Mower and chainsaw servicing: costs and rules

The first warm Saturday in September is when the phone starts ringing in every small engine shop between Wagga Wagga and Wangaratta. The grass went from nothing to ankle deep in about three weeks, the mower has been sitting in the shed since March, and it turns over and will not fire. The shop says three weeks. Underneath that is the question almost nobody gets answered properly: what is actually being done to the machine for the price, and is the machine worth it.

Two halves of this sit differently. The fire rules are checkable against the regulator, and they are genuinely different in New South Wales and Victoria in ways that catch people out within sight of each other across the Murray. Service prices are not published by anybody, so every dollar figure below is an indicative range and is labelled as one.

Why the mower queue is three weeks in September

Nothing about the queue is mysterious. Grass in the Riverina and the Murray towns does very little through July, then moves quickly through late August and September. Every shed owner reaches the same conclusion in the same fortnight. A typical shop on this side of the border has one or two technicians, not six, and the parts that turn a two hour job into a two day job come from Melbourne or Sydney.

The chainsaw queue behaves differently. It does not build. It forms in a single week, and that week is set by an announcement rather than by the weather in a back yard.

In New South Wales the statutory bush fire danger period runs from 1 October to 31 March, though it can vary locally, and fire permits are required through it in Rural Fire districts. In Victoria there is no fixed date. CFA declares the fire danger period municipality by municipality, and says the timing "depends on the amount of rain, grassland curing rate and other local conditions", starting as early as October in some shires and running as late as May.

That is why Albury and Wodonga do not switch over on the same day, and why the saw shops on this border get two separate rushes. Anyone with firewood to cut who waits for the announcement is already behind. See small engine repairs in Albury and small engine repairs in Wodonga for who is close.

What a service actually includes

A standard service on a four stroke walk behind mower covers the engine oil drained and refilled, air filter cleaned or replaced, spark plug, old fuel drained and replaced, carburettor bowl drained and jets cleaned, blades sharpened and balanced or replaced, deck scraped out, wheels and height adjusters checked, drive belt and cable adjusted on a self propelled machine, blade brake and safety switches tested, and a run test.

A chainsaw service is a different list: chain sharpened with the depth gauges lowered to match, bar rails dressed and the bar flipped, drive sprocket inspected, air filter, fuel filter and oil pickup, spark plug, carburettor tuned, chain brake tested, chain catcher checked, anti vibration mounts checked, and oiler output confirmed against a light surface.

Two things are commonly not included and should be asked about before the machine is dropped off: a carburettor strip and rebuild where cleaning does not bring it back, and anything to do with the recoil starter.

On price, no regulator publishes anything here, so the following are indicative ranges only. They reflect the fixed price service menus that dealers and independent shops in regional New South Wales and Victoria advertise, and they are put here as a sanity check against a quote rather than as a price list. Parts move them, and two phone calls will settle it.

• Walk behind four stroke mower, standard service: indicative $110 to $200.
• Ride on mower, standard service: indicative $250 to $500 before parts.
• Chainsaw service including one chain sharpened: indicative $80 to $160.
• Carburettor strip and rebuild: indicative $80 to $180 on top of the service.

Worth knowing the difference between a quote and an estimate before agreeing to either. Both states run the same consumer guarantees, and Consumer Affairs Victoria sets out the paths available where a service was not done with due care and skill or was not fit for a particular purpose. Asking for a call before any work beyond the quoted figure is normal and no shop objects to it.

The fuel problem, which is most of the problem

The single most common reason a mower will not start in September is the fuel that was in it in March.

Petrol left standing loses its light fractions and leaves gum and varnish behind in the carburettor, and a small engine carburettor has jets small enough that a trace of it is enough to stop the machine. Ethanol blends add a second failure: ethanol draws moisture out of the air through a vented tank, and once enough water is absorbed it separates out as a layer of water and ethanol sitting under the petrol, right where the pickup is.

A car never shows this because a car empties its tank every fortnight. A mower sits for five months with the tank half full.

The state line makes no difference to the fuel itself. Petrol sold in Albury and petrol sold in Wodonga meet the same national standard under the Fuel Quality Standards Act 2000. The NSW Government describes E10 as "a safe and reliable fuel, compatible with the majority of petrol powered cars on the road today", and the important word in that sentence is cars. For a mower, a saw or a blower, the authority is the manual and the sticker near the fuel cap, not a page written about vehicles.

What actually works:

• Buy petrol for small engines in a quantity that gets used inside a month or two. Five litres, not twenty.
• At the end of the season, either run the machine completely dry or fill the tank and treat it with a fuel stabiliser. Half full and untreated is the worst of the three.
• Fuel that has wintered in the shed goes in the disposal drum, not back into the mower.
• Premixed alkylate fuel in a can costs several times pump price and stores for years without going off. For a saw that runs twice a year, that is cheaper than one carburettor rebuild.
• If a machine will not start after winter, drain the tank and the carburettor bowl and try fresh fuel before paying anybody to pull the carburettor apart.

Two stroke ratios, and why guessing is expensive

The ratio belongs to the machine, not to the shed. It is in the manual and usually printed near the fuel cap. Most current handheld equipment runs 50 to 1 with a quality two stroke oil. Older gear may call for 40 to 1 or 25 to 1.

• 50 to 1 is 100 mL of oil in 5 litres of petrol, or 20 mL per litre.
• 40 to 1 is 125 mL in 5 litres.
• 25 to 1 is 200 mL in 5 litres.

Too much oil fouls plugs, smokes and carbons up the exhaust port. That is a nuisance and a clean up. Too little oil seizes the engine, scores the piston and cylinder, and the repair on a domestic saw routinely costs more than a replacement saw. The asymmetry is the whole point: there is no reason to guess low.

Mix in a marked container with the date on it, keep it separate from the four stroke can, and never tip two stroke fuel into a ride on or run straight petrol in a saw, not even for one tank.

Sharpening a chain against replacing it

Sharpening wins until the cutters run out, and then it stops winning entirely.

As an indicative range from advertised shop rates, a machine sharpen sits around $15 to $30 a chain, against roughly $25 to $60 for a new chain in a common domestic size. Two or three sharpens pay for a chain, so the maths favours sharpening for most of a chain's life.

Three things decide when that stops:

• Every sharpen removes metal. Cutters carry a wear line, and once they reach it the chain is finished regardless of how it cuts.
• The depth gauges, the small ramps in front of each cutter, must be filed down as the cutters shorten. A chain sharpened without touching them looks perfectly sharp and produces fine dust instead of chips. This is the most common reason a freshly sharpened chain still will not cut.
• A chain that has touched dirt, a nail or old fence wire needs far more material removed to get back behind the damage. On this country, boundary wire grown into box and red gum is the usual culprit, and a single hidden strand can cost a chain.

Two or three chains in rotation is cheaper than a saw that stops for the afternoon. On the bar, ask for the rails to be dressed and the bar flipped, and have the drive sprocket checked. A worn sprocket quietly destroys new chains.

When a ride on is worth repairing

The test is simple: compare the repair against what the same machine, working, sells for locally.

Cheap and usually worth doing on any otherwise sound machine: belts, blades, spindles, battery, starter motor, carburettor, throttle and choke cables, and safety switches. These are the faults that make a machine look dead and are not.

Expensive and often the end of it: a failed hydrostatic transaxle on a domestic ride on, an engine short block, and a deck that has rusted through. Deck rust is the one that finishes machines outright, because a deck rotted around the spindle mounts cannot be trusted holding blades at speed no matter what the engine is like. Parts support for brands that have left the Australian market is the other quiet killer.

The practical move is to have the workshop quote the whole job before any work starts, not just the first fault found. A machine stripped on the bench with a second problem discovered halfway is how a $300 repair becomes a $900 one. Local options are listed under lawn mowing and mower services in Wagga Wagga and small engine repairs in Wangaratta.

Fire bans, mowers and chainsaws: the two states are not the same

This is where people get it wrong, usually by assuming the rule they learned on one side of the river applies on the other.

In New South Wales, a total fire ban means, in the NSW RFS wording, that a person cannot "light, maintain or use a fire in the open, or to carry out any activity in the open that causes, or is likely to cause, a fire". General purpose hot works such as welding, grinding or gas cutting, or any activity producing a spark or flame, are not to be done in the open. The RFS "strongly recommends you reconsider activities such as using a tractor or slashing".

The critical point is what is absent. The schedule of standard exemptions to total fire bans covers cutting, welding and grinding by emergency services, essential repair of mining equipment, urgent construction or demolition work, and cane harvesting at night. There is no exemption for mowing, slashing or chainsaw work, and no equipment checklist that makes it lawful. The test is whether the activity is likely to cause a fire. The RFS gives the penalties as a $2,200 on the spot fine, up to $5,500 and 12 months imprisonment on conviction, and up to $132,000 and 14 years if a fire escapes and causes damage.

Victoria takes the opposite approach and writes the equipment into regulation. Regulation 146 of the Country Fire Authority Regulations 2025 (SR 72/2025) provides:

A person must not use a heat engine in the open air in the country area of Victoria (not including a fire protected area) unless the heat engine is fitted with an efficient spark arrester; and if a fire danger period is in force in the area of use, the area around the heat engine is cleared of flammable material for a radius of not less than 3 metres, or a person who has the capacity to extinguish a fire is in attendance at all times the heat engine is in operation.

The prescribed suppression equipment under regulation 145(1) is at least one knapsack pattern water spray pump in working order, fully charged, with a tank capacity of not less than 9 litres, or a 9 litre stored pressure water extinguisher. The penalty is 10 penalty units. A Victorian penalty unit is $209.10 for 2026 to 2027 according to the Department of Treasury and Finance, so 10 units is $2,091. That figure is current as at August 2026 and is indexed on 1 July each year.

Regulation 146 also carries the exception most Victorians never hear about. It does not apply to "a chainsaw, plant or grass trimmer or lawn mower used on green vegetation". Green lawn on an ordinary Saturday sits outside the regulation. Dry grass does not.

On a declared total fire ban day, CFA advises that chainsaw and mower work "should be avoided wherever possible", and where it is essential requires the machine to be free from faults that could cause an outbreak of fire, fitted with an efficient spark arrester, worked with at least 3 metres cleared around it, and attended by an operator carrying the 9 litre knapsack or extinguisher.

Hot works are handled separately again in Victoria. Regulation 142 prescribes welding, gas cutting, soldering, grinding, charring and the use of power operated abrasive cutting discs as high fire risk activities, with conditions including a fire resistant shield, at least 1.5 metres cleared or wetted down, a reticulated water supply or a fully charged 9 litre knapsack available for immediate use, and cut offs and electrode stubs going straight into a fireproof receptacle.

The declaration boundaries are the last trap. New South Wales declares over its own fire areas and Victoria over its nine fire weather districts, with North East covering the Ovens and the upper Murray and Northern Country covering the Goulburn. Those lines were never drawn to match at the river. A total fire ban on one bank is not a total fire ban on the other, and a machine that is lawful in a Wodonga back yard on green grass is being judged by a different test in Albury.

What to do in the last week of August

• Ring the shop now rather than in the second week of September, and ask what the current turnaround actually is.
• Take chains in separately from the saw. A chain sharpen is often same day even when the machine queue is three weeks.
• Drain the old fuel before the machine goes in, and ask the shop whether it will take the drained fuel and old oil. Ask the council about household chemical drop off if it will not.
• Have the model and serial number ready, off the deck on a mower or the fan housing on a saw. It shortens the parts wait.
• Ask whether the number given is a quote or an estimate, and ask for a call before any work beyond it.
• Ask for the bar to be flipped and the sprocket checked, not just the chain sharpened.
• Walk the block before the first cut and pick up the fence wire, star picket offcuts and rocks that came up over winter.

The saw is the one that catches people. The week CFA declares the fire danger period for the shire, or the week the NSW bush fire danger period opens on 1 October, is the week the counter fills up. A saw serviced in August starts in November. See lawn mowing services in Albury, lawn mowing in Wodonga and the full small engine repairs and lawn mowing categories for who is taking bookings.

Sources

Checked on 2026-08-25. Government fees and rules are indexed and revised, so open the source before you rely on a figure.

• rfs.nsw.gov.au
• cfa.vic.gov.au
• legislation.vic.gov.au
• content.legislation.vic.gov.au
• dtf.vic.gov.au
• nsw.gov.au
• consumer.vic.gov.au