This manual provides a detailed introduction to the structure, parts, operation methods and maintenance methods of OS engines.
This document provides operating instructions for the O.S. MAX-21VG Series engine, which includes models MAX-21VG-P, MAX-21VG-PX (with recoil starter), and MAX-21VG-P ES (for Roto Starter). Designed for 1/8 scale radio-controlled cars, these rear exhaust engines feature a Pilot Shaft crankshaft compatible with Centrax type clutches.
| Intended Application | 1/8 scale R/C cars |
|---|---|
| Crankshaft Type | Pilot Shaft (SG shafts) |
| Carburetor Type | 21F |
A commercially available two-stroke engine fuel containing 10-30% nitromethane, with a recommendation to start at 20%.
No, do not attempt to disassemble it as a strong spring inside may be ejected suddenly.