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John Deere 210 — Adjust valve clearance

Adjustments · Valves

For the John Deere 210, from the John Deere service manual.

Applies to: John Deere 210

Before you start

  • Both valves must be completely closed.

Procedure

  1. Place valves without springs into valve guides.
  2. Rotate crankshaft until piston is at TDC on compression stroke.
  3. Check clearance between valve stem and tappet with feeler gauge.
  4. Adjust tappet screw on K241AQS, K301AQS, K321AQS engines.
  5. Grind valve stems to adjust clearance on K181QS engines.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Intake 0.007 in. K181QS; 0.008 to 0.010 in. K241AQS/K301AQS/K321AQS cold
  • Exhaust 0.015 to 0.017 in. K181QS; 0.017 to 0.020 in. K241AQS/K301AQS/K321AQS cold

Full service-parts list: John Deere 210 →

Source: John Deere 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.

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