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

Tune-Up Specifications



ENGINE B280F
CO 0.6%
CO-LIMITS 0.2 - 1.0%
TIMING 16° +/- 2 BTDC
IDLE RPM 750 +/- 20
Remarks:
-to check CO: with Lambda Sond disconnected
when reconnected, CO should drop below 1.0%
-to check timing: no adjustments possible