Kubota Valve Clearances and Bolt Tensions

Head tension patterns

2 Cylinder

3 Cylinder

4 Cylinder

Bolt Tensions
Engine Model Nut & Washer Flanged Bolt
D650, D750, ZB500 M8
31-35 (ft/lbs)
M8
31-35 (ft/lbs)
D850, D950, ZB60 M9
43-47 (ft/lbs)
M9
48-51 (ft/lbs)
Z750, Z751, Z851, ZL600, D1101, D1301,
D1402, V1702, V1902, V1501
M10
54-58 (ft/lbs)
M10
58-62 (ft/lbs)
Valve Clearances
Engine Model Valve Clearance
Inlet Exhaust
D650 0.006" 0.008"
D750 0.006" 0.008"
ZB500 0.006" 0.008"
All Other Models 0.007" 0.009"

Please Note: This information has been provided by Tractor Imports as a guide only and Tractor Imports will not accept and responsibility for damaged caused as a result of using this information.