,
ENGINE ,MECHANICAL ‘& EriZjinb T.ufi&up
$&p&a
,. I ,.,, (..,..,
-. .,
_
69,
7.
8. .
RACE ENGINE AT 2,500 RPM APPROX. 2 MINUTES.,
IkRT TESTING PROBE OF HCKO METER INTO TAIL
PIPE AT a0 cm (1.3 ftt)
MEAS,URE HC/CO CONCENTRATION AT IDLE
Wait $t lest one minute before measuring to allow the
concentration to stabilize.
Complete the measuring within -three minutes.
Idle CO concentration:
0 - 0.5 %
If the CO/HC concentration do& not conform to your
regulations, see the table in page EM-20 for possi,ble
cause+.
I