Kubota — Oil Clearance Measurement
Maintenance · Crankshaft
From a Kubota service manual — check it applies to your exact model before use.
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Procedure
- Measure O.D. of crankshaft front journal with outside micrometer
- Measure I.D. of crankshaft bearing 1 with inside micrometer
- Calculate oil clearance
- If clearance exceeds limit, replace bearing 1
- Replace with undersize bearing if needed
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 0.0340 to 0.106 mm clearance
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.