The performance-optimised ZR.21 Spec.4 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.
The perfect entry into the LRP Nitro engine world.
Features:
- Replacement tuning engine for existing .21 RTR type engines
- Best value for money
- XTEC
PowerCarb3 15S-2 carburettor - Flow optimised carburettor with 9.0mm
inlet for maximum power and easy adjustability at the same time
- Universal fit - Fits all major .21 engine mounts
- 3 + 1 Ports
- Standard burn room - Guarantees easy adjustment of the engine in all conditions
- XTEC T6 engine housing - Especially reinforced heavy duty engine housing for toughest offroad action
- Power Start capable - Prepared for the use of the LRP Power Start for starting the engine at the push of one button
Specifications:
| Cubic capacity | .21 (3.49 ccm) |
| Bore | 16.40mm |
| Hub | 16.40mm |
| Power | 2.15 HP |
| RPM | 35.300 |
| Number Channels | 3 + 1 |
| Glow Plug | LRP Standard R5 |
| Carburetor | XTEC PowerCarb 2 |
| Weight | 410g |
| Class | 1/8th Offroad |
