The document serves as a comprehensive guide for the O.S. Engines MAX-21RZ-M, an ultra high-performance 3.5 cc class power unit designed specifically for radio-controlled model racing boats. It emphasizes strict adherence to safety warnings regarding fuel toxicity, carbon monoxide exhaust, and hot engine parts.
| Displacement | 3.46cc (0.2110u.in.) |
|---|---|
| Stroke | 16.0mm (0.630in.) |
| Power output | 2.4BHP/32,000r.p.m. |
| Practical A.P.M. | 13,000 ~ 40,000 r.p.m. |
| Weight | 284g (11.51oz.) |
No, the manufacturer does not recommend running the boat on the sea or in any other salt-water environment due to corrosion risks.
Use only top quality model two-stroke engine fuel containing at least 18% lubricant.
The recommended O.S. glowplugs are types R5 and AS.