Kawasaki KDX200 (1989-1994) [51/174] Cylinder head

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ENGINE TOP END 4 5 Cylinder Head Removal Cylinder Head Cylinder Compression Measurement Start the engine Thoroughly warm up the engine so that the engine oil between the piston and cylinder wall will help seal compression as it does during normal running Stop the engine Remove the spark plug and screw a compression gauge special tool firmly into the spark plug hole With the throttle fully open turn the engine over sharply with the kickstarter several times until the compression gauge stops rising the compression is the highest reading obtainable Drain the coolant see Coolant Change in the Cooling System chapter Remove the following parts Seat Radiator Cover Fuel Tank Muffler Spark Plug Water Hose Lower End Cylinder Compression Usable Range 825 1280kPa 8 4 13 kg cm2 119 185 psi A Spark Plug B Water Hose Remove the engine mounting brackets on the cylinder head A Compression Gauge 57001 221 B Adapter 57001 1159 If cylinder compression is higher than the usable range check the following 1 Carbon build up on the piston head and cylinder head clean off any carbon on the piston head and cyl inder head 2 Cylinder head gasket cylinder base gasket use only the proper gaskets for the cylinder head and base The use of gaskets of the incorrect thickness will change the compression If cylinder compression is lower than the usable range check the following 1 Piston cylinder clearance piston seizure 2 Gas leakage around the cylinder head replace the damaged gasket and check the cylinder head for warping 3 Piston ring piston ring groove A Engine Mounting Brackets B Cylinder Head Nuts Remove the cylinder head nuts and take off the cylinder head and gasket Cylinder Head Installation Notes Installation is the reverse of removal Replace the head gasket with a new one Scrape out any carbon and clean the head with a high flash point solvent Check for a crust of minerals and rust in the head water jacket and remove them if necessary