2006 KTM 250 SX-F 250 EXC RACING 400 EXC RACING 450 SX, XC, EXC RACING 525 SX, XC, EXC RACING, REPAIR MANUAL

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Filed Under (KTM) by admin on 05-05-2012

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Hot start lever (250 SX-F) If you pull the red hot start lever [1] during the starting procedure backward, a bore in the carburetor will be opened through which the engine may take in additional air. The result is a „lean” fuel-air mixture of the type needed for hot starts.
ENGLISH 7 OPERATION INSTRUMENTS » Headlamp switch (EXCUSA) In this model the headlamp is switched on with the pull switch [1] . Flasher switch The flasher switch is a separate unit and is mounted on the left portion of the handlebar. The wire harness is designed in a way that whenever you want to use your bike off-road, you can dismount the entire turn indicator system without affecting the function of the remaining electrical system. Flasher left Flasher right Starter button (EXC) Pushing the black starter button [2] will actuate the E-starter. Emergency OFF switch (EXC Australia) The red emergency-OFF switch [3] is arranged adjacent to the throttle grip. In this position, the E-starter is operational and the engine can be started. In this position, the E-starter and ignition circuits are interrupted.The E-starter cannot be actuated, and the engine will not start, not even if you attempt to start it with the kickstarter. Pushing the black starter button [4] will actuate the E-starter. 2 3 4 5 6 Indicator lamps The green control lamp [5] flashes in the same rhythm as the flashing indicator when the indicator is working. The blue control lamp [6] lights up when the high beam is on

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2007 KTM 250 SX-F 450 SX-F INSTALLATION MANUAL

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Filed Under (KTM) by admin on 06-02-2012

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Clutch lever The clutch lever [1] is located on the left side of the handlebar. The adjusting screw [A] is used to change the original position of the clutch lever (see maintenance work on chassis and engine). The clutch is hydraulically actuated and adjusts itself automatically. Hot start lever If you pull the red hot start lever [2] during the starting procedure backward, a bore in the carburetor will be opened through which the engine may take in additional air. The result is a “lean” fuel-air mixture of the type needed for hot starts. 2 1 A Fuel tap OFF In this position the fuel tap is closed. No fuel can flow to the carburetor. ON During operation the twist grip must be turned to ON. This means that the fuel can flow to the carburetor. OPERATION INSTRUMENTS »
Starter button (450 SX-F) Pushing the black starter button [3] will actuate the E-starter. ENGLISH 6 Hand brake lever The hand brake lever [1] is mounted on the handlebars on the right and actuates the front wheel brake. The adjusting screw [A] can be used to change the basic position of the hand brake lever (see “Maintenance”). Short circuit button The short circuit button [2] turns off the engine. When pressing this button, the ignition circuit is short-circuited. Filler cap To open the filler cap: Turn the filler cap 45 ° counter-clockwise. To close the filler cap: Put the filler cap on and turn it 45 ° clockwise. OFF ON 1 A 2 3 ENGLISH 7 OPERATION INSTRUMENTS » Choke If you pull the choke button [1] out as far as possible, a bore in the carburetor will be opened through which the engine may take in additional fuel. The result is a “fat” fuel-air mixture of the type needed for cold starts. To deactivate the choke, push the choke button back into its basic position. Shift lever The shift lever is mounted on the left side of the engine. The position of the gears is shown in the illustration. Neutral is located between first and second gear. Kickstarter (250 SX-F) The kickstarter is mounted on the right side of the engine. Its upper part can be swivelled. Foot brake pedal The foot brake pedal is located in front of the right footrest. Its basic position can be adjusted to your seat position (see maintenance work). Plug in stand The plug-in stand can be attached to the wheel spindle on the left side of the motorcycle

Dellorto Motorcycle Carburetor Tuning Guide INSTALLATION

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Filed Under (Tips and Review) by admin on 01-02-2012

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The main Carburetor functions are: • To form a proper homogeneous inflammable mixture of fuel and air • To supply the engine with varying amounts of this mixture The fuel-air mixture is formed through vapourising and by uniformly spraying fuel into the airstream or at least by atomising it into very small droplets. Atomization takes place in this way: liquid fuel from the atomiser nozzle meets the flow of air which carries it, broken into very fine droplets, to the combustion chamber. We have spoken of a “proper” mixture because the mixture strength, defined as the amount of air in weight mixed with a fuel unit of weight, must have a precise value, ie it must be within the limits of inflammability so that the mixture can be easily ignited by the spark in the combustion chamber. lnflammmability limits for commercial petrol are: 7: 1 (rich limit ie. 7 kgs of air and 1 kg of petrol) , down to 20: 1 (lean limit ie. 20 kgs of air and 1 kg of petrol) . To obtain optimum combustion between these inflammability limits, a value very close to the so- called stoiciometric value is needed ie. about 14.5 – 15.0 kgs of air to 1 kg of petrol. A stoiciometric mixture ratio is one which ensures complete combustion of fuel with only the formation of water and carbon dioxide. The stoiciometric mixture ratio depends on the kind of fuel used, so if the fuel is changed, this fuel- air ratio will also change (see SECTION 5.1 ) .

SUZUKI SV1000S EMISSION CONTROL INFORMATION/ SERVICE MANUAL

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Filed Under (Suzuki) by admin on 26-02-2011

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EMISSION CONTROL SYSTEMS FUEL INJECTION SYSTEM SV1000S motorcycles are equipped with a fuel injection system for emission level control. This fuel injection system is precision designed, manufactured and adjusted to comply with the applicable emission limits. BEFORE-PRESSURIZED FUEL PRESSURIZED FUEL * I’ RELIEVED FUEL ~%~~~ Ift 0 0 9 0 0 0 EMISSION CONTROL INFORMATION 9-3 CRANKCASE EMISSION CONTROL SYSTEM The engine is equipped with a PCV system . Blow-by gas in the engine is constantly drawn into the crankcase, which is returned to the combustion chamber through the breather hose, air cleaner and throttle body . C * FRESH AIR FUEL/AIR MIXTURE 411111110 BLOW-BY GAS 9-4 EMISSION CONTROL INFORMATION EXHAUST EMISSION CONTROL SYSTEM (PAIR SYSTEM) The exhaust emission control system is composed of the PAIR system and THREE-WAY CATALYST system. The fresh air is drawn into the exhaust port with the PAIR solenoid valve and PAIR reed valve . The PAIR solenoid valve is operated by the ECM, and the fresh air flow is controlled according to the TPS, ECTS, IATS, ZAPS and CKPS. H02 sensor (Except for USA) I 0 0 0 0 0 NOISE EMISSION CONTROL SYSTEM TAMPERING WITH THE NOISE CONTROL SYSTEM PROHIBITED : Federal law prohibits the following acts or the causing thereof: 1. The removal or rendering inoperative by any person, other than for purposes of maintenance, repair or replacement, of any device or element of design incorporated into any new vehicle for the purpose of noise control prior to its sale or delivery to the ultimate purchaser or while it is in use, or 2. The use of the vehicle after such device or element of design has been removed or rendered inoperative by any person. AMONG THOSE ACTS PRESUMED TO CONSTITUTE TAMPERING ARE THE ACTS LISTED BELOW : • * Removing or puncturing the muffler, baffles, header pipes, screen type spark arrester (if equipped) or any other component which conducts exhaust gases . • * Removing or puncturing the air cleaner case, air cleaner cover, baffles or any other component which conducts intake air . • * Replacing the exhaust system or muffler with a system or muffler not marked with the same model specific code as the code listed on the Motorcycle Noise Emission Control Information label . EVAPORATIVE EMISSION CONTROL SYSTEM (FOR E-33)

2008 KTM 125 SX, 144 SX, 250 SX OWNER'S MANUAL

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Filed Under (KTM) by admin on 25-11-2010

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Short circuit button (SX) The short circuit button [1] turns off the engine. When pressing this button, the ignition circuit is short-circuited. Filler cap To open it: Press the release button [2] and turn the tank cap in a counterclockwise direction. To close it: Put the tank cap back on and turn in a clockwise direction until the release button snaps into place. Install tank breather hose [3] without kinks. Fuel tap OFF In this position the fuel tap is closed. No fuel can flow to the carburetor. ON During operation the twist grip must be turned to ON. This means that the fuel can flow to the carburetor. Choke knob When pulling the choke knob [4] fully towards the top, a bore is opened in the carburetor. Through this bore the engine can take in additional fuel. This results in a rich fuel-air mixture, that is needed for a cold start. When pressing the choke knob downward in the carburetor, the bore is closed again. ON OFF 4 1 2 3 ENGLISH 7 Shift lever The shift lever is mounted on the left side of the engine. The position of the gears is shown in the illustration. Neutral, or the idle speed, is located between first and second gear. OPERATION INSTRUMENTS » Kickstarter The kickstarter is mounted on the left side of the engine. Its upper part can be swivelled. Foot brake pedal The foot brake pedal is disposed in front of the right foot rest. Its basic position can be adjusted to your seat position (see maintenance work). 1 N 2,3,4,5, (6) 2 3 1 Compression damping of fork Hydraulic compression damping determines the reaction when the fork is compressed. The degree of compression can be adjusted with adjusting screws at the bottom of the fork legs. Turn the screw [1] clockwise to increase damping, turn it counterclockwise to reduce damping during compression. STANDARD ADJUSTMENT: -turn adjusting screw clockwise as far as it will go -turn it back by as many clicks as are specified for the relevant type of fork Typ WP Suspension 14187D01 . . . . .14 clicks Typ WP Suspension 14187D03 . . . . .14 clicks

2004 KTM 950 ADVENTURE REPAIR MANUAL

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Filed Under (KTM) by admin on 23-11-2010

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Intake system Fresh air is drawn into the filter box through the intake snorkel 1 , past the carburetors 2 and through the air filter 3 . The cleaned air is conducted to the combustion chamber through the carburetors and intake ports. 1 2 2 3 2-4 Repair manual KTM LC8 Art.-Nr . 3.206.016-E Secondary air system The secondary air system supplies fresh air to the emissions in the exhaust port, resulting in the afterburning (oxidation) of the emissions. A line leads from the filter box 1 to the control valve 2 which opens as soon as the throttle valves 3 are opened. The line continues to the reed valves 4 in the cylinder heads which are actuated by the pressure pulsation in the exhaust system. As a result, cleansed fresh air arrives in the exhaust port. The oxygen content in the air and the high exhaust gas temperature cause the emissions to oxidize. If the throttle valves are closed and the engine goes into an overrun condition, the underpressure in the intake port will rise and the control valve will close. This prevents exhaust backfire (combustion of the unburned fuel/air mixture). 1 2 3 3 4 4 4 2-5 Closed thermostat The thermostat is closed if the temperature of the cooling liquid drops below 75°C. The water pump 1 pumps the cooling liquid through the cylinder and cylinder heads 2 and the thermostat 2 . Open thermostat The thermostat 3 opens at 75°C. The water pump 1 pumps the cooling liquid through the cylinder and cylinder heads 2 , the aluminum cooler 4 and the thermostat. The pressure in the cooling system (max. 1.4 bar) is regulated by a valve in the radiator cap 5 . The cooling liquid level in the compensating tank 6 must be between the MIN and MAX marks when the engine is cold. The fan 7 switches on at 102°C.

2008 KTM 50 SX JUNIOR 50 SX OWNER'S MANUAL

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Filed Under (KTM) by admin on 22-10-2010

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Choke Dell’Orto carburetor PHVA 14 DS (50SXJunior) Choke lever [1] is mounted to the right side of the carburetor. If you move the choke lever up to the stop, a hole is opened in the carburetor through which the engine can draw in additional fuel. This results in a “rich” fuel-air mixture required for a cold start. Moving the choke lever back closes the hole in the carburetor again. Choke Dell’Orto carburetor PHBG 19 BS (50 SX) Choke control knob [2] is mounted to the left side of the carburetor. If you pull the choke control knob up to the stop and turn it 90º, a hole is opened in the carburetor through which the engine can draw additional fuel. This results in a “rich” fuel-air mixture required for a cold start. Turning back the choke control knob returns the knob to the starting position and closes the hole in the carburetor again. Kickstarter The kickstarter is mounted on the right side of the engine. Its upper part can be swivelled. Foot brake lever The foot brake lever is located in front of the right footrest. The basic position can be adjusted to the seating position (see maintenance work). Side stand (50 SXJunior) Use your foot to swing the side stand forwards to the stop. Make sure it rests securely on solid ground.

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