Sprint Filter P08 F1-85 Air Filter for Racing – Suzuki V-Strom 800DE (2023–2026) SM245S F1-85

Of the four machines that share this airbox, the V-Strom 800DE is the one where the honest advice is to look elsewhere in the catalogue. It is built to leave the tarmac, and the air it draws on gravel and a dry summer verge carries a load a racing medium was never meant to sort. The Sprint Filter P08 F1-85 is the fast end of the range: 15,000 litres per square metre per second through cloth rated at 85 microns, against 5,050 through 80 microns on the standard P08. Wider is the wrong direction for an engine expected to reach a high mileage without ever being opened. For an 800DE the interesting part of the range lies the other way — the P14, at 14 microns and 1,800 l/m²/sec.

Key Features

• Racing medium: 85 microns at 15,000 l/m²/sec, flow ahead of retention
• Wider than the standard 80 micron P08 and its 5,050 l/m²/sec — a loss, not a gain
• For dust the range runs the other way: P14 at 14 microns and 1,800 l/m²/sec
• Dry polyester whichever medium you pick — no filter oil to carry or source on tour
• Cleaned with compressed air and used again instead of replaced
• Two years of warranty, counted from the day it was bought

Wear you never get to measure

Dust does not damage an engine in one event. It adds up: every abrasive particle reaching the bores and rings takes its share, and nothing on the dashboard reports the balance. That is what makes the medium a real decision on a travel enduro. A racing engine carries the same debt but has a settlement date — the next overhaul, scheduled by running hours, which resets the account and shows what the intake let through. The 800DE has no such appointment in its plan. It is bought to cover long distances between services, and the sensible policy for such an engine is to let as little through as the airflow can spare.

Where this element would belong

There is a version of this bike for which the F1-85 makes sense: an 800DE built as a competition machine, run on closed ground, with an engine serviced by running hours. That is a small minority; everything else points down the range. For mixed use — tarmac stages with gravel where the road runs out — the standard P08 at 80 microns and 5,050 l/m²/sec is the balanced answer. Where dust is the rule rather than the exception, the P14 trades flow for retention on purpose, and the T12 goes further at 7 microns and 560 for desert conditions. The housing takes all of them, so the choice can be revisited when the riding changes.

Care and cleaning

Whichever medium ends up in the airbox, the routine is the one the SM245S F1-85 asks for: compressed air on the clean side, worked outwards, as often as a dusty stage makes it worthwhile. Where air will not do, lukewarm water and a mild detergent will, rinsed until clear. Then open air until it is dry through — never heat, never a flame — and back in dry. Nothing is ever oiled. The maintenance sheet is in the Downloads tab.

Fitment & Compatibility

Listed for the Suzuki V-Strom 800DE, 2023 to 2026, fitting the standard airbox. Four Suzuki models share this element; the complete list is in the Fitment tab.