Cleaning the Air Filter:
The air filter is of the so-called dry type. It is opened by removing the screws keeping the air
filter in place. After that remove the cap and the filter. At the end of the boating season clean the
filter with gasoline. Do likewise any time you have reason to believe that impurities in the air flow
have entered the filter.
ADJUSTMENTS:
Adjusting the Carburetor
Idling
Clean and check the spark plug gap. Open the screw regulating idling fuel flow 1.5 times (4, Fig.
6). Run the engine warm. Wile keeping the engine under load adjust idling by adjustment screw
(2) maintaining 1000-1100 RPM. At this RPM the engine runs >four-cycle'. Remove load and
check that RPM is not more than approximately 1300. If RPM is greater. adjust setting of
adjustment screw (2) until 1300 RPM is achieved.
Full Power
With the gear engaged and full throttle. adjust fuel needle valve (5) until full output is achieved.
This is usually achieved when the needle valve is opened 3/4 to 1 turn.
Adjusting The Magneto breaker Point Gap
Remove the pulley wheel arid rotate the crank shaft till the breaker point gap is at its largest.
Measure the gap with a feeler gauge: it should be 0.45 mm. The gap can be adjusted by loosening
screw (1. Fig. 8) and turning point (2) from notch(A) with a screwdriver. Tighten screw (1).
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