Yamaha YX600 (1984-1992) [19/200] Troubleshooting 0 21
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Yamaha YX600 (1984-1992) [19/200] Troubleshooting 0 21

Yamaha YX600 (1984-1992) [19/200] Troubleshooting 0 21

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Troubleshooting Gear shifting problems 28 Doesn t go into gear or lever doesn t return 1 Clutch not disengaging See Section 27 2 Shift fork s bent or seized Often caused by dropping the machine or from lack of lubrication Overhaul the transmission Chapter 2 3 Gear s stuck on shaft Most often caused by a lack of lubrication or excessive wear in transmission bearings and bushings Overhaul the transmission Chapter 2 4 Shift cam binding Caused by lubrication failure or excessive wear Replace the cam and bearings Chapter 2 5 Shift lever return spring weak or broken Chapter 2 6 Shift lever broken Splines stripped out of lever or shaft caused by allowing the lever to get loose or from dropping the machine Replace necessary parts Chapter 2 7 Shift mechanism pawl broken or worn Full engagement and rotary movement of shift cam results Replace shaft assembly Chap ter 2 8 Pawl spring broken Allows pawl to float causing sporadic shift operation Replace spring Chapter 2 29 Jumps out of gear 1 Shift fork s worn Overhaul the transmission Chapter 2 2 Gear groove s worn Overhaul the transmission Chapter 2 3 Gear dogs or dog slots worn or damaged The gears should be inspected and replaced No attempt should be made to service the worn parts 30 Overshifts 1 Pawl spring weak or broken Chapter 2 2 Shift cam stopper lever not functioning Chapter 2 3 Overshift limiter broken or distorted Chapter 2 Abnormal engine noise 31 Knocking or pinging 1 Carbon build up in combustion chamber Use of a fuel additive that will dissolve the adhesive bonding the carbon particles to the piston crown and chamber is the easiest way to remove the build up Otherwise the cylinder head will have to be removed and decarbonized Chapter 2 2 Incorrect or poor quality fuel Old or improper fuel can cause detonation This causes the pistons to rattle thus the knocking or pinging sound Drain the old fuel and always use the recommended grade fuel Chapter 3 3 Spark plug heat range incorrect Uncontrolled detonation indicates that the plug heat range is too hot The plug in effect becomes a glow plug raising cylinder temperatures Install the proper heat range plug Chapter 1 4 Improper air fuel mixture This will cause the cylinders to run hot and lead to detonation Clogged jets or an air leak can cause this imbalance See Chapter 3 32 Piston slap or rattling 1 Cylinder to piston clearance excessive Caused by improper 0 21 assembly Inspect and overhaul top end parts Chapter 2 2 Connecting rod bent Caused by over revving trying to start a badly flooded engine or from ingesting a foreign object into the combustion chamber Replace the damaged parts Chapter 2 3 Piston pin or pston pin bore worn or seized from wear or lack of lubrication Replace damaged parts Chapter 2 4 Piston ring s worn broken or sticking Overhaul the top end Chapter 2 5 Piston seizure damage Usually from lack of lubrication or overheating Replace the pistons and bore the cylinders as necessary Chapter 2 6 Connecting rod upper or lower end clearance excessive Caused by excessive wear or lack of lubrication Replace worn parts 33 Valve noise 1 Incorrect valve clearances Adjust the clearances by referring to Chapter 1 2 Valve spring broken or weak Check and replace weak valve springs Chapter 2 3 Camshaft or cylinder head worn or damaged Lack of lubrication at high rpm is usually the cause of damage Insufficient oil or failure to change the oil at the recommended intervals are the chief causes Since there are no replaceable bearings in the head the head itself will have to be replaced if there is excessive wear or damage Chapter 2 34 Other noise 1 Cylinder head gasket leaking 2 Exhaust pipe leaking at cylinder head connection Caused by improper fit of pipe s or loose exhaust flange All exhaust fasteners should be tightened evenly and carefully Failure to do this will lead to a leak 3 Crankshaft runout excessive Caused by a bent crankshaft from over revving or damage from an upper cylinder component failure Can also be attributed to dropping the machine on eitner of the crankshaft ends 4 Engine mounting bolts loose Tighten all engine mount bolts to the specified torque Chapter 2 5 Crankshaft bearings worn Chapter 2 6 Camshaft chain tensioner out of adjustment or defective Adjust Chapter 1 or replace Chapter 2 7 Camshaft chain sprockets or guides worn Chapter 2 Abnormal driveline noise 35 Clutch noise 1 Clutch housing friction plate clearance excessive Chapter 2 2 Loose or damaged clutch pressure plate and or bolts Chapter 2 36 Transmission noise 1 Bearings worn Also includes the possibility that the shafts are worn Overhaul the t ansmission Chapter 2 2 Gears worn or chipped Chapter 2 3 Metal chips jammed in gear teeth Probably pieces from a broken clutch gear or shift mechanism that were picked up by the gears This will cause early bearng failure Chapter 2 4 Engine oil level too low Causes a howl from transmission Also affects engine power and clutch operation Chapter 1

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