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

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Mechanical Specifications

Air Fuel Mixture
CO content [1] less than 10 %

Firing Order 1-3-4-2

Idle Speed
M/T [2] 800 ± 50 rpm
A/T [2] 800 ± 50 rpm

Ignition Timing
At Idle Speed 15° ± 2° BTDC

Spark Plug Gap:
Platinum Plugs 0.039 - 0.043in (1.0 - 1.1mm)
Conventional Plugs 0.031 - 0.035in (0.8 - 0.9mm)



Valve Adjustment Hydraulic

[1] At idle with 2.5 K ohm resistor in place of engine temperature
sensor and with A.I.V and O2 sensor disconnected.
[2] At operating temperature and transmission in neutral.