Sprint Filter P08 F1-85 Air Filter for Racing – Yamaha Sniper MXi (2015–2026) PM186S F1-85

An air filter leaves no trace in a service book. Three different Sprint Filter elements fit the standard airbox of the Sniper MXi — the P08 as PM186S, the P14 as PM186P14 and this racing fabric as PM186S F1-85 — and from outside the machine there is no way to tell which of them is inside. That matters, because a racing element is bought for a reason that expires. A season ends, a project changes hands, the motorcycle carries on. The element stays where it was fitted, filtering at 85 microns instead of the standard P08's 80 and handing back airflow of 15,000 litres per square metre per second against 5,050 that a road-going 150 cc single has no way to spend.

Key Features

• Dry polyester for racing: 85 microns at 15,000 litres per square metre per second
• Coarser than the standard P08's 80 microns — a specification chosen for competition, not the road
• A part number of its own, so whatever is fitted can be identified with certainty
• Never oiled, so nothing can travel onto the throttle body or the intake sensors
• Fits the standard airbox in place of the original — nothing modified, no remap, homologation as before
• Washable and reusable, with two years of warranty from the purchase date

Finding out what is actually in the airbox

Open it and read the part number rather than judging by eye. All of these fabrics are dry, all of them sit in a similar frame, and how dirty an element looks says nothing about which particles it has been letting through — the fine fraction that a coarser weave passes is exactly the part that leaves no mark. The number is the only reliable answer, and it is worth checking on any machine bought used, along with whether the element was ever cleaned. No service record has a column for either.

What the next owner inherits

A coarser medium in a road bike is a mismatch, not a defect, and mismatches travel silently. Somebody who did not choose the element has no reason to suspect it, no symptom to notice and no gauge that would report it. So if a machine is being sold or handed on, either say what is in it or put back the medium that suits the way it will now be used: the P08 at 80 microns and 5,050 litres per square metre per second for general use, or the P14 at 14 microns and 1,800 where dust governs. Neither element is consumed by waiting. Cleaned, dried and stored, a spare sits on a shelf indefinitely, which makes swapping back a decision with no cost attached to it.

Care and cleaning

Blow compressed air across the clean side and outwards; that is the usual service. Beyond it, lukewarm water and a mild detergent take over, with rinsing continued until the water runs clear. Drying happens in open air only, right through, with no heat and no flame near it, and the element is refitted dry. There is no oiling stage at all. The maintenance sheet is in the Downloads tab.

Fitment & Compatibility

Made for the Yamaha Sniper MXi, 2015 to 2026, and a direct replacement in the standard airbox. The same element is listed for six model names across that period; the full list is in the Fitment tab.