Great Power Engine GP-88 EVO Benutzerhandbuch - Seite 8

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low needle setting is not too rich. (2) Check the balance of the propeller and

spinner.(3)Ensure the engine's mount bolts are secure. (4) Check the ignition timing (bad

ignition timing could cause severe damage). (5) Check the structure of the engine box

and firewall on your plane.

Please note that as a high performance two-stroke engine, certain parts of the GP____ may wear

out more quickly than others. Piston rings, needle bearings, pistons, spark plugs etc. may need

to be occasionally replaced outside of the warranty in order to maintain peak performance.

Please check the condition of the screws on the engine, firewall and propeller regularly to ensure

the screws are not loose and have not fallen out. Also check that all screws are tight to the

required torque rating on a regular basis. The following chart lists the size of the screws and

torque specifications.

Spark Plug

Aluminum Crankcase Bolts

Aluminum Cylinder Base Bolts

Ignition Wire Diagram

Maintenance

Item

Torque Specification

100-110 in. lbs.

90-100 in. lbs. (We strongly recommend

to replace new screws, do not re-use

90 in. lbs. (We strongly recommend to

replace new screws, do not re-use them)

them)