Honda CBR600F2 (1991-1994) [61/196] Cylinder head

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8 Cylinder Head Service Information 81 Cylinder Head Removal lnstallation 8 7 Troubleshooting 81 Cylinder Head Disassembly Assembly 8 8 Camshaft Removal lnstallation 82 Service Information This section covers service procedures for the cylinder head valves camshaft and cylinder Cylinder head removal installation can be performed with the engine in the frame When disassembling mark and store the disassembled parts to ensure they are reinstalled in their original locations Clean all disassembled parts with clean solvent and dry them by blowing them off with compressed air before inspection Pour clean engine oil into the oil pockets in the cylinder head during assembly to lubricate the camshaft lobes Troubleshooting Engine top end problems usually affect engine performance These can be diagnosed by a compression or leak down test or by tracing noises to the top end with a sounding rod or stethoscope Compression Too Low Hard Starting Or Poor Performance At Low Speed Valves Incorrect valve adjustment Burned or bent valves Incorrect valve timing Broken valve spring Weak valve spring Cylinder head Leaking or damaged head gasket Warped or cracked cylinder head Loose spark plug Compression Too High Excessive carbon build up in cylinder head or on top of piston Excessive Smoke Worn valve stem or valve guide Damaged stem seal Excessive Noise Incorrect valve adjustment Sticking valve or broken valve spring Damaged or worn camshaft Loose worn or damaged cam chain Worn or damaged cam chain tensioner Worn cam sprocket teeth Rough Idle Low cylinder compression Intake air leak 8 1