Kawasaki Z400 - Service manual > Cylinder Head

Engine Top End / Cylinder Head

Cylinder Compression Measurement

NOTE

Use the battery which is fully charged.

Cylinder Compression Measurement

Special Tools- Compression Gauge, 20 kgf/cm²: 57001-221 Compression Gauge Adapter, M10 x 1.0: 57001 -1 317

Cylinder Compression Usable Range: 1050 ~ 1598 kPa ( 10.71~ 16.30 kgf/cm², 152.3 ~  231.7psi) @500 r/min (rpm)

Torque - Spark Plugs: 13 Nm (1.3 kgf*m, 115 In*lb)

The following table should be  consulted if the obtainable compression reading is not within the usable range.

Problem

Cylinder compression is higher than usable range.

Diagnosis

Remedy (Action)

Problem

Cylinder compression is-lower than usable range.

Diagnosis

Remedy (Action)

Replace the damaged gasket and check the cylinder head warp.

Repair if necessary.

Adjust the valve clearance.

Replace the piston and/or cylinder.

Inspect the cylinder and replace/repair the cylinder and/or piston as necessary.

Replace the piston and/or the piston rings.

Cylinder Head Removal

Cylinder Head Removal

Cylinder Head Removal

Cylinder Head Removal

Cylinder Head Removal

Cylinder Head Installation

NOTE

The camshaft q is machined with the cylinder head, so if a new cylinder head is installed, use the cap that is supplied with the new head.

Cylinder Head Installation

Cylinder Head Installation

Cylinder Head Installation

Cylinder Head Installation

Cylinder Head Installation

Cylinder Head Installation

Cylinder Head Warp Inspection

Cylinder Head Warp Inspection

Cylinder Head Warp Standard: - -- Service Limit: 0.05 mm (0.002 in.)

*If the cylinder head is warped more than the service limit, replete it.

*If the cylinder head is warped less than the service limit, repair the head by rubbing the lower surface on emery paper secured to a surface plate (first No. 200, then No.400).

See also:

 Kawasaki Z400 - Service manual > Camshaft, Camshaft Chain

Camshaft Removal Remove: Cylinder Head Cover (see Cylinder Head Cover Removal) Timing Inspection Cap [A] Alternator Rotor Bolt Cap [B] Special Tool - Filler Cap Driver: 57001-1454 Position the crankshaft at the specified angle

 Kawasaki Z400 - Service manual > Valves

Valve Clearance Inspection Refer to the Valve Clearance Inspection in the Periodic Maintenance chapter. Valve Clearance Adjustment Refer to the Valve Clearance Adjustment in the Periodic Maintenance chapter.

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