Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Pressure/Variation

Minimum Compression Pressure Test cylinder for leaks if minimum compression pressure is below specification. Since July 1987 the engine number is followed by the compression ratio. It is thus possible to clearly distinguish from the outside between a normal and a low compression engi	Normal Compression Engine	8.5 Bar (bar)
	Low Compression Engine	7.5 Bar (bar)
Permissible Differenece between Individual Cylinders (Max.)		1.5 Bar (bar)