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ZZ.21S SPORT COMPETITION
The performance-optimised ZZ.21S engine stands for an unequalled power delivery, satisfying every
demand. This perfect replacement tuning engine for existing .21 RTR engines features a special
timing for even more power compared to its forerunner. And the engine still stays super easy to
setup. Developed for Club Racing with Davide Ongaro.
TECHNICAL DATA
- Cubic capacity: .21 (3.49 ccm)
- Bore: 15.88mm
- Hub: 17.60mm
- Power: 2.8 HP
- RPM: 35.000 RPM
- Number Channels: 8 + 2
- Glow Plug: LRP Standard WT4 (No. 35140) included
- XTEC thermal protected WorksTeam carburator 7,0mm, Aluminium 6,5 and 7,5mm inserts included
- Weight: 363g
- Class 1/8th Offroad Buggys/Truggys for competitiom use