Kubota — Starter Motor Test
Testing & diagnosis
From a Kubota service manual covering: Hurth HBW 100, Hurth HBW 125, Hurth HBW 150, Hurth HBW 250, Hurth HBW 35, Hurth HBW 50, M-25XPB, M-35B, M-40B. Check it applies to your exact model before use.
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Before you start
- Secure starter in a vise to prevent movement.
Procedure
- Disconnect ground cable clamp from battery negative terminal.
- Disconnect battery positive cable and leads from starter.
- Remove starter motor from engine.
- Disconnect connecting lead from starter terminal C.
- Connect jumper lead from connecting lead to battery positive terminal.
- Connect jumper lead momentarily between starter motor housing and battery negative terminal.
- If motor does not run, check motor.
Tools required
- jumper leads Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.