Thank you for choosing a Magnum XLS series aircraft engine. The XLS
.15A is a single cylinder, two-cycle engine incorporating ABC (Aluminum
piston, Chrome plated Brass sleeve) technology for long life, high power
output and easy break-in. A dual needle valve carburetor for precise
fuel/airflow metering is standard. The XLS .15A also features a dual ball
bearing-supported crankshaft and a dual bushing-supported connecting
rod. Your Magnum XLS series engine was designed by expert engineers
and built by master craftsmen using only the highest quality materials and
CNC machinery. These qualities provide the long life and dependability you
have come to expect from an engine of this caliber.
Magnum XLS series model airplane engines will consistently give you
dependable performance and reliability and will be a source of satisfaction
and pleasure if you follow these instructions as to the engine’s proper and
safe use. You alone are responsible for the safe operation of your engine,
so act sensibly and with care at all times. This Magnum XLS series model
airplane engine is not a toy. It is a precision-built machine whose power is
capable of causing serious injury to yourself and others if abused or misused,
or if you fail to observe proper safety precautions while using it.
●
Keep spectators, especially small children, at least 20 feet away from the
engine while it is running.
●
Mount the engine securely in the airplane or on a suitable engine test stand
to run the engine. Follow the mounting instructions in your kit's instruction
manual or on the plans for individual mounting recommendations. Do not
clamp the engine in a vise to test-run it.
●
Use the recommended size propeller and follow the proper procedure for
mounting the propeller. Use the correct size wrench to tighten the propeller
nut. Do not use pliers.
●
Inspect the spinner, propeller, and propeller nut on a regular basis, looking
for any signs of nicks, cracks or loosening.
●
To stop the engine, adjust the throttle linkage to completely close the throttle
barrel and therefore cut off the fuel/air supply. You can also pinch the fuel
line to stop the engine, but only if it is accessible. Do not throw anything into
the spinning propeller or attempt to use your hands to stop the engine.
●
While the engine is running, stand behind the engine to make any adjustments
to the needle valves. Do not reach over or around the propeller. Do not
lean toward the engine. Do not wear loose clothing or allow anything to be
drawn into the spinning propeller while the engine is running.
●
If you need to carry your model while the engine is running, be conscious
of the spinning propeller. Keep the airplane pointed away from you and
others at all times.
●
Do not use a tight-fitting cowling over the engine. It can restrict air from
flowing over the engine, which could result in engine damage from overheating.
For proper cooling, the total cowling air-exit area should be 30% greater than
the total air-intake area.
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Displacement ................................................. 2.486cc
Bore ............................................................... 15.2mm
Stroke ............................................................ 13.7mm
Practical RPM ................................................ 2,500 - 18,000
Weight w/Muffler
............................................ 6.8oz
●
ABC Piston and Sleeve
●
Dual Ball Bearing-Supported Crankshaft
●
Dual Bushing-Supported Connecting Rod
●
Lightweight, High Power Output
●
Anodized Cylinder Head
Engine Orientation
Your XLS series engine can be orientated in any position on the firewall. Keep
in mind that when the engine is mounted inverted, carburetor adjustments
will need to be made differently and the fuel tank may need to be lowered.
(See fuel tank size and orientation to carburetor on the next page.)
XLS .15A AIRCRAFT ENGINE
SPECIFICATIONS AND FEATURES
INTRODUCTION
BECOMING FAMILIAR WITH YOUR ENGINE
If you are familiar with the operation of model engines or just can't wait to
run your new engine, please read through the Quick Start Guide included.
This guide will help you get started right away and also includes some
good recommendations. We do recommend reading through these operating
instructions in their entirety to familiarize yourself with the features and
operation of your new engine. We have also included a Troubleshooting
Guide should you encounter any problems.
Please use the photos below to familiarize yourself with the components of
your new Magnum XLS series engine.
CAUTION - PLEASE READ!
ENGINE INSTALLATION
XLS .15A
AIRCRAFT ENGINE
OPERATING
INSTRUCTIONS
P/N 210605
Muffler
Muffler Cone
Cylinder Head
Carburetor
Assembly
Crankshaft
Propeller Nut
and Washer
Drive Washer
Crankcase
Fuel Nipple
Rotor Bolt
Throttle Arm
Detent Spring
High Speed
Needle Valve
Low Speed
Needle Valve
Due to running manufacturing changes
and improvements, your engine may
differ slightly from that shown.
