Part of the John Deere Repair Manuals.
All 594 pages of this John Deere Z225 Technical Manual PDF (OEM #TM112919) focus on four EZtrak Residential Mowers: the Z225, Z245, Z235, and Z255. Inside: full wiring schematics with connector pinouts, a complete troubleshooting section covering both single-cylinder and V-Twin engines, and step-by-step repair procedures for power train, attachments, and electrical systems. You also get torque tables, theory-of-operation breakdowns for every electrical circuit, and a dedicated tests-and-adjustments section for both engine families. Check the ignition switch continuity: A-B in Off, C-D in Run, and C-D plus E-F in Start — that is factory data, not a forum guess. Chasing an electrical fault on a Z225 without the right schematic is a half-day time sink. Jump to any section by bookmark, pull the spec on your phone, and fix it right the first time.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 6-40 | Group 05 - Safety, Group 10 - General Specifications, Group 15 - Fuel and Lubricants, Group 20 - Machine Specifications |
| Single Cylinder Engine Repair | 41-111 | Group 10 - Engine Single Cylinder |
| V-Twin Engine Repair | 112-215 | Group 10 - Repair Engine V-Twin |
| Electrical Repair | 216-240 | Group 10 - Component Location, Group 20 - Wiring Harness |
| Power Train Repair | 241-269 | Group 10 - Hydrostatic Drive Component Location, Group 20 - Transaxle and Drive System Repair |
| Attachments Repair | 270-321 | Group 10 - Mower Deck Component Location, Group 20 - Deck and Bagger Attachment Repair |
| Miscellaneous Repair | 322-352 | Group 10 - Component Location, Group 20 - Repair |
| Single Cylinder Diagnosis, Tests, and Adjustments | 353-372 | Group 10 - Single-Cylinder Engine Diagnosis, Group 20 - Single-Cylinder Tests and Adjustments |
| V-Twin Engine Diagnosis, Tests, and Adjustments | 373-403 | Group 10 - V-Twin Engine Diagnosis, Group 20 - V-Twin Engine Tests and Adjustments |
| Electrical Diagnosis, Tests, and Adjustments | 404-561 | Group 10 - Theory of Operation, Group 20 - Diagnosis, Group 30 - Tests and Adjustments, Group 40 - Wiring Schematics, Group 50 - Connector Information |
| Power Train Diagnosis, Tests, and Adjustments | 562-581 | Group 20 - Theory of Operation, Group 30 - Diagnosis, Group 40 - Tests and Adjustments |
| Attachments Diagnosis, Tests, and Adjustments | 582-592 | Group 20 - Diagnosis, Group 30 - Tests and Adjustments |
| Service Tools and Kits | 593-594 | Group 10 - Service Tools |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Switch Continuity (Released) | A — B | p. 528 |
| Switch Continuity (Pressed) | None | p. 528 |
| Switch Continuity (Off) | A — B | p. 524 |
| Switch Continuity (Run) | C — D | p. 524 |
| Fuse F1 Amperage | 20A | p. 222 |
| Fuse F2 Amperage | 20A | p. 222 |
| Torque | 20 N·m (180 lb.-in.) | p. 42 |
| Gap | 0.76 mm (0.030 in.) | p. 42 |
| Z225, Z245 | ||
| Torque | 5 N·m (44 lb·in) | p. 42 |
| Z235, Z255 | ||
| Torque | 5 N·m (45 lb·in) | p. 113 |
| Z225 | ||
| Engine Oil Capacity, Z225 | 1.4 L | p. 36 |
| Z245, Z235, Z255 | ||
| Engine Oil Capacity (Z245, Z235, Z255) | 1.8 L | p. 36 |



















