If you love your Jazz/Fit, respect the engineering. Buy the manual, read the torque specs, and keep that L15B singing for the next decade.
For a comprehensive service and repair guide for your Honda Jazz GK5
Furthermore, the manual details the official procedure for walnut blasting the intake ports to remove carbon deposits without damaging the soft aluminum cylinder head.
Most modern engines run hydraulic lifters that never need adjustment. The L15B does not. It uses mechanical valve adjustments. The manual provides the exact cold valve clearance specs:
Unlike the CVT-heavy global market, the manual details the short-throw 6MT.