Overview

The performance optimised ZZ.21S engine stands for 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 set up. Developed for club racing with Davide Ongaro.

Features

• New CoolDownMax cylinder head - Improved cooling and higher efficiency through new cooling fin arrangement
• 8 + 2 Ports
• XTEC T6 engine housing - Especially reinforced heavy duty engine housing for toughest off road action
• XTEC heat-insulated WorksTeam carburettor, aluminium venturi inserts in 6.5mm and 7.5mm included
• Turbo combustion chamber for use with Turbo Style glow plugs
• Universal fit - Fits all major .21 engine mounts
• Oversized shock spring diameter (no problem with the spring touching the shock body during movement)

Specifications

• RPM - 35.000 U/min
• Cubic capacity - .21 (3.49ccm)
• Power - 2.8 PS
• Class - 1/8 Buggy/Truggy
• Number Channels - 8+2