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Troubleshooting guide, Maintenance, 40nx evolution engines specifications – Evolution Engines 40NX RC User Manual

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11

Troubleshooting Guide

Engine Won’t Fire

• Glow starter not charged

- Charge glow starter

• Glow plug burnt out

- Replace glow plug

• No fuel is getting to the carburetor

- Check tank, fuel lines reversed

• The starter is reversed

- Reverse the polarity on the starter cables

Engine Quits Repeatedly

• Needles need adjusting

- See adjustment procedure

• Bad or old fuel

- Replace with fresh fuel

• Worn out glow plug

- Replace with new EVOGP1 glow plug

Engine Runs Inconsistently

• Hole in fuel line

- Replace fuel line

• Bad or old fuel

- Replace with fresh fuel

Maintenance

After each flying session:

1. Fully drain the fuel from the tank.
2. Start the engine and run it until the fuel is

completely run out of the engine.

3. Try starting the engine three more times or until

it will no longer fire. This gets all the fuel out of
the engine.

Now add several drops (about 10) of after-run oil
(EVOX1001 Evolution Engine's Blue Block Rust Inhibitor)
should be applied into the carburetor and the engine
should be turned over for a few seconds with the starter.
This will prevent rust and corrosion.

If you need additional help or have any questions, please call
the appropriate Horizon Product Support department. Horizon
has trained technicians who are qualified to answer your
engine questions.

Disp

Bore Stroke Weight Crank K

Items

(c.i.) (mm) (mm)

(oz)

(ISO)

Cylinder

Propeller

EVOE0401

.41

21.7

18.2

10.0

1/4 x 28

ABC

10 x 6 APC @ 14,100 RPM

.40NX Evolution Engines Specifications

Dimensions (mm)

A

B

C

D

E*

F

G

H

EVOE0600

30

38

15

47

78

78

1/4 x 28

35

F

H

G

A

D

C

E = height*
F = length
G = crankshaft thread size
H = muffler bolt spacing

B

* Height is from engine C/L to top of cylinder head