English – KTM 125 EXC-E SIX DAYS User Manual
Page 59
![background image](/manuals/161213/59/background.png)
ENGLISH
58
TECHNICAL SPECIFICATIONS – ENGINE 300 XC/XC-W/EXC-E/EXC-E SIX DAYS 2008
»
ENGINE
300 XC
300 XC-W
300 EXC-E
300 EXC-E SIX DAYS
Design
Liquid-cooled single-cylinder two-stroke engine
with KTM Twin Valve Control exhaust system and KTM Torque Chamber
Piston displacement
293 ccm
Bore / stroke
72 / 72 mm (2.84 / 2.84 in)
Fuel
unleaded fuel with at least RON 95 (USA = Premium RON 91), mixed with high grade two stroke oil (Motorex Cross Power 2T)
Oil / gasoline ratio
1:60 when using high grade, two- stroke oil.
When in doubt, please contact your importer or use 1:40 mix ratio to be on the safe side
Crankshaft bearing
1 deep-groove ball bearing / 1 cylinder roller bearing
Connecting rod bearing
needle bearing
Piston pin bearing
needle bearing
Piston
cast aluminium
Piston ring
two plain compression rings
Dimension „X“
0 + 0,1 mm (0 + 0.004 in)
Ignition timing
1,9 mm (0.074 in) BTDC
Spark plug
NGK BR7 ES
Electrode gap
0,60 mm
Dimension „Z“
47,5 mm (1.87 in)
TVC start open
5500/min
TVC fully open
7300/min (red spring), 7800/min (yellow spring), 8300/min (green spring)
Primary drive
straight cut spur gears, primary ratio 26:72
Clutch
multiple disc clutch in oil bath, hydraulically operated (Brake fluid DOT 5.1)
Transmission
5 speed, claw actuated
Gear ratio
1st gear
14 : 30
14 : 30
2nd gear
16 : 26
17 : 26
3rd gear
18 : 24
19 : 23
4th gear
21 : 24
20 : 20
5th gear
22 : 21
29 : 23
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 E
Generator output
12V / 110 W
Starting aid
kickstarter
kickstarter and electric starter
Carburator
Keihin PWK 36 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