Design User guide

❏ 3. Attach the water-cooling line to the rudder water pick-up
nipple as shown.
3-CHANNEL OPERATION
The V24 One-Design features a variable strut unit that can be
adjusted manually or controlled by an optional third servo.
Installation of a third servo will require that you replace the
included radio gear with a 3-channel radio system.
As the boat is propelled forward and the speed increases,
the nose of the boat should lift out of the water slightly.
Adjusting the strut angle allows the propeller and engine to
work at maximum efficiency so the boat can reach faster
speeds (See Propeller Thrust Angle feature on page 12 and
3-Channel Operation feature on page 13).
CHECK THE RADIO SYSTEM:
• Standing behind the boat with both the transmitter and
receiver powered up, rotate the wheel to the left.The back
of the rudder should move towards the left. Move the
wheel to the right. The back of the rudder should move
towards the right. If this is not the case, simply move the
steering servo reverse switch to the other position.
• Squeeze the trigger on the transmitter; this should open the
throat of the carburetor. If this is not the case, simply move
the steering servo reverse switch to the other position.
The D/R knob located on the handle of the transmitter is the
steering rate adjustment. Turning the knob increases or
decreases the rudder movement.
SPARK PLUG
The recommended spark plug is a Champion RCJ-6Y. To
avoid improper operation or possible engine damage, do not
use any other type of spark plugs. The plug gap should be
0.016" to 0.024" [0.4mm to 0.6mm]. If the plug gap is
incorrect, adjust it with a spark plug gapping tool, wash it
with gasoline and allow it to dry completely before you
reinstall the plug in the engine.
FUEL
Once the engine is broken in, use 40:1 (2.5% oil) fuel/oil
mix. Always use high quality oil intended for 2-cycle engines.
Prepare only the amount of gasoline needed. Aged gasoline
could damage the engine and cause it to overheat.
Use only low octane, alcohol-free gasoline. The carburetor
diaphragm will gradually deteriorate if you use gasoline with
alcohol. You will need to replace the diaphragm after about
80 hours of operation if you use gasoline with alcohol.
Fuel can go bad. Store your fuel out of the sunlight and in a
cool place. Bad fuel is one of the most difficult problems to
diagnose in engines. If you have tried everything you can
think of to remedy an engine that is not running correctly, try
using some fresh fuel.
OVERHEATING
One of the worst things you can do to your engine is
overheat it. The oil that lubricates the engine is carried in the
fuel. If your engine is set too lean, there will not be enough
oil in the engine to lubricate the internal parts. This will
cause premature wear in the engine and cause damage.
ENGINE ADJUSTMENTS
• Always make high and low-speed needle adjustments
while the engine is not running.
• Adjust the needle marked “H” for high-speed RPM. Adjust
the needle marked “L” for low-speed RPM.
NORMAL HIGH- AND LOW-SPEED NEEDLE SETTINGS:
It is not necessary to change the needle settings if the engine
runs smoothly. Normally only the “H” needle will need
adjustment from time to time and only by a small amount.
H: Open the needle 3/4 of a turn from the closed position
(±1/4 of a turn in cold weather).
L: Open the needle 1-3/8 turns from the closed position
(±1/4 of a turn in cold weather).
Only adjust the high and low-speed needle within the
above range.
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