Motorcycle can be kickstarted with the transmission in gear by disengaging the clutch before operating the kickstarter. Check the engine oil, transmission oil and coolant levels before starting the engine (page 21, 23, 24). Cold Engine Starting: 1. Turn the fuel valve ON. Shift the transmission into neutral. If the temperature is 35°C (95°F) or below, pull the choke knob fully out. If the temperature is below 0°C (32°F), open the throttle two or three times.
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(The engine requires a richer mixture for starting in cold weather. When the throttle is so opened, the accelerator pump will feed extra fuel to the cylinder, thereby facilitating starting in cold weather.) 5. With the throttle closed, operate the kickstarter starting from the top of the kickstarter stroke, kick through to the bottom with a rapid, continuous motion. (Do not open the throttle, As the carburetor is equipped with an accelerator pump, excessive fuel will be charged into the engine, and the spark plug will be fouled if the throttle is opened and closed repeatedly. Excessive fuel in the engine makes kick- starting difficult.) 6.
About a minute after the engine starts, push the choke knob back all the way to fully OFF. If idling is unstable, open the throttle slightly. (1) FUEL FILL CAP (2) BREATHER TUBE WARNING (1) FUEL VALVE (2) CHOKE KNOB Warm Engine Starting: 1. Turn the fuel valve ON.
Shift the transmission into neutral. Pull the hot start lever and kick-start the engine. (Do not open the throttle.) 4. As soon as the engine starts, release the hot start lever 1. Shift the transmission into neutral. Pull the hot start lever and kick-start the engine. (Do not open the throttle.) 3.
As soon as the engine starts, release the hot start lever. Starting the engine excessively charged with fuel by throttle blipping or other reasons: 1. Shift the transmission into neutral.
With the throttle fully opened, repeat kickstarter operation approximately 10 times very slowly to discharge excessive fuel from the engine. Pull the hot start lever and kick-start the engine (Do not open the throttle.) 4. As soon as the engine starts, release the hot start lever. Stopping The Engine 1. Shift the transmission into neutral. Turn the fuel valve OFF.
Lightly open the throttle 2 – 3 times, and then close it. Depress and hold the engine stop button until the engine stops completely.
NOTE: • Failure to close the fuel valve may cause the carburetor to overflow. (1) THROTTLE GRIP (2) ENGINE STOP BUTTON Break-In Procedure Help assure your CRF’s future reliability and performance by paying extra attention to how you ride during the first operating day or 15 miles (25 km). During this period, avoid full-throttle starts and rapid acceleration. This same procedure should be followed each time when: • Piston is replaced • Rings are replaced • Cylinder is replaced • Crankshaft or crank bearing are replaced Incoming search terms: • • • • • • • • • •. Carburetor adjustment Basic information about the original carburetor setting The original carburetor setting was adapted for an altitude of approx.
500 meters (1600 ft.) above sea level, and the ambient temperature of approx. 20°C (68°F), mainly for off-road use and central European premium-grade fuel (ROZ 95). Mixing ratio 2-stroke motor oil: super fuel 1:40.
Basic information of changing the carburetor setting Always start out from the original carburetor setting. Essential requirements are a clean air filter system, air-tight exhaust system and an intact carburetor. Experience has shown that adjusting the main jet, the idling jet and the jet needle is sufficient and that changes of other parts of the carburetor will not greatly affect engine performance. RULE OF THUMB: high altitude or high temperatures choose leaner carburetor adjustment low altitude or low temperatures choose richer carburetor adjustment * WARNING * -ONLYUSE PREMIUM – GRADE GASOLINE ROZ 95 MIXED WITH HIGH – GRADE TWO – STROKE ENGINE OIL. OTHER TYPES OF GASOLINE CAN CAUSE ENGINE FAILURE, AND USE OF SAME WILL VOID YOUR WARRANTY.
-ONLYUSE HIGH – GRADE 2- STROKE ENGINE OIL OF KNOWN BRANDS ( I. E.SHELL ADVANCE RACING X). -NOTENOUGH OIL OR LOW – GRADE OILCAN CAUSE EROSION OF THE PISTON.
USING TOO MUCH OIL, THE ENGINE CAN START SMOKING AND FOUL THE SPARKPLUG. -INTHE CASE OFA LEANER ADJUSTMENT OF THE CARBURETOR PROCEED CAUTIOUSLY. ALWAYSREDUCETHEJETSIZEINSTEPSOFONENUMBERTOAVOID OVERHEATING AND PISTON SEIZURE. NOTE: If despite a changed adjustment the engine does not run properly, look for mechanical faults and check the ignition system.
Basic information on carburetor wear As a result of engine vibrations, throttle valve, jet needle, and needle jet are subjected to increased wear. This wear may cause carburetor malfunction (e.g., overly rich mixture). Therefore, these parts should be replaced after 1000 hours of using. Idling range – A Operation with closed throttle valve.
This range is influenced by the idle adjusting screw 1. Only make adjustments when the engine is hot. The idling speed can be changed by turning the idle adjusting screw. Turning it clockwise produces a higher idling speed and turning the screw counterclockwise produces a lower idling speed. Opening up – B Engine behavior when the throttle opens.
The idle jet and the shape of the throttle valve influences this range. If, despite good idling-speed and part-throttle setting, the engine sputters and smokes when the throttle is fully opened and develops its full power not smoothly but suddenly at high engine speeds, the mixture to the carburetor will be too rich, the fuel level too high or the float needle is leaking. Part-throttle range – C Operation with partly open throttle valve. This range is only influenced by the jet needle (shape and position). The optimum part-throttle setting is controlled by the idling setting in the lower range and by the main jet in the upper range. If the engine runs on a four-stroke cycle or with reduced power when it is accelerated with the throttle partly open, the jet needle must be lowered by one notch.
If then the engine pings, especially when accelerating under full power at maximum engine revs, the jet needle should be raised. If these faults should occur at the lower end of the part throttle range at a four-stroke running, make the idling range leaner; if the engine pings, adjust the idling range richer Incoming search terms: • • • • • • • • • •. Protect the rear portion of the front fender with a towel or other thick, soft cloth.
Remove the OEM engine guards if they have been installed on the motorcycle. Or, if OEM engine guards are not present, Remove the two lower engine mount bolts.
These bolts are located on the inside of the right and left frame rails, and will be replaced with the longer 10mm bolts included with your new engine guard. Position the engine guard so that the lower brackets point towards the rear of the motorcycle, and slide the engine guard into the space between the front wheel and the frame. Raise the guard until the upper V” mount is located between the frame rails. Note: Your new Barons engine guard is equipped with a unique upper V” mount clamp.
This clamp becomes a cradle for the upper frame supports when it is inserted between the frame rails. Download Architectural Portfolio Pdf Example. Rotate the engine guard until the lower mounting brackets are aligned with the lower engine mount holes.
Due to production line tolerances in both the motorcycle and the engine guard, the mounting brackets may be too wide or too narrow for the frame. If this is the case, remove the guard from the motorcycle. Place the guard on a flat, firm surface. Insert a towel or other protective material between the guard and the surface. Using a rubber mallet or a block of wood and a hammer, tap the lower brackets until they are correctly spaced. Insert the new 10mm bolts and washers, and finger tighten only.
Tighten each 3/8″ bolt in the upper clamp evenly by using a 9/16″ socket or a wrench. Snug down each bolt until it draws the front of the upper clamp into contact with the upper frame supports, then adjust these bolts accordingly to achieve equal spacing between each floorboard and the lower engine guard rail. Tighten the jam nuts against the washers to lock each bolt in place. It is critical that you do not over-tighten these bolts. Tighten all remaining nuts and bolts securely. If necessary, slightly loosen rear brake line banjo bolt and rotate banjo fitting for clearance with engine guard. Tighten banjo bolt and check brake for proper operation.
You must re-tighten all four of the engine guard mounting bolts after 100 miles of riding! Care & Cleaning: Engine guards take the full brunt of the worst of what the weather in your area has to offer, making it critical that proper and complete cleaning take place on a weekly basis, or corrosion will occur which is not covered by warranty! Proper cleaning procedure would be to use a product like Simple Green, LOC, Salt-Away or similar.
Mix a strong batch and apply it liberally with a soft towel or soft nylon brush to the entire Incoming search terms: • • • • • •. During Break-In At 50 Miles (80 Kilometers): 1- Change engine oil and filter. 2- Inspect for fuel and oil leaks. 3- Inspect air cleaner element and service as required. 4- Check tightness of exterior fasteners, except head bolts.
Engine Maintenance at 500 Miles (800 Kilometers): 1- Change engine oil and filter. 2- Inspect for fuel and oil leaks.
3- Inspect air cleaner element and service as required. 4- Check tightness of exterior fasteners, except head bolts. 5- Check operation of enrichment device and throttle controls. 6- Check engine idle speed. 7- Check tightness of engine mounts.
Regular Service Intervals Regular lubrication and maintenance will help keep your new S&S engine operating at peak performance. The following table presents the required service schedule for normal operating conditions. Failure to complete the required engine maintenance can result in engine damage and an increase in emissions. Please refer to the motorcycle owner’s manual for any additional required chassis maintenance. Engine Service Intervals Item Interval Engine Oil & Filter Change at 50, 500, 2,500 miles (80, 800, 4,000 kilometers), every 2,500 miles (4,000 kilometers) thereafter1 Air Cleaner Element Inspect at 50 and 500 miles (80 and 800 kilometers), every 2,500 miles (4,000 kilometers) thereafter2 Tappet Oil Screen Inspect every 2,500 miles (4,000 kilometers).
Replace every 5,000 miles (8,000 kilometers). Petcock, Lines, & Fittings, Vacuum Lines Inspect at 50 and 500 miles (80 and 800 kilometers), every 2,500 miles (4,000 kilometers) thereafter. Fuel Tank Filter Screen & In-Line Fuel Filter (If used) Inspect every 5,000 miles (8,000 kilometers). Engine Idle Speed Adjust as required. Operation of Throttle & Enrichment Device ControlsInspect at 500 miles (800 kilometers) and every 2,500 miles (4,000 kilometers) thereafter. Spark Plugs Inspect every 5,000 miles (8,000 kilometers). Replace every 10,000 miles (16,000 kilometers) or as needed.
Ignition Timing Inspect every 5,000 miles (8,000 kilometers). Engine Mounts Inspect at 500 miles (800 kilometers) and every 5,000 miles (8,000 kilometers) thereafter. External Fasteners Except Engine Head Bolts Re-torque at 500 miles (800 kilometers) and every 5,000 miles (8,000 kilometers) thereafter. 1- S&S recommends that petroleum-based oil not specifically formulated for motorcycles should be changed every 1,000 miles (1,600 kilometers) after the break-in period.
2- Replace more frequently if required or if engine is operated in a dusty environment. Incoming search terms: • • • • • • • • • •. Chassis number The chassis number is stamped on the right side of the steering head tube.
Enter this number in the field on page no 1. Engine number, engine type The engine number and the engine type are stamped into the left side of the engine below the engine sprocket.
Enter this number on page 1. Clutch lever The clutch lever [1] is located on the left side of the handlebars. 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. Hand brake lever The hand brake lever [2] is mounted on the handlebars on the right and actuates the front wheel brake. The adjusting screw [B] can be used to change the basic position of the hand brake lever (see maintenance work on chassis and engine). OPERATION INSTRUMENTS » 1 2 A B ENGLISH 6 OPERATION INSTRUMENTS » TEST All of the display segments briefly light up for the display function test.
WS (wheel size) The display changes and the circumference of the front wheel is briefly displayed in millimeters (2205 mm corresponds to a front wheel circumference of 21″ with production tires). Afterwards the display will return to the previous display mode.
Electronic speedometer The display in the electronic speedometer is activated as soon as you press a button on the speedometer or an impulse is received from the wheel sensor. The display lights up when the engine is running. The display is cleared if no button is pressed for 1 minute or no impulse is received from the wheel sensor.
The button is used to change between display modes. The + and – buttons are used to control various functions. SPEED display mode / H (service hours) Only the SPEED / H and SPEED / ODO display modes are activated in the condition at delivery. SPEED/H is displayed whenever the display is activated and the front wheel is not turning.
It automatically changes to the SPEED/ODO display mode as soon as the front wheel starts turning. SPEED displays the speed. H displays the engine’s service hours.
The service hour counter starts to count as soon as you start the engine. The displayed figure cannot be changed. Service intervals are indicated in service hours for some KTM offroad motorcycles, making the service hour counter a very practical function.
SPEED / ODO display mode (odometer) The SPEED/ODO mode displays the speed and the total distance traveled. The display automatically changes to the SPEED/H display mode when the front wheel stops turning. + button no function – button no function briefly press buttonchanges to the next display mode hold button 3 secs. Changes to the next display mode The electronic speedometer has a number of display modes (functions) that you can also activate (reveal) (see: Activating and deactivating display modes). ENGLISH 7 OPERATION INSTRUMENTS » SPEED / LAP (lap time) display mode You can use the manual stop watch to stop and store up to 10 lap times, which you can view in the LAP/LAP display mode (see below).
LAP displays the lap times in hours, minutes and seconds. + button Starts and stops the stop watch, lap time is not reset to 0 – button Stops the stop watch, stores the lap time and restarts the stop watch again. The time is reset to 0. A total of 10 lap times can be stored. If the lap time continues to run after you press the – button, all 10 memory locations are occupied.To clear all of the stored lap times, hold the button for 3 seconds in the SPEED/LAP mode.Up to 10 lap times can be stored in this way. Briefly press buttonChanges to the next display mode.If no lap time is stored or the motorcycle is driving, the LAP/LAP mode will be skipped. Hold button 3 secs.
Clears all LAP figures SPEED / CLK (time) display mode CLK displays the time in hours, minutes and seconds. + button no function – button no function briefly press buttonchanges to the next display mode hold button 3 secs. Set the clock menu To set the clock, see „Setting the clock”. Activating and deactivating display modes In the display mode SPEED/H, press and hold the button for 3 seconds to access the SETUP menu. The active functions will be displayed. The blinking function can be activated by pressing the + button and deactivated by pressing the – button.
Press and hold the button 3 seconds to store the settings. If no button is pressed for 20 seconds, the setting will be stored automatically and the display will return to the SPEED/H mode. + button activates the blinking display – button deactivates the blinking display briefly press buttonchanges to the next display without changing any settings hold button 3 secs. Starts the SETUP stores the settings and changes to the SPEED/H mode Incoming search terms: • • • • • • • • • •.
Fit the stand using the M8x18 screw to fasten it and the spring provided (photo 1 6). We suggest you to remove the stand during competitions as it could be dangerous and bruising. 18- Fit the gear lever l~hoto 171. 19- Fill the fuel tank (See section 4.13). 20- Check the engine oil level (See section 4.3). INTRODUCTION Always ensure that the motorcycle has been efficiently serviced and check it over before riding it. Take your motorcycle to an authorised POIJNI MOTOR1 dealer for all maior servicing and repair.
Because of the manufacturer’s policy OF continuous development, and because of constant innovations in technology, your motorcycle may differ in some details from that described in the illustrations and text in this manual. Original POLlNl MOTOR1 spare parts are always made from the same materials and in the same way as the parts originally fitted to your minicross motorcycle. Always insist on original POIJNI MOTOR1 spore parts. Their use ensures a longer life and improved efficiency for your motorcycle. STARTING THE ENGINE FOR THE FIRST TIME Always check over your motorcycle thoroughly before starting the engine. To start the engine for the first time, as instructed below.
1 – Turn the fuel tap located under the fuel tank to #ON” position (photo 18) Run your new motorcycle in as instructed How to ensure that the engine and transmission bed in correctly and to ensure continuous reliability in Future. The first time yw ride your new motorcycle, ride for about two hours at low engine speeds to ensure that it runs in correctly. Also respect the following precautions.
2- Once the engine starts, leave it idle until it warms up to normal temperature. If you switch the engine off for a short time, wait for it to cool down completely before you re-start it. – 3- During the running in period, always ride at constant 2- Before starting the engine put the gear in neutral position speeds. AVOID RAPID ACCELERATION. (photo 19, gear N).
4- Even when riding at low engine speeds, avoid extended A WARNING! IF the gear position is not neutral the bike could move when started.
3- If the engine is cold, lift the choke lever on the carburettor (photo 20). Lower the starter lever again as won as the engine starts to warm up. 4- Leove the throttle closed. Pivot the kick-start lever out wards and push energetically downwards with your foot to start the engine. 5- Return the kick-start lever to its rest position. Leave the engine idle for a few minutes to warm it up.
Check that the engine stop button stops the engine effectively before yw begin riding the motorcycle. Difficult sections of road or Lck that could cause the engine to become very hot. 5- Once you have run in your motorcycle following all these instructions, take it to a Polini Motori dealer for its post- running-in service.
Apart from a change of spark plug and engine oil, this service also includes the disassembly Incoming search terms: • • • • • • • • • •. GENERAL RULES 1.2.1. BASIC SAFETY RULES CARBON MONOXIDE When an operation must be performed with the engine running, position the motorcycle outdoors in a well-ventilated area. Never run the engine in an enclosed place. Use an exhaust emission extraction system when working indoors. DANGER Exhaust gases contain carbon monoxide, a poisonous gas which, if inhaled, may cause loss of consciousness or even death. FUEL DANGER The fuel used to operate engines is highly flammable and becomes explosive under particular conditions.
Refueling and maintenance operations should be carried out in a well-ventilated area, with the engine off. Do not smoke when refueling or in the proximity of sources of fuel vapors. Avoid contact with bare flames, sources of sparks and any other source which may ignite fuel or lead to explosion. DO NOT DISPOSE OF FUEL IN THE ENVIRONMENT. KEEP AWAY FROM CHILDREN.
HOT COMPONENT PARTS The engine and exhaust component parts become hot when the engine is running and will stay hot for some time after the engine has been stopped. Wear insulating gloves before handling these components or allow for the engine and the exhaust system to cool down before proceeding. USED GEARBOX AND FORK FLUIDS DANGER Wear latex gloves when servicing.
Prolonged or repeated contact with gear fluid may cause severe skin damage. Wash your hands thoroughly after handling. Dispose of it through the nearest waste oil reclamation firm or through the supplier.
Wear latex gloves when servicing. DO NOT DISPOSE OF FLUID IN THE ENVIRONMENT.
KEEP AWAY FROM CHILDREN. BRAKE FLUID WARNING Brake fluid can damage plastic, rubber or painted parts. When servicing the brake system, protect all such parts with a clean cloth. Always wear safety glasses when servicing the brake system. Brake fluid is highly irritant.
Avoid contact with the eyes. In case of contact with the eyes, rinse abundantly with cool, clean water and immediately seek medical attention. KEEP AWAY FROM CHILDREN Incoming search terms: •. Repair manual KTM 250 / 300 / 380 Art No 3206004 -E 2-2C main jet jet needle jet needle air control screw idle adjusting screw idle jet throttle valve Idling range A Operation with closed throttle valve. This range is influenced by the position of the air control screw 1 and the idle adjusting screw 2. Only make adjustments when the engine is hot.
To this end, slightly increase the idling speed of the engine by means of the idle adjusting screw. Turning it clockwise produces a higher idling speed and turning the screw counterclockwise produces a lower idling speed. Create a round and stable engine speed using the air control screw (basic position of the air control screw = open by 1.5 turns). Then adjust to the normal idling speed by means of the idle adjusting screw.
Opening up B Engine behavior when the throttle opens. The idle jet and the shape of the throttle valve influences this range. If, despite good idling-speed and part-throttle setting, the engine sputters and smokes when the throttle is fully opened and develops its full power not smoothly but suddenly at high engine speeds, the mixture to the carburetor will be too rich, the fuel level too high or the float needle is leaking. Part-throttle range C Operation with partly open throttle valve.
This range is only influenced by the jet needle (shape and position). The optimum part-throttle setting is controlled by the idling setting in the lower range and by the main jet in the upper range. If the engine runs on a four-stroke cycle or with reduced power when it is accelerated with the throttle partly open, the jet needle must be lowered by one notch. If then the engine pings, especially when accelerating under full power at maximum engine revs, the jet needle should be raised. If these faults should occur at the lower end of the part throttle range at a four-stroke running, make the idling range leaner; if the engine pings, adjust the idling range richer. Full throttle range D Operation with the throttle fully open (flat out). This range is influenced by the main jet and the jet needle.
If the porcelain of the new spark plug is found to have a very bright or white coating or if the engine rings, after a short distance of riding flat out, a larger main jet is required. If the porcelain is dark brown or black with soot the main jet must be replaced by a smaller one. Mixture too rich: too much fuel in proportion to air mixture too lean: not enough fuel in proportion to air 1 2 OPERATING RANGES OF THE CARBURETOR 2-3C Carburetor adjustment Basic information on the original carburetor setting The original carburetor setting was adapted for an altitude of approx. 500 meters (1600 ft.) above sea level, and the ambient temperature of approx.
20°C (68°F), mainly for off-road use and central European premium-grade fuel (ROZ 95 MOZ). Mixing ratio 2-stroke motor oil: super fuel 1:40 – 1:60. Basic information on a change of the carburetor setting Always start out from the original carburetor setting. Essential requirements are a clean air filter system, air-tight exhaust system and an intact carburetor.
Experience has shown that adjusting the main jet, the idling jet and the jet needle is sufficient and that changes of other parts of the carburetor will not greatly affect engine performance. RULE OF THUMB: Incoming search terms: • • • • • • • • • •. Always follow the proper starting procedure described below. Your motorcycle can be kickstarted wirh the transmission in gear by pulling in the clutch lever before operating the kickstarter.
Preparation Make sure that the transmission is in neutral. Turn the fuel valve ON. Fuel Valve Starting Procedure Always follow the proper starting procedure described as follow. Warm up the engine; don’t operate the throttle. About 15 seconds after the engine startes, push the choke knob back all the way to fully OFF. If idling is unstable, open the throttle slightly. Extended use of the choke may impair piston and cylinder wall lubrication and damage the engine.
High Air Temperature 35°C (95°F) or above 1. Do not use the choke. Keep the throttle fully closed. Start the engine following step 3 under Normal Air Temperature.
Low Air Temperature 10°C (50°) or below 1. Follow steps 1-4 under Normal Air Temperature. Continue warming up the engine until it runs smoothly and responds to the throttle when the choke knob is pushed back all the way to fully OFF. Extended use of the choke may impair piston and cylinder wall lubrication and damage the engine. Hot Engine Starting 1. Pull the hot start lever (3) and start the engine following step 3 under Normal Air Temperature. As soon as the engine starts, release the hot start lever.
NOTICE NOTICE Basic Operating Instructions 15 (1) fuel valve The three-way fuel valve is used to control the flow of fuel from the fuel tank to the carburetor. ON -Turning the fuel valve ON before attempting to start the engine allows fuel to flow from the fuel tank to the carburetor. OFF -Turning the fuel valve OFF after stopping the engine prevents the flow of fuel from the fuel tank to the carburetor.
RES -Turning the fuel valve to RES allows fuel to flow from the reserve fuel supply to the carburetor. (1) fuel valve (2) choke knob Check the engine oil, transmission oil and coolant levels before starting the engine (pages 44,47,48). Rechtman Script Free there.
To restart a warm engine, follow the procedure for ”High Air Temperature. ” Normal Air Temperature 10°C-35°C (50°F-95°F) 1. Pull the choke knob (2) up all the way to fully ON, if the engine is cold.
Keep the throttle fully closed. Pull the clutch lever all the way in, and press the starter button with the throttle completely closed. Or operate the kickstarter to start the engine. Starting from the top of the stroke, kick through to the bottom with a rapid, continuous motion. Do not operate the throttle. Allowing the kickstarter to snap back freely against the pedal stop can damage the engine case. Incoming search terms: •.