EN
13
Replacement Parts
Optional Parts
Part #
Description
EFL7750
Viper 70mm EDF BNF Basic
EFL7775
Viper 70mm EDF PnP
EFL7701
Fuselage: Viper 70mm
EFL7702
Main Wing Set: Viper 70mm
EFL7703
Vertical Stabilizer: Viper 70mm
EFL7704
Horizontal Stabilizer: Viper70mm
EFL7705
Cockpit: Viper 70mm
EFL7706
Front Landing Gear Set:Viper70mm
EFL7707
Main Landing Gear Set: Viper70mm
EFLG7708
Front Landing GearSystem:Viper70
EFLG7709
Main Landing Gear System:Viper70
EFL7710
Landing Gear Cover: Viper 70mm
EFL7711
Linkage Rod: Viper 70mm
EFL7712
Control Horns: Viper 70mm
EFL7713
Wheel Set: Viper 70mm
EFL7714
Screw Set: Viper 70mm
EFL7715
Decal Sheet: Viper 70mm
SPMA380
Servo: 9g digital metal gear
SPMA380R
Servo: 9g digital metal gear
EFLA1070EC5
70A ESC, EC5
EFLM1850
Motor 2860 KV1850 Yak 130
FLG130
Nose Gear Retract Mechanism
EFLG131
Main Gear Retract Mechanism
Part #
Description
SPMAR636
AR636 6-Ch AS3X Sport Receiver
SPMR12000
iX12 12 Channel Transmitter Only
SPMR6750
DX6 Transmitter Only MD2 G3
SPMR8000
DX8 Transmitter Only MD2
SPMR8100
DX8e 8CH Transmitter Only
SPMR9910
DX9 Black Transmitter Only MD2
Problem
Possible Cause
Solution
Control surface does
not move
Control surface, control horn, linkage or servo damage
Replace or repair damaged parts and adjust controls
Wire damaged or connections loose
Do a check of wires and connections, connect or replace as needed
Transmitter is not bound correctly or the incorrect air-
planes was selected
Re-bind or select correct airplanes in transmitter
Flight battery charge is low
Fully recharge flight battery
BEC (Battery Elimination Circuit) of the ESC is damaged
Replace ESC
Controls reversed
Transmitter settings are reversed
Perform the Control Direction Test and adjust the controls on transmitter appropriately
Motor power pulses
then motor loses
power
ESC uses default soft Low Voltage Cutoff (LVC)
Recharge flight battery or replace battery that is no longer performing
Weather conditions might be too cold
Postpone flight until weather is warmer
Battery is old, worn out, or damaged
Replace battery
Battery C rating might be too small
Use recommended battery
