Instruction manual
EN
7
Adjusting the Throttle Opening
1.  Lower the throttle and center the throttle 
trim.
2. Adjust the length of the throttle linkage 
until the throttle is open 1mm.
3. Move the throttle stick up to conrm the 
throttle opens. If the throttle does not 
open, reverse the throttle channel in your 
transmitter.
4. Move the throttle stick and throttle trim 
down to confirm the throttle closes.
5. If you reversed the throttle channel in your 
transmitter and you are using a 2.4GHz 
radio system, you must re-bind your radio 
system to set the correct failsafe position.
Attaching the Fuel Lines
Fuel Line
Vent Line
1. Connect medium diameter FKM fuel line to 
the carburetor and the fuel tank supply line.
2. Connect medium diameter FKM fuel line 
to the muffler pressure nipple and the fuel 
tank vent line.
Vent Line
Fuel Line
RECOMMENDED PROPELLERS
13 x 6–15 x 6 (14 x 6 has tested to be the 
best performer with this engine, although 
the performance is very good throughout the 
recommended range)
1.  Remove the prop nut and prop washer from 
the crankshaft.
2. Install the spinner backplate, followed by 
the propeller, prop washer and prop nut.
3. Cover the propeller with a cloth and use an 
adjustable wrench to tighten the prop nut. 
Aftermarket muffler (BIS04091) shown. 
Not included.
4. Install the spinner cone. Make sure the 
spinner cone is not touching the propeller. 
Trim the propeller opening if necessary.
5. Tighten the spinner screw(s) to secure the 
spinner cone. 
Attaching the Propeller and Spinner










