POWERED BY TECHNOLOGY
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MIKE TRUHE
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MARTIN BAYER
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YANNIK AIGION
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MATT CASTELLANO
PRODUCT
The NVB521 and NVB521-Race combine CRF technology with a crankshaft that contains some of the most advanced technology available in today's RC engine market. Each engine was designed to optimize the performance of 1/8-scale nitro buggies.

NVO0002
NVB 521 RACING ENGINE .21 OFF ROAD 5 PORT
FEATURES
- Special alloy case designed specifically for the nVision lineup
- Lightened heat sink
- 7mm carb restrictor and a billet piston
- Crankshaft contains conical inserts and angled holes that help created
mind-blowing acceleration - Higher top-end speeds along with improved fuel economy
SPECIFICATION
| Type: | 2-Stroke |
| Displacement: | .21 |
| Bore: | 16.2mm |
| Stroke: | 16.9mm |
| Engine (Only) Weight: | 360g |
| RPM Range: | 37,000 |
| Front Bearing Size: | 7 x19 x 6mm, High Speed Double Flange (Swiss made) |
| Rear Bearing Size: | 14.2 x 25.3 x 6.3mm High Speed |
| Cylinder Type: | ABC Precision Liner |
| Number of Ports: | 5+2 |
| Carb Type: | 2 Needle, Aluminium |
| Crank Type: | Patented CRF, Balanced SG Shaft |
NVO0003
NVB 521 ENGINE .21 OFF ROAD 5 PORT
FEATURES
- Special alloy case designed specifically for the nVision lineup
- Lightened heat sink
- 7mm carb restrictor and a billet piston
- Crankshaft contains conical inserts and angled holes that help created
mind-blowing acceleration - Higher top-end speeds along with improved fuel economy
SPECIFICATION
| Type: | 2-Stroke |
| Displacement: | .21 |
| Bore: | 16.2mm |
| Stroke: | 16.9mm |
| Engine (Only) Weight: | 360g |
| RPM Range: | 35,000 |
| HP: | 2.8HP |
| Front Bearing Size: | 7 x19 x 6mm, High Speed Double Flange |
| Rear Bearing Size: | 14.2 x 25.3 x 6.3mm High Speed |
| Cylinder Type: | ABC Precision Liner |
| Number of Ports: | 5 |
| Carb Type: | 2 Needle, Aluminium |
| Crank Type: | SG Shaft |
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TUNED PIPES
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GLOW PLUGS
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