Kubota — Checking and Adjusting Valve Clearance
Adjustments · Cylinder head
From a Kubota service manual covering: GL 11000, GL 7000, GL 9000, GL11000, GL11000-STD, GL11000-USA, GL6000, GL6000-AUS, GL6000-STD, GL7000, GL7000-STD, GL7000-USA…. Check it applies to your exact model before use.
Applies to: Kubota GL 11000, Kubota GL 7000, Kubota GL 9000, Kubota GL11000-STD, Kubota GL11000-USA, Kubota GL6000, Kubota GL6000-AUS, Kubota GL6000-STD, Kubota GL7000-STD, Kubota GL7000-USA, Kubota Z482-E2B-SEC-2 engine, Kubota Z482-E2B-SEC-3 engine
Before you start
- Valve clearance must be checked and adjusted when engine is cold.
Procedure
- Remove head cover, glow plugs and timing window cover on flywheel housing.
- Align 1TC mark line on flywheel with center of timing window for No.1 TDC.
- Check valve clearance with a feeler gauge.
- If out of specification, adjust with adjusting screw.
Tools required
- Feeler gauge Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Intake and exhaust valve clearance (cold) 0.145 to 0.185 mm
Full service-parts list: Kubota GL 11000 →, Kubota GL 7000 →, Kubota GL 9000 →, Kubota GL11000-STD →, Kubota GL11000-USA →, Kubota GL6000 →, Kubota GL6000-AUS →, Kubota GL6000-STD →, Kubota GL7000-STD →, Kubota GL7000-USA →, Kubota Z482-E2B-SEC-2 engine →
Source: Kubota service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.