{"product_id":"sprint-filter-p08-f1-85-air-filter-kawasaki-z650","title":"Sprint Filter P08 F1-85 Air Filter for Racing – Kawasaki Z650 (2017–2026) PM163S F1-85","description":"\u003cp\u003eThe Z650 is the inexpensive way into a twin-cylinder race class, and it collects modifications faster than anything else on this fitment list. Which is the reason to be precise about what a racing air filter does inside a modified motorcycle, because on its own it does very little. The Sprint Filter P08 F1-85 raises the rated flow of the element from the standard P08's 5,050 l\/m²\/sec to 15,000, and opens the weave from 80 to 85 microns to get there. Whether the engine ever calls for that flow is decided somewhere else entirely.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThe racing medium: dry polyester woven at 85 microns, rated at 15,000 l\/m²\/sec\u003c\/li\u003e\n\u003cli\u003eWhere the standard P08 sits at 80 microns and 5,050 l\/m²\/sec — a trade, not an upgrade\u003c\/li\u003e\n\u003cli\u003eDry and never oiled, so nothing can be carried downstream onto the sensors\u003c\/li\u003e\n\u003cli\u003eThe filtering area comes to roughly double that of other performance filters\u003c\/li\u003e\n\u003cli\u003eIt replaces the standard element without modification to the airbox and without remapping\u003c\/li\u003e\n\u003cli\u003eCleaned with compressed air and reused; the warranty runs two years from the date of purchase\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eThe filter is one link, and the fuelling holds the other end\u003c\/h2\u003e\u003cp\u003eFitting the element changes nothing that needs declaring: it goes into the standard airbox, needs no modification and no remap, and closed-loop fuelling absorbs the small change in airflow by itself. Closed-loop correction works within its own authority and around part throttle; at wide-open throttle the ECU follows a stored curve, and a stored curve is where a modified intake and exhaust either get their fuel or do not. So the order matters: exhaust, the mapping that belongs with it, then the filter as the part that keeps the airbox from becoming the new bottleneck. Bought first and alone, an F1-85 is headroom you have paid for and are not using, and on the road it is also a slightly coarser filter than the one you took out.\u003c\/p\u003e\u003ch2\u003eWhat a race-class Z650 is really buying\u003c\/h2\u003e\u003cp\u003eThe honest description of the value here is not power, it is a service item that behaves the same all weekend. A paper element loads steadily and its restriction climbs as it does. A woven polyester element is blown clean in a couple of minutes and comes back to where it started. Across a season of track days and race weekends that adds up to a run of identical sessions and a single purchase instead of a shelf of boxes.\u003c\/p\u003e\u003ch2\u003eCare and cleaning\u003c\/h2\u003e\u003cp\u003eTwo levels of service, both dry at the end. Compressed air through the PM163S F1-85 from the clean side outwards; then, after a dirty session, lukewarm water with a mild detergent, rinsed until the water runs clear, followed by full drying in open air — never with heat, never over a flame. It is refitted dry, and never oiled. The maintenance sheet is in the Downloads tab.\u003c\/p\u003e\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\u003cp\u003eMade for the Kawasaki Z650, 2017 to 2026. The same element fits five machines built around this airbox, across the Z650, Z650RS, Ninja, Versys and Vulcan families; the complete list is in the Fitment tab. If your Z650 is a road bike, the standard P08 version is the better buy, and the P14 where the roads are dusty.\u003c\/p\u003e","brand":"Sprint Filter","offers":[{"title":"Default Title","offer_id":53529927188746,"sku":"PM163S F1-85","price":1149.85,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/PM163S-F1-85_14121b96-ed14-41e1-9326-d68b769d29f2.png?v=1787059941","url":"https:\/\/inter-pace.com\/en-pl\/products\/sprint-filter-p08-f1-85-air-filter-kawasaki-z650","provider":"Inter-Pace","version":"1.0","type":"link"}