KTM 125 EXC-E SIX DAYS - Manual (Page 53)

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TECHNICAL SPECIFICATIONS – ENGINE 125 EXC/EXC SIX DAYS, 200 XC/XC-W/EXC 2008
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ENGINE 125 EXC/EXC SIX DAYS 200 XC-W/EXC 200 XC
Design Liquid-cooled, single-cylinder, two-stroke engine with intake and exhaust control
Piston displacement 124.8 ccm 193 ccm
Bore / stroke 54 / 54.5 mm (2.126 / 2.145 in) 64 / 60 mm (2.52 / 2.362 in)
Fuel unleaded fuel with at least RON 95 (USA = Premium RON 91), mixed with high grade two stroke oil
Oil / gasoline ratio 1:60 when using high grade, two- stroke oil (Motorex Cross Power 2T).
When in doubt, please contact your importer
Crankshaft bearing 1 deep-groove ball bearing / 1 cylinder roller bearing
Connecting rod bearing needle bearing
Piston pin bearing needle bearing
Piston cast aluminum
Piston ring 2 half keystone rings two plain compression rings
Dimension „X“ 0,0 mm +0.10 mm
Ignition timing 1.4 mm (0.055 in) (16.5°) BTDC 1.6 mm (0.063 in) (17°) BTDC
Spark plug NGK BR9 ECMVX NGK BR 8 EG
Electrode gap 0.60 mm (0.023 in)
Dimension „Z“ 43.5 mm (1.68 in) 48 mm (1.9 in)
Primary drive straight cut spur gears, primary ratio 23:73
Clutch multiple disc clutch in oil bath, hydraulically operated (Motorex hydraulic fluid 75)
Transmission 6 speed, claw actuated
Gear ratio
1st gear
12 : 33 „1G33“ 13 : 33 „1G33“ 13 : 32 „1S32“
2nd gear „2S15“ 15 : 31 „2G31“ „2S15“ 15 : 31 „2G31“ „2S15“ 15 : 30 „2S30“
3rd gear „3S17H“ 17 : 28 „3S28H“ „3S17H“ 17 : 28 „3S28H“ „3S17H“ 17 : 28 „3S28H“
4th gear „4S19H“ 19 : 26 „4S26“ „4S19H“ 19 : 26 „4S26“ „4S19H“ 19 : 26 „4S26H“
5th gear „5S21“ 21 : 25 „5S25“ „5G17H“ 17 : 19 „5G19H“ „5S21“ 21 : 25 „5S25“
6th gear „6G20“ 20 : 20 „6G20“ „6G22H“ 22 : 20 „6E20H“ „6G22“ 22 : 23 „6S23“
Gear lubrication 0,7 liter Motorex Top Speed 4T 15W50
Available chain sprockets 13t / 14t for chain 5/8 x 1/4"
Coolant 1.2 litres, 50% anti freeze, 50% distilled water, at least -25 °C (-13 °F)
Ignition system KOKUSAN 2K-3
Generator output 12V / 110 W
Carburetor Keihin PWK 36S flat-slide carburetor, carburetor setting see table
Air-filter wet foam type air filter insert
(upper edge piston-
upper edge cylinder)
(height of the
control flap)