User Manual

1)Engine does not start A) Failed glow plug A) Replace glow plug with a new one
B) Glow Starter not charged and/or faulty B) Fully charge glow starter and/or replace
C) Engine not being turned over fast enough C) Use an electric starter to start engine
D) Idle mixture screw set too lean D) Reset idle mixture screw to factory setting
E) Old or contaminated fuel E) Replace with new fuel
F) Engine flooded with too much fuel F) Remove glow plug and expel fuel from cylinder
G) Faulty fuel tank and/or stopper assembly G) Check and/or replace fuel tank assembly
H) Air leak in fuel system and/or engine H) Replace fuel lines and/or tighten all engine bolts
I) Valves out of adjustment I) Readjust valves to correct setting
2) Engine does not draw fuel A) Air leak in fuel system and/or engine A) Replace fuel lines and/or tighten all engine bolts
B) High Speed Needle Valve fully closed B) Reset high speed needle valve to factory setting
C) Idle mixture screw set too lean C) Reset idle mixture to factory setting
D) Fuel lines kinked D) Check and straighten fuel lines
E) Defective fuel tank E) Replace fuel tank
3) Engine vibrates excessively A) Propeller out of balance A) Balance propeller
B) Engine and/or motor mount loose B) Tighten all motor mounting bolts
4) Engine does not transition A) Failed and/or wrong type glow plug A) Replace with new recommended glow plug
B) Old and/or wrong type fuel B) Replace with new recommended fuel
C) High speed needle valve set too rich C) Reset high speed needle valve to leaner setting
D) Idle mixture set too lean D) Set idle mixture richer
E) Idle mixture set too rich E) Set idle mixture leaner
F) Air leak in fuel system and/or engine F) Replace fuel lines and/or tighten all engine bolts
G) Propeller too large G) Replace with one size smaller propeller
H) Valves out of adjustment H) Readjust valves to correct setting
5) Throttle barrel does not A) Throttle servo linkage out of adjustment A) Adjust throttle linkage to close throttle barrel
close completely B) Idle stop screw out of adjustment B) Readjust idle stop screw so throttle barrel closes
6) Engine Overheats A) Engine running too lean A) Richen high speed needle valve
B) Cowl too restrictive B) Open larger vents in cowling to allow air to exit
C) Wrong type of fuel used C) Use fuel with recommended oil content
D) Engine not fully broken in D) Allow engine further break-in time
7) Engine stops abruptly A) Engine running too lean A) Richen high speed needle valve
This troubleshooting guide has been provided to help you diagnose and solve most problems that you may encounter with your Magnum XL
.61RFS engine. Most problems encountered can be solved by carefully following the problem-cause-solution sections below. If you cannot solve the
problem using this troubleshooting guide, please feel free to contact us at the address, phone number or email address listed below.
TROUBLESHOOTING GUIDE
PROBLEM
CAUSE
SOLUTION
All Magnum engines returned for warranty service must be within the warranty terms as stated on the warranty card provided with your engine. Do not return the engine to the place of
purchase. They are not authorized or equipped to perform warranty work on Magnum products. When requesting warranty service, please observe the following:
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Always send the complete engine including the carburetor and muffler. The engine must be removed from the model.
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Include a note detailing the problem or service you are requesting. Service cannot be provided without this information. Include your daytime phone number in the event we need more
details pertaining to the service requested.
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You may request an estimate of services at the time you return your engine for service. An omission of this request implies permission for the Magnum Service Center to service your
engine at our discretion.
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Include a method of payment for any service charges. If not specified, the unit will be returned to you C.O.D.
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Send the engine to us by United Parcel Service, Federal Express or by Insured Mail. Postage is not refundable. Send to:
Magnum Service Center
18480 Bandilier Circle
Fountain Valley CA 92728
Phone [phone] Fax [phone] E mail: [e-mail]
RETURNING FOR SERVICE