Sherco's 300 ST-E Factory looks like an electric trials bike in a search result. It is not. The E stands for electric START on a 294cc two-stroke petrol engine. Here is exactly what that means, what it costs, and who it is for. Sources on everything.
This is a petrol two-stroke trials machine, not a battery-electric motorcycle. The E in ST-E means a push-button electric starter, added to Sherco's 294cc competition bike. There is no battery propulsion, no charging, no electric range. If you came looking for an electric trials bike, this is not it.
Why no charging math: there is no traction battery to charge. The only battery on board is a small starter battery, the same idea as the one in a car, used to spin the engine over, not to move the bike.
Why this bike is in an electric catalog at all, what the E actually does, what it costs, and the standard scorecard. All sourced.
The Sherco 300 ST-E Factory is a petrol two-stroke trials bike with a push-button electric starter, not a battery-electric motorcycle. The E in ST-E is the single most misread initial in this catalog. There is no traction battery, no charging, and no electric range to discuss. Buy it as a proven 294cc competition trials machine with the convenience of electric starting, and nothing more electric than that. Here is exactly why.
Start here, the right answer depends entirely on who is asking, and on whether you read the name correctly.
This one splits cleanly. If you ride trials, it could be a great bike. If you are shopping for an electric motorcycle, you are in the wrong aisle, and we will say so plainly.
The sweet spot. A proven 294cc two-stroke with electronic injection and the convenience of push-button starting on a discipline where you stall and restart constantly. The Factory trim is the competition-focused version of Sherco's ST line.
Stop here. Despite the E, there is no electric drivetrain, no battery to charge, and no electric range. If you wanted a battery-electric trials bike, this Sherco is not it. Sherco's electric work is a separate matter from this model.
A dedicated trials bike is built to hop logs and balance on rocks at walking pace, not to commute. No comfortable seat for distance, no luggage, and it is built around low-speed control, not road touring.
Trials is a superb school for clutch and balance control, and electric start lowers the frustration of constant restarts. But a competition two-stroke is peaky and demanding. Better with instruction and full gear than as a first solo bike.
The whole report turns on one letter. The struck line is what shoppers assume; the big truth is what the bike actually is.
What is genuinely useful here, and what is just normal kit. The part the listing never spells out.
The real headline of Sherco's 2026 E range is a compact, integrated electric starter. On a trials bike that is a genuine convenience, just not an exotic one.
A compact, ergonomic electric starter integrated into the bike. In trials you stall and restart constantly on tricky sections, so a button beats kicking a competition two-stroke back to life mid-section. Convenient and real.
≈ Now standardA liquid-cooled, electronically injected 294cc two-stroke with forced-circulation cooling. The 2026 E range adds a decompressed cylinder head for improved flexibility plus a revised injection system and fuel pump (retailer-listed updates).
✓ SolidThe Factory designation is Sherco's top, competition-focused spec in the ST trials line. You are paying for race-ready hardware aimed at responsiveness and flexibility, not commuter features.
✓ SolidOur usual physics modules assume a battery and a motor. Here there is neither, so the honest move is to say what does not apply, and why.
On every battery bike we run five formulas: energy in the pack, usable energy, real range, power from watts, and charge time. This Sherco has no traction pack, so four of the five have nothing to chew on.
| Our standard module | On this bike | Why |
|---|---|---|
| Energy = V × Ah | n/a | No traction battery; the only pack is a small starter battery |
| Usable Wh × 0.88 | n/a | No usable kWh to derate; energy comes from the petrol tank |
| Range = Wh ÷ Wh/mi | n/a | Range is a function of tank size and fuel use, not a battery |
| Charge time = Wh ÷ W | n/a | You refuel at a pump, you do not charge a drive battery |
| hp = Watts ÷ 746 | measured in kW only if you have a dyno figure | Sherco does not headline a peak kW; trials engines are tuned for low-speed control, not a horsepower number |
The buy-in is trials-bike money. The running cost looks different from any EV in this catalog.
We have a verified UK list price and the shape of the running costs. We do not yet have a fully itemized five-year breakdown for this specific 2026 model, so we show what is solid and flag what is still being verified rather than guessing.
| Line item | Typical | Notes |
|---|---|---|
| Bike (UK list) | £8,199 | 2026 300 ST-E Factory, UK retailer listing (May 2026) |
| US price | verify locally | Trials models reach the US in small numbers; confirm with a Sherco dealer |
| Two-stroke premix oil | recurring | Injected two-stroke still consumes oil; budget per ride |
| Petrol | recurring | There is no "free fuel" line here; it drinks pump fuel |
| Competition-engine service | higher cadence | High-strung two-strokes want more frequent attention than a commuter EV |
| Charging / battery replacement | £0 | No traction battery to charge or replace |
What it is like to own a competition two-stroke, and where parts come from.
We summarize the recurring themes around competition two-stroke trials bikes in general, framed as themes rather than invented quotes, because verified long-term owner data specific to the 2026 ST-E Factory is still thin this early in its life.
One scorecard, identical axes on every bike. Note that some axes penalize this bike for being a competition trials tool, which is fine, it was never built to win them.
Every machine on the site is scored on these same eight axes, by the same rules. A trials bike scores low on family and street-legal-ease by design; read the bottom line, not just the bars.
Our standing methodology, run identically on every e-moto. On this bike most of it returns "not applicable", which is itself the point.
The only honest way to compare two batteries. Not applicable here: no traction battery exists.
You never use 0 to 100% of a pack. Not applicable here: energy comes from the petrol tank, not a pack.
Consumption is the lever on an EV. Not applicable here: range is set by tank size and fuel use.
Always ask which number a spec quotes. Sherco headlines no peak kW for this trials engine; it is tuned for low-speed control.
Meaningless without charger wattage. Not applicable here: you refuel at a pump.
| Cost assumption | We used | Change it if… |
|---|---|---|
| Annual mileage | 1,500 mi/yr (7,500 / 5 yr) | Trials riding is measured in hours and sections, not miles, so this is illustrative only |
| Electricity rate | $0.17 / kWh (US avg) | Not used here; this bike runs on petrol, not grid power |
| Sales tax | ~8% | Your state or country differs |
| Battery life | No traction battery | Only a small starter battery, replaced like a car's |
| Resale | ~60% of MSRP at yr 5 | Condition and the trials-market demand vary |
We cite everything and date it, because specs and prices change. Manufacturer and retailer figures are labeled as claims, not independent tests. Spot an error? Our corrections policy means we fix it in public.
Sources retrieved May 2026. Retailer and manufacturer pages state claimed specs and prices; treat them as listings, not independent tests. We re-check prices periodically because they move quickly, and trials-bike availability varies sharply by country.