John Deere 6101 — Check and Adjust Valve Clearance
Adjustments · Cylinder head and valve train
For the John Deere 6101, from the John Deere service manual.
Applies to: John Deere 6101
Before you start
- Disconnect negative battery terminal before valve adjustment
Procedure
- Remove rocker arm cover from cylinder head.
- Remove timing hole plugs; install JDE81-1 turning tool and JDE81-4 timing pin.
- Rotate engine until timing pin engages flywheel at No. 1 TDC compression.
- Check intake 0.33-0.43 mm and exhaust 0.58-0.68 mm with engine cold.
- Adjust Nos. 1, 3, 5 exhaust and Nos. 1, 2, 4 intake valves.
- Loosen locknut; turn adjusting screw until feeler gauge slips with slight drag.
- Tighten locknut to 27 N·m (20 lb-ft); recheck clearance.
- Rotate flywheel 360 degrees and adjust remaining valves.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Intake 0.33-0.43 mm cold
- Exhaust 0.58-0.68 mm cold
- Valve adjusting screw lock nut 27 N·m (20 lb-ft)
Full service-parts list: John Deere 6101 →
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.