Electric

Sur-Ron and Talaria: track hours, not miles

An electric dirt bike loses the engine service and keeps everything else. No oil changes, no valves, no top end, no air filter - and a chassis ridden harder than most petrol bikes, on fluids with two genuine safety traps, with manuals that disagree with each other about how long anything lasts. Here is what actually needs a clock, and what unit that clock is in.

Read this before you top up a brake. Talaria fits a mineral system, type HF10-2, and DOT fluid will destroy its seals. The Sur-Ron Light Bee manual contradicts itself: the parts table says DOT4 while the brake text says mineral. Identify your actual caliper before adding anything. Mixing the two is not a performance question, it is a brake failure.

Why hours and not the odometer

Off-road service schedules are published in operating hours, and that is not manufacturers being awkward. An hour of technical singletrack does vastly more to suspension, bearings and a chain than an hour of fire road, and distance cannot tell the two apart. A bike tracked on distance alone will show suspension as fine long after it is due.

What wearsThe clock that matters
Fork and shock oil, sealshours
Chain and sprocketsdistance
Brake fluid, gearbox oilmonths
Bearings, spokes, fastenershours, then inspection
Tyresdistance and condition

The full figures per model - Light Bee, Ultra Bee, Sting, Sting R, MX4 - with the pre-2024 and 2024-onward split are in the Sur-Ron and Talaria service schedule, free to read.

The model-year problem, and why an app has to ask

Sur-Ron does not stamp model years, so the useful split is pre-2024 against 2024 and later. Earlier manuals are condition-based - inspect, clean, lube, replace when worn - with no periodic table to schedule from at all. The 2024 manual added a proper whichever-comes-first table.

That means no app can silently infer your schedule from a model name. Loam asks you to confirm which it is rather than guessing, and where a manual publishes nothing it carries a conservative estimate and labels it an estimate instead of presenting it as a factory schedule.

What a tracker actually has to do here

Petrol bikes too

The same clocks cover KTM, Husqvarna and four-stroke and two-stroke engines, where the engine service comes back and hours matter even more - see the engine service intervals by hours and the WP, KYB and Showa suspension figures.

FAQ

Does a Sur-Ron need servicing if there is no engine?

Yes. Brake fluid, gearbox oil, suspension oil and seals, chain and sprockets, bearings, tyres and spokes all remain, and the chassis is ridden hard. Losing the engine service does not make the rest optional.

Is there a free Sur-Ron maintenance app?

Loam Moto has a 30-day free trial and then a one-time unlock, no subscription. The interval tables on this site are free to read regardless.

Will it work for a Stark Varg or Segway?

Partly, and the guide is honest about why: both publish thinner data. The Stark Varg runs a primary belt and a 520 final chain with no published belt replacement figure, so the app carries a conservative inspection nudge rather than inventing a replacement interval.

Track the ride. Service on time.

Built-in GPS, hours and kilometres per component, and interval data for Sur-Ron, Talaria and petrol bikes. 30-day trial, then a one-time unlock.