Part of the Kubota Operator Manuals.
This is the Kubota Operator Manual for the W821S-AU and W821SC-AU walk-behind lawn mowers, powered by the Honda GXV160 air-cooled 4-cycle OHV gasoline engine. In 16 pages it takes an owner from assembly through daily operation, adjustment, and routine maintenance so the machine keeps cutting cleanly.The manual covers handle and grass bag assembly, pre-start checks, starting and stopping, recommended mowing procedure, mowing height adjustment, and the cable adjustments for the throttle, blade, drive clutch, and gearshift levers. Maintenance sections walk through engine oil changes, air cleaner service, ignition plug care, and blade removal and inspection, with the key specs you need such as the 0.7 mm plug gap and 29 to 39 Nm blade bolt torque.You get an instant, searchable PDF download you can print for the shed or keep on your phone.
What's Inside This Kubota W821S-AU, W821SC-AU Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| 46019-336-P02-00 | 3 | Engine Oil, Api Class Sj, Sae 10W-30, Safety Labels, Blade Precautions, Gasoline Handling |
| 46019-336-P03-00 | 4 | Engine, Carbon Monoxide, Blade, Ignition Plug, Grass Bag, Mowing Height |
| 46019-336-P04-00 | 5 | Engine, Spark Plug Wire, Blades, Fuel, Grass Catcher, Governor Settings |
| 46019-336-P05-00 | 6 | Drive Clutch Lever, Blade Lever, Gearshift Lever, Throttle Lever, Recoil Starter, Blade |
| 46019-336-P06-00 | 7 | Engine Type, Displacement, Max. Output, Fuel Tank Capacity, Ignition Plug, Mowing Height |
| 46019-336-P07-00 | 8 | Lower Handle, Upper Handle, Handle Height Adjust Bolt, Guard, Grass Bag, Air Cleaner Element |
| 46019-336-P08-00 | 9 | Engine Oil, Fuel Tank Cap, Grass Bag, Plug Cap, Fuel Cock, Throttle Lever |
| 46019-336-P09-00 | 10 | Mower, Grass, Mowing Height, Grass Bag, Engine Speed, Plug Cap |
| 46019-336-P10-00 | 11 | Operation Inspection, Throttle Lever, Blade Lever, Drive Clutch Lever, Mowing Height Adjustment Levers, Torque Adjustment Method |
| 46019-336-P11-00 | 12 | Throttle Lever Adjustment, Blade Lever Adjustment, Drive Clutch Lever Adjustment, Gearshift Lever Adjustment, Adjuster, Lock Nut |
| 46019-336-P12-00 | 13 | Cleaning, Engine Oil Exchange, Air Cleaner Maintenance, Ignition Plug Inspection, Blade Inspection, Lubrication |
| 46019-336-P13-00 | 14 | Blade attachment/detachment, Blade Bolts, General Parts Inspection, Fuel Cock, Long-Term Storage, Waste Disposal |
| 46019-336-P14-00 | 15 | Memo |
| Äå-00 | 16 | Dealer, Dealer Seal Information, Kubota Tractor Australia Pty Ltd |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Engine | HONDA GXV160 | p. 6 |
| Engine type | Air-cooled, 4-cycle OHV, Single-cylinder, gasoline engine | p. 6 |
| Displacement | 163 cm³ | p. 6 |
| Max. Output | 3.2 kW / 3,600rpm | p. 6 |
| Fuel tank capacity | 1.8 L | p. 6 |
| Engine oil capacity | 0.65 L | p. 6 |
| Grass bag capacity | 75 L | p. 6 |
| Mowing width | 530 mm | p. 6 |
| Sound power level | 75 dB | p. 6 |
| Ignition plug electrode clearance | 0.7 mm | p. 12 |
| W821S-AU | ||
| Dry weight | 53 kg | p. 6 |
| W821SC-AU | ||
| Dry weight | 62 kg | p. 6 |
Kubota W821S-AU, W821SC-AU Common Problems This Manual Covers
Ragged or uneven cut
A dull, bent, or loose blade leaves an uneven finish. The maintenance section covers blade inspection, removal, and the correct mounting bolt torque so the blade seats and balances properly.
Manual Section: Inspection And Maintenance p. 12Engine hard to start
Weak spark from a fouled or wrongly gapped ignition plug is a common no-start on these Honda engines. The manual gives the plug inspection procedure and the 0.7 mm electrode clearance.
Manual Section: Inspection And Maintenance p. 12Cutting height wrong or inconsistent
If the deck sits too high or low, the mowing height needs setting. The operation section explains how to adjust mowing height across the available steps for each model.
Manual Section: Adjustment Of Mowing Height p. 10Blade or clutch lever not engaging
Stretched control cables cause the throttle, blade, or drive clutch lever to feel slack or not fully engage. The manual details how to adjust each wire at the adjuster and lock nut.
Manual Section: Adjustment Of Wires p. 11Grass not collecting in the bag
A poorly seated grass bag lets clippings escape or reduces pickup. The assembly section covers attaching and detaching the grass bag correctly.
Manual Section: Attaching And Detaching Of Grass Bag p. 7Loss of power or rough running
A clogged air cleaner element starves the engine and dulls performance. The maintenance section covers cleaning and servicing the air cleaner.
Manual Section: Inspection And Maintenance p. 12Frequently Asked Questions
Which mowers does this manual cover?
It covers the Kubota W821S-AU and W821SC-AU walk-behind lawn mowers, both fitted with the Honda GXV160 gasoline engine.
What engine and key specs are listed?
The specifications list the Honda GXV160 engine, 163 cm3 displacement, 3.2 kW output, a 1.8 L fuel tank, 0.65 L oil capacity, and a 530 mm mowing width. p. 6
Does it include maintenance procedures?
Yes. The Inspection And Maintenance section covers engine oil changes, air cleaner service, ignition plug care, and blade removal, including the 29 to 39 Nm blade bolt torque. p. 12
How quickly can I access this Kubota W821S-AU manual after buying?
The 16-page operator manual arrives as a searchable PDF, ready the moment checkout clears. Open it on a computer, tablet, or phone. Nothing ships, so there's no waiting.
Does this Kubota W821S-AU manual allow printing?
Yes. There's no DRM or copy protection, so print the whole manual or just the pages you need on any home or office printer.
Reviews
There are no reviews yet.