10-7
TECHNICAL SPECIFICATIONS - ENGINE 300 2006
ENGINE
300 EXC / EXC SIX DAYS / XC-W
300 XC
Design
Liquid-cooled single-cylinder two-stroke engine
with KTM Twin Valve Control exhaust system and KTM Torque Chamber
Piston displacement
293.15 ccm
293.15 ccm
Bore / stroke
72 / 72 mm
72 / 72 mm
Fuel
unleaded fuel with at least RON 95, 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
needle bearing
Piston pin bearing
needle bearing
needle bearing
Piston
cast piston
cast piston
Piston ring
two plain compression rings
two plain compression rings
Dimension “X“
0.0 + 0.1 mm
0.0 + 0.1 mm
Ignition timing
1.9 mm BTDC
1.9 mm BTDC
Spark plug
NGK BR7 ES
NGK BR7 ES
Electrode gap
0.60 mm
0.60 mm
Dimension “Z“
48.5 mm
48.5 mm
TVC start open
5200 rpm
5200 rpm
TVC fully open
7000 rpm (red spring), 7500 rpm (yellow spring), 7900 rpm (green spring)
Primary drive
straight cut spur gears, primary ratio 26:72
Clutch
multiple disc clutch in oil bath, hydraulically operated (Motorex Brake Fluid DOT 5.1)
Transmission
5 speed, claw actuated
5 speed, claw actuated
Gear ratio
1st gear
14 : 30
14 : 28
2nd gear
17 : 26
15 : 24
3rd gear
19 : 23
18 : 24
4th gear
20 : 20
21 : 24
5th gear
29 : 23
22 : 21
Gear lubrication
0.7 liters Motorex Top Speed 4T 15W50
0.7 liters Motorex Top Speed 4T 15W50
Available chain sprockets
13t / 14t for chain 5/8 x 1/4"
13t / 14t for chain 5/8 x 1/4"
Coolant
1.2 litres, 50% anti freeze, 50% pure water, at least -25 °C
Ignition system
KOKUSAN 2K-3
KOKUSAN 2K-3
Generator output
12V / 110 W
12V / 110 W
Carburetor
flat-slide carburetor, carburetor setting see table flat-slide carburetor, carburetor setting see table
Air filter
wet foam type air filter insert
wet foam type air filter insert
(upper edge piston-
upper edge cylinder)
(height of the control flap)
BASIC CARBURETOR SETTING
250 SX/SXS
250 XC/XC-W
300 XC/XC-W
250/300 EXC SIX DAYS
250 EXC EU/AUS 6.6 KW
300 EXC EU/AUS 9.2 KW
Carburetor
Keihin PWK 36 S AG
Keihin PWK 36 S AG
Keihin PWK 36 S AG
Carburetor setting mark
FK0100
FK0080
3600B
Main jet
158 (155,160)
160 (162)
160 (162)
Idling jet
42 (40)
35
35
Starting jet
85
85
85
Jet needle
N1EF (N1EG/N1EE)
N8RF (N8RG)
N3CJ (N8RF/N8RG)
Needle position from top
III
250 - IV
300 - III
I
Throttle valve
6.5
7
7
Air adjustment screw open
1
1
3.5
Performance restrictor
–
–
slide stop 38
Summary of Contents for 125 SX 2010
Page 2: ...OWNERSMANUAL2010 250 SX 250 300 XC XC W EXC EXC SixDays ...
Page 3: ...OWNER S MANUAL 2010 125 SX 150 SX 250 SX Art no 3211480en ...
Page 91: ...TECHNICAL DATA SHOCK ABSORBER 89 Shock absorber oil p 95 SAE 2 5 ...
Page 93: ...91 ...
Page 222: ...119 ...
Page 223: ...WIRING DIAGRAM 120 ...
Page 226: ...WIRING DIAGRAM 123 ...
Page 304: ...1 2 3 4 7 12 Art No 3 206 088 E Repair manual KTM 250 300 ...
Page 306: ...bl bk 6 7 8 9 7 14 Art No 3 206 088 E Repair manual KTM 250 300 ...
Page 308: ...1 2 3 4 5 7 16 Art No 3 206 088 E Repair manual KTM 250 300 ...
Page 393: ...11 15 PERIODIC MAINTENANCE SCHEDULE 2010 250 SX ...
Page 394: ...11 16 Repair manual KTM 250 300 Art No 3 206 088 E ...
Page 396: ...11 18 Repair manual KTM 250 300 Art No 3 206 088 E ...
Page 397: ...11 19 ...
Page 409: ...EXC 250 300 2005 EXC SIX DAYS 250 300 05 06 12 11 ...
Page 413: ...EXC 250 300 2005 EXC SIX DAYS 250 300 05 06 12 15 ...
Page 414: ...EXC USA 250 2005 12 16 Art No 3 206 088 E Repair manual KTM 250 300 ...
Page 416: ...12 18 Repair manual KTM 250 300 Art No 3 206 088 E ...
Page 430: ...Repair manual KTM 250 300 Art No 3 206 088 E 12 32 250 EXC EXC Six Days EU AUS 2008 2009 ...
Page 431: ...12 33 250 300 XC USA 2008 250 CX W ZA 2008 2009 ...
Page 433: ...12 35 300 EXC E EXC E SixDays EU AUS 2008 2009 ...
Page 437: ...12 39 250 SX 2010 ...
Page 438: ...12 40 Repair manual KTM 250 300 Art No 3 206 088 E ...
Page 439: ...12 41 250 EXC EU 2010 ...
Page 440: ...12 42 Repair manual KTM 250 300 Art No 3 206 088 E ...
Page 441: ...12 43 250 300 EXC 2010 ...
Page 442: ...12 44 Repair manual KTM 250 300 Art No 3 206 088 E ...
Page 443: ...12 45 250 300 XC XC W 2010 ...
Page 444: ...12 46 Repair manual KTM 250 300 Art No 3 206 088 E ...
Page 445: ...REPAIRMANUAL2004 2010 2004 2005 DCC ...
Page 553: ...1 7 T 14031 Dismounting mounting tool ...
Page 559: ...2 6 Exploded view PDS 5018 SXS SMR 2005 2006 ...
Page 561: ...2 8 Exploded view PDS 5018 SXS 2007 ...
Page 739: ...1 7 T 14 030 Adaptor T 14 033 Assembling tool ...
Page 741: ...2 2 Repair manual WP Fork Closed Cartridge Art No 3 211 199 E Exploded view SXS 2005 ...
Page 746: ...2 7 Exploded view SXS 2006 ...
Page 751: ...2 12 Repair manual WP Fork Closed Cartridge Art No 3 211 199 E Exploded view SX 2007 ...
Page 756: ...2 17 Exploded view Fork SXS 2007 ...