O.S. Engines makes model engines and accessories for radio-controlled aircraft and cars, with instructions covering safe installation, operation, tuning and maintenance.
O.S. Engines makes model engines and accessories for radio-controlled aircraft and cars, including four-stroke gasoline aircraft engines and glow-powered model car engines.
Find manuals covering installation, fuel requirements, starting, running-in, carburetor adjustment, and maintenance. Match instructions to your exact model and version, and read all safety warnings before operating the engine.
For repairs beyond routine maintenance, consult your supplying hobby shop or your country's O.S. distributor service center.
Selected manuals from manuals+ curated for this brand.
Additional documents are a limited selection. Search all manuals.
Common questions about manuals, registration, and support for this brand.
Match the full model name and version on your engine to the manual, such as GF40, GF30II, or MAX-12TG Ver.IV. Instructions can differ between versions.
Read the complete model-specific manual, especially its safety warnings, installation requirements, fuel guidance, and starting and running-in procedures. Never operate a model engine indoors.
No. Gasoline and glow engines have different requirements, and settings vary by model. Use only the fuel specifications and adjustment procedures in your engine's manual.
Consult the hobby shop where you purchased the engine or your country's O.S. distributor service center, particularly for work beyond the maintenance described in the manual.