John Deere GX Series GX255/GX325/GX335 Garden Tractor Technical Manual TM1973
This technical manual is written for an experienced technician and contains sections that are specifically for this product. It is a part of a total product support program.
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Sample pages from the John Deere GX Series GX255/GX325/GX335 Garden Tractor Technical Manual TM1973 manual
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John Deere Models Covered & Key Technical Specifications
Models: GX255, GX325, GX335, GX345
Sub-models / Variants: 2WD
Trade Names: Garden Tractor
Build Years: 2001–2005
Technical Data:
- Engine Configuration: 2-cylinder, 4-cycle, air-cooled, pressurized lubrication
- GX255/335 Engine: Kawasaki FH601V
- GX325 Engine: Kawasaki FH531V
- GX345 Engine: Kawasaki FD611V
- Displacement: 494 cm³ (GX255/335), 675 cm³ (GX601V), 675 cm³ (FD611V)
- Horsepower: 18 HP (GX255), 20 HP (GX601V variant)
- Cylinder Compression Pressure (Min): 390 kPa (57 psi)
- Valve Clearance (Cold): 0.075–0.125 mm (0.003–0.005 in.)
- Spark Plug Gap: 0.75 mm (0.030 in.)
- Ignition Coil Air Gap: 0.2–0.4 mm (0.008–0.016 in.)
- Starting Motor No-Load Amperage: 50 amps at 5000 rpm
- Fuel Pump Pressure (Min): 6.12 kPa (0.90 psi)
John Deere Manual Features & Content Preview
John Deere GX Series — Technical Manual Preview
- Covers 2001–2005 John Deere GX255, GX325, GX335, and GX345 garden tractors with Kawasaki power plants
- Official John Deere technical publication TM1973, February 2005 edition
- Contains 123 exploded-view diagrams, 14 wiring schematics, and 28 torque specification tables
- Downloads to your account within seconds of checkout
- Permanent availability in your purchase account — no re-buy required
- Laid out for standard letter and A4 printing
- Indexed PDF search covers every chapter and appendix
- This 596-page 2005 edition is the definitive master documentation used by technicians to service the Kawasaki-powered GX-series drivetrain, chassis, and attachment systems
Engine and Drivetrain Systems Documentation
This John Deere GX255, GX325, GX335 service manual provides technical oversight for the Kawasaki FH531V, FH601V, and FD611V engine platforms. The documentation details the theory of operation, diagnostic troubleshooting sequences for crank and no-start conditions, and precise repair sequences for engine disassembly. Chapters define specific tolerances for cylinder bores, piston-to-ring clearances, crankshaft end play, and camshaft lobe heights. Technicians find specific instructions for fuel pump flow analysis, carburetor jetting for high-altitude operation, and hydrostatic transaxle system diagnostics.
Specification Highlights
Technical depth within the manual includes critical references for engine assembly and precision adjustments. The intake and exhaust valve clearance is specified at 0.075–0.125 mm for the FH531V engine. Cylinder head bolt torque for the GX series engines is documented in a multi-stage sequence, reaching a final torque of 25 Nm (221 lb-in.). Intake manifold mounting fasteners are specified at 6.9 Nm. The ignition coil air gap for the Kawasaki engines is listed at 0.2–0.4 mm. Additional factory workshop documentation structures provided include pinout references for the electrical system, torque charts for metric fasteners, and fluid capacity requirements for hydrostatic transmission maintenance.
All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work. An official 596-page John Deere OEM technical manual covering the 2001–2005 GX255, GX325, GX335, and GX345, documenting engine, chassis, electrical, and fuel-injection specifications for the full product range.
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