Operation CHARM: Car repair manuals for everyone.
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

Service Specifications

Main Bearing
Oil clearance 0.025 - 0.037 mm {0.0010 - 0.0014 inch}
Maximum 0.08 mm {0.0031 inch}

NOTE: If the oil clearance exceeds the maximum, grind the crankshaft and use the undersize main bearings.