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YX600 (1984-1992)
Инструкция по эксплуатации Страница: 16

Yamaha YX600 (1984-1992) [16/200] 18 troubleshooting

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0 18 Troubleshooting 6 Piston ring to groove clearance excessive This is caused by excessive wear of the piston ring lands Piston replacement is necessary Chapter 2 7 Cylinder head gasket damaged If the head is allowed to become loose or if excessive carbon build up on the piston crown and combustion chamber causes extremely high compression the head gasket may leak Retorquing the head is not always sufficient to restore the seal so gasket replacement is necessary Chapter 2 8 Cylinder head warped This is caused by overheating or improperly tightened head bolts Machine shop resurfacing or head replacement is necessary Chapter 2 9 Valve spring broken or weak Caused by component failure or wear the spring s must be replaced Chapter 2 10 Valve not seating properly This is caused by a bent valve from over revving or improper valve adjustment burned valve or seat improper carburetion or an accumulation of carbon deposits on the seat from carburetion or lubrication problems The valves must be cleaned and or replaced and the seats serviced if possible Chapter 2 8 Stalls after starting 1 Improper choke action Make sure the choke rod is getting a full stroke and staying in the out position 2 Ignition malfunction See Chapter 4 3 Carburetor malfunction See Chapter 3 4 Fuel contaminated The fuel can be contaminated with either dirt or water or can change chemically if the machine is allowed to sit for several months or more Drain the tank and float bowls Chapter 3 5 Intake air leak Check for loose carburetor to intake manifold connections loose or missing vacuum gauge access port cap or hose or loose carburetor top Chapter 3 6 Engine idle speed incorrect Turn throttle stop screw until the engine idles at the specified rpm Chapters 1 and 3 9 Rough idle 1 Ignition malfunction See Chapter 4 2 Idle speed incorrect See Chapter 1 3 Carburetors not synchronized Adjust carburetors with vacuum gauge or manometer set as described in Chapter 1 4 Carburetor malfunction See Chapter 3 5 Fuel contaminated The fuel can be contaminated with either dirt or water or can change chemically if the machine is allowed to sit for several months or more Drain the tank and float bowls Chapter 3 6 Intake air leak Check for loose carburetor to intake manifold connections loose or missing vacuum gauge access port cap or hose or loose carburetor top Chapter 3 7 Air cleaner clogged Service or replace air filter element Chap ter 1 Poor running at low speed 10 Spark weak 1 Battery voltage low Check and recharge battery Chapter 8 2 Spark plug fouled defective or worn out Refer to Chapter 1 for spark plug maintenance 3 Spark plug cap or high tension wiring defective Refer to Chap ters 1 and 5 for details on the ignition system 4 Spark plug cap not making contact 5 Incorrect spark plug Wrong type heat range or cap configu ration Check and install correct plugs listed in Chapter 1 A cold plug or one with a recessed firing electrode will not operate at low speeds without fouling 6 Igniter defective See Chapter 4 7 Signal generator defective See Chapter 4 8 Ignition coil s defective See Chapter 4 11 Fuel air mixture incorrect 1 Pilot screw s out of adjustment Chapter 3 2 Pilot jet or air passage clogged Remove and overhaul the carburetors Chapter 3 3 Air bleed holes clogged Remove carburetor and blow out all passages Chapter 3 4 Air cleaner clogged poorly sealed or missing 5 Air cleaner to carburetor boot poorly sealed Look for cracks holes or loose clamps and replace or repair defective parts 6 Fuel level too high or too low Adjust the floats Chapter 3 7 Fuel tank air vent obstructed Make sure that the air vent passage in the filler cap is open 8 Carburetor intake manifolds loose Check for cracks breaks tears or loose clamps or bolts Repair or replace the rubber boots 12 Compression low 1 Spark plug loose Remove the plug and inspect the threa Reinstall and tighten to the specified torque Chapter 1 2 Cylinder head not sufficiently tightened down If the cylinder h is suspected of being loose then there s a chance that the gasket head are damaged if the problem has persistec for any length of ti The head bolts should be tightened to the proper torque in the cor sequence Chapter 2 3 Improper valve clearance This means that the valve is not clos completely and compression pressure is leaking past the valve Ch and adjust the valve clearances Chapter 1 4 Cylinder and or piston worn Excessive wear will ca compression pressure to leak past the rings This is usu accompanied by worn rings as well A top end overhaul is necess Chapter 2 5 Piston rings worn weak broken or stickng Broken or stick piston rings usually indicate a lubrication or carburetion problem causes excess carbon deposits or seizures to form on the pistons rings Top end overhaul is necessary Chapter 2 6 Piston nng to groove clearance excessive This is caused excessive wear of the piston ring lands Piston replacemen necessary Chapter 2 7 Cylinder head gasket damaged If the head is allowed to beco loose or if excessive carbon build up on the piston crown combustion chamber causes extremely high compression the h gasket may leak Retorquing the head is not always sufficien restore the seal so gasket replacement is necessary Chapter 2 8 Cylinder head warped This is caused by overheating improperly tightened head bolts Machine shop resurfacing or h replacement is necessary Chapter 2 9 Valve spring broken or weak Caused by component failure wear the spring s must be replaced Chapter 2 10 Valve not seating properly This is caused by a bent valve f over revving or improper valve adjustment burned valve or s improper carburetion or an accumulation of carbon deposits on seat from carburetion lubrication problems The valves must cleaned and or replaced and the seats serviced if possible Chapter 13 Poor acceleration 1 Carburetors leaking or dirty Overhaul the carburetors Chapter 2 Timing not advancing The pickup coil s or the igniter may defective If so they must be replaced with new ones as they can repaired

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Какие главы содержит данное руководство по Yamaha FJ600, FZ600, XJ600 и YX600 Radian?

1 год назад