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Motorcycle Service Interval Calculator

Works out when oil, filters, spark plug, chain, brakes and CVT belt are next due from current mileage and the last service, using general intervals.

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Service intervals depend on engine type, oil capacity and riding conditions. This calculator uses typical intervals from common manufacturer service schedules to show which job is due when.

Important: these values are a general guide. The service schedule in your owner's manual always takes priority; for motorcycles under warranty, follow the intervals specified by the authorised service.

km
km

Leave empty if unknown (0 is assumed)

For time-based items

Due: 0 · Coming up: 0

  • Engine oil

    Replace · 3,000 km or 12 months · common range 2,000–10,000 km

    13,000 km (500 km to go)

    OK

  • Oil filter / strainer

    Replace · 6,000 km or 12 months · common range 4,000–12,000 km

    16,000 km (3,500 km to go)

    OK

  • Air filter

    Replace · 12,000 km or 24 months · common range 6,000–24,000 km

    22,000 km (9,500 km to go)

    OK

  • Spark plug

    Replace · 8,000 km · common range 6,000–30,000 km

    18,000 km (5,500 km to go)

    OK

  • Brake pads

    Inspect · 5,000 km or 12 months · common range 3,000–6,000 km

    15,000 km (2,500 km to go)

    OK

  • Brake fluid

    Replace · 24 months

    Enter the last service date to calculate

    OK

  • Variator (CVT) belt

    Replace · 20,000 km · common range 15,000–25,000 km

    30,000 km (17,500 km to go)

    OK

  • Variator rollers and sliders

    Inspect · 10,000 km · common range 8,000–12,000 km

    20,000 km (7,500 km to go)

    OK

  • Final drive (gear) oil

    Replace · 12,000 km or 24 months · common range 8,000–20,000 km

    22,000 km (9,500 km to go)

    OK

These are general intervals compiled from common manufacturer service schedules. The maintenance table in your owner's manual and the warranty terms always take priority.

How it is calculated

For each item, next service = odometer when it was last done + interval. For items with a time limit, such as oil, brake fluid and coolant, months are added to the last service date; whichever comes first applies.

With severe use selected (short city trips, hot and dusty conditions, a regular pillion or load, courier work), the km intervals of wear-sensitive items are shortened by 30%.

An item is marked 'coming up' when less than 10% of its interval or fewer than 30 days remain, and 'due now' when it has been exceeded. You can also enter the odometer reading at which each item was last done.

Formula

  • Next service (km) = last done (km) + interval (km)
  • Severe-use interval = interval × 0.7 (rounded to 100 km)
  • Next service (date) = last service date + interval (months)
  • Status: remaining ≤ 0 → due now; remaining ≤ 10% of interval or ≤ 30 days → coming up

Worked example

  1. 1125 cc scooter at 12,500 km; last serviced at 10,000 km on 10 January 2026, every item done at that service, normal use
  2. 2Engine oil: 10,000 + 3,000 = 13,000 km or 10 January 2027 → 500 km to go
  3. 3Air filter: 10,000 + 12,000 = 22,000 km; spark plug: 10,000 + 8,000 = 18,000 km
  4. 4Variator belt: 10,000 + 20,000 = 30,000 km; brake fluid: 10 January 2028

Good to know

  • Use the oil viscosity (e.g. 10W-40) and specification given in the manual: wet-clutch motorcycles need JASO MA/MA2, while some scooters specify JASO MB.
  • Clean and lube the chain after riding in the rain and after washing, without waiting for the interval.
  • Brake fluid (DOT 4) absorbs moisture and its boiling point drops, so replace it every 2 years even at low mileage.

Frequently asked questions

How often should motorcycle oil be changed?

Small scooters and motorcycles typically every 3,000–4,000 km and large motorcycles every 6,000–10,000 km, and at least once a year. The exact value is in your owner's manual.

When should a scooter drive belt be replaced?

Typically every 15,000–25,000 km. Replace it earlier if it shows cracks, edge wear or a width below the service limit. Check the variator rollers and sliders at the same time.

When should brake pads be replaced?

When the friction material reaches the manufacturer's wear limit (on most pads, when the wear groove disappears, at roughly 1.5–2 mm). The calculator only shows when to inspect; pad life varies a lot with riding style.

Why does the calculator say the owner's manual takes priority?

Two engines of the same capacity can have different intervals because of oil capacity, cooling and design. These values are a general guide; follow the manual's table, the warranty terms and your service's advice.

Results are for information only and are based on theoretical calculations. For parts and maintenance, follow your motorcycle's owner's manual and the manufacturer's specifications. Last reviewed: October 8, 2026

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