2008 S2000 US owner manual, Honda reproduction
Source ↗Honda manual reproduced in full. The original techinfo.honda.com download failed certificate validation; no TLS checks were disabled.
United States, 2008 S2000, with explicit CR branchesPages 168, 170-173Preferred engine oil viscosity: Page 171: preferred viscosity; 5W-40 is permitted below -20 CEngine oil specification: Page 170: API Certification SealEngine oil refill with filter: Page 172: oil and filter change; confirm final dipstick levelEngine oil refill without filter: Page 234: Change, without filterOil drain bolt torque: Page 172: 29 lbf-ft / 39 Nm; replace washer2008 S2000 CR cylinder block and oil pan OEM parts diagram
Source ↗Exact CR oil-pan diagram item 17 identifies 94109-14000. Replacement frequency and quantity come separately from the Honda owner/service manual.
2008 Honda S2000 2 Door CR, KA 6MTEngine oil drain washer: Cylinder Block - Oil Pan diagram item 17; 14 mm; one new washer per oil change per Honda manual page 172K&N 2008 Honda S2000 2.2 L oil filter application
Source ↗Manufacturer application for HP-1004; retain Honda service intervals, not product marketing mileage.
US; 2008 Honda S2000 2.2 L, all modelsReplacement oil filter: 2008 S2000 2.2L L4 Gas; All Models; HP-1004 product link