Kubota M-5700 Valve settings are as follows
Valve clearance ( when Cold ) 0.18 to 0.22mm or 0.0071 to 0.0087in
Vlave Seat Angle ( intake ) 1.047 Rad 60 degrees ( exhaust ) 0.785 rad 45 degrees
Valve Face angle ( intake and exaust same as above )
Vlave stem to valve guide ( clearance ) 0.040 to 0.070mm or 0.00157 to 0.00276in. (Allowable limit is 0.10mm or 0.0039in.)
Vlave stem ( O.D. ) 7.960 to 7.975mm or 0.31339 to 0.31398in.
Valve guide ( I.D. ) 8.015 to 8.030mm or 0.31555 to 0.31614in.
Valve Recessing ( Protrusion ) 0.05mm or 0.0020in.
( Recessing ) 0.15mm or 0.0059in. allowable limit is 0.40mm or 0.0157in.
Valve timing ( intake valve ) open 0.21rad 12degrees before TDC
closed 0.63rad 36degrees after BDC
Valve timing ( exhaust valve ) open 1.05rad 60degrees before TDC
closed 0.21rad 12 degrees after BDC
Valve spring ( Free Length ) 41.7 to 42.2mm or 1.6417 to 1.6614in. allowable limit is 41.2mm or 1.6220in.
Valve spring ( setting load ) 117.6N 12.0 KGF or 26.4lbs allowable limit 100.0N 10.2 KGF or 22.5lbs.
Valve spring ( setting length ) 35.0mm or 1.3780in.
valve spring ( Tilt ) allowable limit is 1.0mm or 0.039in.
From lance At rosy brothers inc dryden mi