Part of the John Deere Repair Manuals.
Engine rebuild, electrical diagnosis, traction drive and blade brake clutch service run end to end through the 228 pages of the John Deere JA60 technical manual PDF, factory number TM1723, written for the 21-inch cast deck walk-behind mowers, six variants in all. Briggs & Stratton Quantum, Briggs & Stratton Intek and Kawasaki engines each get their own full section, well over half the book, from theory of operation through diagnosis, tests and adjustments, and repair. Electrical schematics trace the wiring between stator, battery and starter, and the spark, battery, starter and stator tests walk you down to the failed part. Your 3L drive belt measures 861.0 mm (33.90 in.); the blade brake clutch center bolt takes 75 N·m (55 lb-ft), the Briggs flywheel nut 81 N·m (60 lb-ft). Saturday night in the garage, there is nobody to ask. Buy it once, bookmarked and searchable, and it stays with this mower as long as you own it.
What's Inside This John Deere JA60–JX85 Walk-Behind Mowers Manual
| System | Pages | Key Topics |
|---|---|---|
| General Vehicle Specifications | 9 | Engine Specifications, Electrical Specifications, Fuel System Specifications, Transmission Specifications, Dimensions |
| Torque Specifications | 10-12 | Inch Fastener Torque Values, Metric Fastener Torque Values |
| Lubricants | 13-16 | Gasoline, Gasoline Storage, Engine Oil, Engine Break-In Oil, Transaxle Oil, Anti-Corrosion Grease, Alternative Lubricants, Synthetic Lubricants |
| Product Identification Locations and Specifications | 17-18 | Product Identification Number, Engine Identification, Briggs & Stratton Quantum, Briggs & Stratton Intek, Kawasaki Engine |
| Briggs & Stratton Quantum Engine | 19-66 | Engine Specifications, Troubleshooting, Theory of Operation, Diagnosis, Tests and Adjustments, Repair |
| Briggs & Stratton Intek Engine | 67-112 | Engine Specifications, Troubleshooting, Theory of Operation, Diagnosis, Tests and Adjustments, Repair |
| Kawasaki Engine | 113-162 | Engine Specifications, Troubleshooting, Theory of Operation, Diagnosis, Tests and Adjustments, Repair |
| Electrical System | 163-186 | Electrical Schematics, Diagnostic Information, Spark Test, Battery Test, Starter Test, Stator Test |
| Power Train | 187-212 | Traction Drive, Blade Brake Clutch, Transaxle Removal, Drive Belt Inspection, Shift Mechanism Adjustment |
| Miscellaneous | 213-228 | Wheels, Height Adjusters, Axles, Blade Removal, Blade Installation |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| JA60, JA62, JA65 | ||
| Spark Plug (Briggs & Stratton Engine) | 20 N•m (180 lb-in.) | p. 10 |
| Cylinder Head Cap Screw (Briggs & Stratton Engine) | 18 N•m (140 lb-in.) | p. 10 |
| All Models | ||
| Blade Brake Clutch (Center Bolt) Torque | 75 ± 14 N•m (55 ± 10 lb-ft) | p. 10 |
| Blade Brake Clutch (Center Bolt) | 75 ± 14 N•m (55 ± 10 lb-ft) | p. 23 |
| Drive belt | 3L – 861.0 mm (33.90 in.) | p. 9 |
| Muffler Shoulder Bolt Torque | 10 N•m (87 lb-in.) | p. 35 |
| Transaxle Driven Sheave Lock Nut Torque | 34 N•m (25 lb-ft) | p. 189 |
| Drive Belt Effective Length | 861.0 mm (33.90 in.) | p. 189 |
| Axle bolt torque | 28.5 N·m (21 lb-ft) | p. 204 |
| Front Wheel Height Adjuster Cap Screw | 37 N•m (27 lb-ft) | p. 215 |
| JA60/JA62/JA65 | ||
| Engine Oil Capacity (Briggs & Stratton Quantum) | 0.65 L (22.0 oz) | p. 9 |
| JE75 | ||
| Engine Oil Capacity (Kawasaki) | 0.6 L (20.0 oz) | p. 9 |
