Sprint Filter SM286S air filter
02 · Data & docs

The facts.

DescriptionThe whole story▼

Two statements sit next to each other on this product and look, at a glance, as though they disagree. Sprint Filter builds the P08 to last the service life of the motorcycle, and warrants it for two years from the date of purchase. They answer different questions. The warranty covers defects — something wrong with the part as supplied. The design life is a statement about wear, and about a component that is washed rather than consumed. What the owner of an SVT-650 X ends up holding is an intake part with a cleaning schedule and no replacement schedule.

Key Features

  • Dry woven polyester at 80 microns with a rated flow of 5,050 l/m²/sec
  • Designed for the service life of the motorcycle, warranted two years
  • 93.13 % of 100-micron particles held back in the manufacturer's test
  • Direct replacement in the standard airbox — no modification, no remap
  • Approximately twice the filtering area of an ordinary performance element
  • Supplied dry, refitted dry, with no oiling step at any point

Wear in a part that gets washed

A paper element has a one-way history: it collects, its resistance climbs, and the only reversal available is a new one. Polyester behaves differently because the loading is undone rather than tolerated. Cleaning takes the cloth back toward the condition it started in, so the resistance the engine meets in year six looks much like the resistance it met in year one, provided the washing is actually done. That is the whole basis of the design-life claim, and it is also its condition: an element that is never serviced ages exactly like the panel it replaced.

What is not being promised

Extra power is not being promised. A slot-in element does not make a standard SVT-650 X noticeably stronger, whatever cloth is in the frame, because the airbox, the intake tract, the throttle bodies and the factory calibration were developed together and a panel inside that arrangement does not rewrite it. Nor is finer automatically better: this range runs from coarse and fast to fine and slow, and every step toward more retention is a step away from throughput. The P08 sits at the road-and-track point of that scale, which is where an SVT-650 X spends most of its life.

Care and cleaning

Start with compressed air on the clean side, worked outward, so the load leaves by its entry route rather than being pushed deeper. Water is the fallback for greasy deposits: hand-warm, a small amount of mild detergent, rinsed thoroughly afterwards. Drying is ambient and unhurried, well clear of hot-air guns, radiators and flame, since heat is what damages the material rather than dirt. The SM286S goes back into the airbox dry and untreated, and its maintenance sheet is filed in the Downloads tab on this page.

Fitment & Compatibility

For the airbox of the QJ Motor SVT-650 X, 650 cm³, model years 2024 to 2026, one element per machine. This code lists a single machine, so capacity and year are the whole of the fitment check; the list is shown in the Fitment tab.

DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
  • QJ Motor SVT-650 X (2024–2026)
07 · Support

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