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
If it fails: lemon-manuals.org.ua

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System Specifications

CO CONTENT [1] 0.3 - 1.2% vol.

DECELERATION DAMPER
Between limit screw and throttle lever, plunger touching roller
Air gap 0.098 - 0.138 in. (2.5 - 3.5 mm)

ENGINE RPM CUT-OFF [2] 6200 - 6500 rpm

FUEL PUMP
Minimum in 30 seconds with 12 volts 17.0 fl.oz. (500 cc)

IDLE SPEED [1]
A/C OFF 840 ± 40 rpm
A/C ON 870 ± 40 rpm

IGNITION TIMING [1] 12° BTDC

SPARK PLUGS
Plug I.D. Bosch FR 8 DS
Gap 0.024 in. (0.6 mm) max.

[1] CHECKING VALUES ONLY, cannot be adjusted. ECM controlled, no adjustment provisions given, distributor moment not possible.

[2] Maximum RPM limit is ECM controlled.