Every cost guide on this subject quotes a range. Almost none of them tell you what the range is made of, and on this equipment that is where the useful information lives.
A bill has four parts, and they behave completely differently:
| Component | Typical | Behaves like |
|---|---|---|
| The part | OEM catalog price, published | Fixed. No shop can discount it, and it is the majority of most bills here |
| Labor | $55–$135/hr nationally — but $75–$140 at the six shops surveyed here that publish a rate | Priced by the manufacturer’s flat-rate book, not by the clock |
| Diagnostic | $35–$90 | Credited or waived at the five surveyed shops that publish an answer; two more charge a minimum and say nothing either way — so ask what you owe if you decline |
| Trip / pickup | $30–$100 | Fixed per visit, and it does not scale down for a cheap machine |
On a $125 walk-behind repair, the last two are most of the bill. That is the whole argument for this section.
The three national ranges are LawnStarter’s; the shop-level figures are from the eight shops’ own price pages. All figures dated on the page they appear on. Costs verified August 2026, and catalog prices carry a three-month re-check rather than an annual one.
The six cost pages, and what each one is built from
Lawn mower repair cost — the master table, every common job priced twice: the OEM part on its own, and the labor on top, built on Briggs & Stratton’s published flat-rate time schedule. This is the page to hold a quote against, line by line. It also shows where the published national ranges break down and why your quote can sit legitimately outside all of them.
Small engine shop rates and fees — eight shops’ own published price pages, compiled: hourly rate, diagnostic, both branches of the credit conditional, minimum charge, trip charge, and storage. Two of the eight charge storage, a fee none of the national cost guides mentions. This is the most under-served page in the subject and it is the one to read before you phone anyone.
Snowblower repair cost — three different prices wear the name “snowblower repair,” and quotes mix them freely. Built bottom-up from OEM part prices because the published component brackets circulating for snowblowers turned out to be labor-only, which understates a bill by the entire price of the part. That correction is explained on the page rather than buried.
Carburetor cleaning vs replacement cost — the same job priced three ways, and the mechanism underneath it. Worth reading even if your carburetor is fine, because it is where the fuel-storage explanation lives, and the usual explanation turns out to be the wrong one.
The most expensive small engine repairs — ranked by share of a new machine per class rather than by dollars, which inverts the usual order. The biggest bill on the list is an engine rebuild at $860–$2,700, with a $625–$2,500 transaxle behind it; the cheapest job on it that can still cost more than the machine it sits in is a walk-behind engine swap from $260, on a push mower that starts at $230.
How to read a small engine repair quote — one quote annotated line by line at a shop’s own published rates, including the shop supplies charge the national cost guides leave off, and the four questions that split a single number into a part, a labor allowance, fixed fees and materials.
Two things worth knowing before you read any of it
Most of what you are paying for is metal. This is close to the reverse of household appliance repair, where the expensive jobs are labor-heavy. Ringing three shops about a transaxle will not help much — no shop can discount a $780 part. What can move the number is asking whether a rebuilt or used unit is an option, and which supplier the shop quotes from. Two suppliers listing the same seven Briggs part numbers differ by 12–23% on every one of them.
Shops price by the book, not by the clock. One shop states outright that it charges “the manufacturer’s flat rate” — so the labor line on your quote is a published time allowance for that job, not an estimate of how long it will take your mechanic. That is checkable, which makes it negotiable in a way an hourly guess is not.
Next: if the quote is fair and the question is whether to pay it, go to repair or replace. If you do not have a diagnosis yet, start at symptoms, priced.