)
Air filter wet foam type air filter insert
TECHNICAL SPECIFICATIONS - ENGINE 60/65 SX 2000