Yamaha yzf450 motorcross manual




















Throttle cable pull S. Pass the main harness to the front of the radiator 3. Throttle cable return hose the front of the vehicle , and to the inside of 4. Insert the projection on the plastic locking tie into 1. Bracket the hole in the rear frame. Condenser T. Clamp the painted part on the fuel hose by the 3. Coolant temperature sensor plastic clamp. Make the lock on the plastic clamp 4. Throttle cable 2. Clutch cable 3. Engine stop switch lead 4.

Cable guide 5. Head pipe 6. Front brake hose 7. Brake hose guide 8. Number plate A. Number plate band B. Pass the clutch cable to the rear of the number plate band. Main harness 2. Radiator 3. Throttle position sensor lead 4.

Joint coupler 5. Intake air temperature sensor lead 6. Intake air pressure sensor lead 7. Frame 8. Fuel hose 9. High tension cord Spark plug cap Brake master cylinder 2.

Brake hose holder 3. Brake hoses A. While installing the brake hose, direct a bend in its pipe portion as shown, and bring it into contact with the projection on the brake caliper. The life of parts varies significantly according to the environment in which the machine runs e. Replace Replace the piston, piston pin, piston pin clip, and piston ring all as a set. Before using this machine, check the following points. Pour coolant. Recommended coolant High quality ethylene glycol anti-freeze containing anti-cor- rosion for aluminum engine Check: 1.

Throttle grip free play 3. Stand the vehicle upright on a level surface. Oil filter element cover bolt 1. Start the engine, warm this up for several 10 Nm 1. If no engine oil seeps out after one minute, immediately turn the engine off so it will not Engine oil quantity seize. With oil filter element replace- ment b. Those who crankcase cover. Remove the camshaft intake and exhaust. Select an adjusting pad with a proper valve f. Install the camshafts exhaust and intake.

Measure the valve clearance again. Bolt brake caliper d. Brake pad lining thickness inner d. Other brake fluids may cause the rubber seals to deteriorate, causing leakage and poor brake performance.

Mixing brake flu- ids may result in a harmful chemical reac- tion, leading to poor brake performance. Turn it out by 14 clicks. Tighten the locknut. Tire pressure kPa 1. Use a suitable stand to raise the front wheel ing. Lubricate the pivoting points and metal-to- metal moving parts of the following parts.

Measure: 1. Page General Chassis This section is intended for those who have basic knowledge and skill concerning the servicing of Yamaha motorcycles e. Those who have little knowl- edge and skill concerning servicing are requested not to undertake inspection, adjustment, disas- sembly, or reassembly only by reference to this manual.

Remove: 1. Use a suitable stand to raise the front wheel A tight spoke will emit a clear, ringing tone; a off the ground. Clean the outside of the front wheel hub. Install: 3. Securely support the vehicle so that there is Radial wheel runout limit no danger of it falling over. Install: 5. Blow compressed air into the brake hose When the brake caliper is disassembled, re- joint opening to force out the piston from the place the brake caliper piston seal and the brake caliper. Other tainer under the master cylinder and the end of brake fluids may cause the rubber seals to the brake hose.

ECA1DX 5. Union bolt Copper washers Brake hose Split pin Washer Brake master cylinder reservoir cap Brake master cylinder reservoir diaphragm plate Brake master cylinder reservoir diaphragm Rear brake master cylinder For installation, reverse the removal proce Install: 1. Other brake fluids may cause the rubber seals to Before removing the rear brake master cylin- deteriorate, causing leakage and poor der, drain the brake fluid from the entire brake brake performance.

Recommended brake fluid 4. Pour brake fluid to the brake fluid reservoir 5. Check: up to the specified level. Clutch cable Disconnect. Clutch lever holder Engine stop switch Brake master cylinder Throttle cable cap Throttle cable pull Disconnect. Throttle cable return Disconnect. Right grip Tube guide Collars Slightly coat the handlebar left end with a rubber adhesive. Install the handlebar grip on the handlebar by pressing the grip from the left side. Wipe off any excess adhesive with a clean cloth.

Install: 8. Slightly coat the end of throttle cable and inside of throttle grip with lithium-soap-based grease.

Use a suitable stand to raise the front wheel Do not scratch the inner tube. Cap bolt wrench 2. Install: Install the collar with its larger dia. Use a suitable stand to raise the front wheel If the bearing race is not installed properly, off the ground. Check the steering stem by turning this lock to lock. If there is any binding, remove the steering stem and check the steering bear- ing.

Use a suitable stand to raise the rear wheel off the ground. Drive chain For installation, reverse the removal proce- dure. Page Engine Removal This section is intended for those who have basic knowledge and skill concerning the servicing of Yamaha motorcycles e. If possible, insert a shaft of similar diameter into the other side of the swingarm to support it. Remove the bearing using a general bearing puller 2. When the engine has warmed up, push it in to close the circuit.

Die Lager und Laufringe mit einem ments avec du solvant. Disconnect the throttle position sensor coupler. Using the correct special tool will help prevent damage caused by the use of improper tools or improvised techniques. Insert the thin electric conductors 2 lead into the TPS coupler 1, as shown, and connect the tester to them. Scald- Take care so that coolant does not ing hot fluid and steam may be splash on painted surfaces. Circlip Oil seals Bearing For installation, reverse the removal proce- dure.

Brake hose holder protector Union bolt Brake hose For information about using the Yamaha diagnostic tool, refer to the operation manual that is included with the tool.

Page 81 If a problem occurs that is not listed in this manual or if the problem cannot be corrected by the procedures provided in this manual, contact your Yamaha dealer. Valve joint Throttle grip Scald- ing hot fluid and steam may be blown out under pressure, which could cause serious injury. Engine Refer to removal section.

Rear brake pedal Throttle grip Insert a ring into the cylinder and a. Intake air pressure sensor lead 7. If torqued too much, it may cause Damper assembly the front fork to malfunction.

It may lead to After that, retighten the nut ex- haust pipe 20 Nm 2. Mityvac cooling system tester YUA Radiator yzf tester adapter This tool is used to check the radiator and the radiator cap.

Actuation Manua the ignition coil five times at one-second intervals. Kick idle gear Kick shaft assembly Spring guide Torsion spring Ratchet wheel Kick gear Kick shaft For installation, reverse the removal proce- dure. Coolant temperature sensor Clutch cable Disconnect at engine side. Crankshaft Refer to removal section.

What is the difference between E10 and E5 petrol? E10 petrol consists of up to ten per cent ethanol while E5 petrol will contain less than five per cent ethanol. As a result, the percentage of E10 petrol is lower than that of E5 petrol, making it less bad for the environment. How often should I replace the oil filter on my Yamaha engine?

An oil filter must be replaced every kilometres approx. How often should I change the oil of my Yamaha engine? The oil must be changed every kilometres approx. How do I remove rust from my Yamaha Motorcycle?



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