The Porsche Boxster 986 (1997–2004) is the first-generation Boxster, Porsche's entry-level mid-engine roadster. The 2005 Porsche Boxster (986) factory service manual documents the specific mid-engine flat-six for this model year.
Mid-Engine Flat-Six Service
The 986's mid-mounted flat-six requires precise oil specification and valve clearance service documented in the factory manual, including the intermediate shaft bearing inspection criteria — a well-documented maintenance item on this generation's engine.
What This Boxster (986) Manual Covers
- Flat-six engine — oil specification, IMS bearing inspection, valve clearance
- Manual or Tiptronic transmission fluid specification and service
- Convertible top mechanism diagnostic procedures
- Complete electrical diagrams for all trim levels