Kubota Z400-B Handbuch Seite 151

Adjusting Valve Clearance
1. Loosen the lock nut and the adjusting screw on the rocker
arm. •
2. Turn the adjusting screw to adjust the valve clearance at
the top dead center (T.D.C) during compression stroke of
the piston.
3. Tighten the lock nut and check the valve clearance again
after several turns of the flywheel.
• NOTE:
• To get T.D.C. of piston, find its UTC" mark on the fly­
wheel and align it with the punch mark line on the rear
end plate (See photo).
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