Original NGH GTT70 Horizontally-opposed Twin-cylinder 69.9CC 2-Stroke Air Cooled Gasoline Engine fo

This GTT70 engine has been developed by NGH engineers to offer all hobbyists a new 2-stroke engine. Besides, this gasoline is extremely flammable, so we should be care of any sparks from electrical contacts. You will be delighted with this stability, fuel economy, plenty of power of your new GTT70 engine. Moreover, you will enjoy with this new engine, and you have many fun and safe flying experience with its use.


Features:
Engine type two stroke gasoline.
High precision and performance.
Excellent quality and durable in use.
Strong stability, fuel economy, plenty of power.
Suitable for 3D pilot extra 260-330 class edeg 540 fixed wing RC airplane.

Specifications:
Brand name: NGH
Model name: GTT70 twocylindertwo-strokegasolineengine
Power source: Gasoline
Cylinders: Twin
Displacement: 69.9cc (2 * 34.95cc)
Bore: 37.3mm
Stroke: 32mm
Carburetor: Walbro WT664A
RPM range: 1600 - 8000rpm
Max output: 7.9HP/8300rpm
Ignition: NGH automatic advancing angle ignition
Ignition power: DC 4.8V - 8.4V 1000mAh
Suggested propeller: 23 * 8-10, 24 * 8-10 (two blades)
Spark plug type: CM6
Fuel: Number 90 unleaded gasoline + fully synthetic lubricants (non-4-stroke lubricants)
Break-in fuel ratio : oil : lubrication= 35 : 1
Ignition weight: 156g (wires included)
Engine weight: 1890g (wires included)

Package Information:
Package size: 25.7 * 17.8 * 11.4cm / 10.1 * 7.0 * 4.5in
Package weight: 2782g / 6.13lb
General gift box package

Note:
This RC engine is not a toy and is not suitable for children under 15 years old.
Carefully read the instruction before operating and be familiar with features of this product.
Due to different monitors, the computer shows a slightly different kind of colors.

Package List:
1 * NGH GTT70 2-Stroke Gasoline Engines
1 * Twin-cylinder Ignition
1 * Connecting Line
2 * Exhaust Pipe
1 * Fuel Pump
2 * Spark Plug
1 * Mounting Bracket
2 *Wrench
2 * Screw Set
1 * English Manual

FAQ of the engine:
1.Starting the engine
According the engine connection method, install the engine on RC airplane.
Made the carburetor initial setup andconnect the electronic ignition.
Put the fuel into the oil tank, connect the power and radio control equipment.
2.Fuel Pump Failure Removal
When oil supply failure, please check the connection of fuel pump.
Open the both sides of the cover plate and then check whether the diaphragm.
Clean the regulator float hole.
3.Engine Failure Removal
Check the electric circuit and oil line ofengine.
Check the electronic ignition works or idle is rough or its power supply is adequate.
Check theSG spark gap of spark plug is between 0.5mm and 0.6mm.
4.Engine Maintenance
Adjust the engine’s highest speed.
Make engine run in the output maximum speed of 90% once the gas full opened.
Make sure to empty the fuel pump after each flight.
Clean the engine surface after used each time, it can makethe engine get better cooling.
5.Engine Guarantee
Charge for free within one year and Guarantee within two years since the date you purchased.
Note theguarantee is only for the original purchaser.