O.S.SPEED R21-M06 Marine Engine - Minicars Special Edition
| O.S.Speed R21-M06 Marine Engine Minicars Special Edition |
| This is the new 2025-edition Minicars Marine Special Edition O.S.Speed R21-M06 3.5cc long-stroke competition engine. The R21-M06 has a new piston & liner, a new conrod, a new crankshaft & a ceramic main ball bearing. |
| New Features (vs the R21-M05 '24): |
| • DLC coated & balanced R21 Euro-II crankshaft with more timing • 9-port cylinder liner with 3-port exhaust piston with 3 oil-grooves • Ceramic main ball bearing • Reinforced "R" conrod • RP6 Turbo plug (instead of RP7) |
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