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GhostBikes.com£118.99Visit shop Naraku Anthracite Nk103.74 - 70Cc Cylinder Kit V.2 For Gilera Rcr 50 2018-2020
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This Naraku 70cc Cylinder Kit V.2 is designed for Gilera RCR 50 models with D50B engines from 2018 onwards (Euro4). It offers a significant boost in torque and acceleration, making it ideal for daily drivers seeking enhanced performance without excessive noise or high revs. A key caveat is the necessity to adjust carburettor jetting or upgrade the carburettor for optimal performance.
| Model Part Number | NK103.74 |
|---|---|
| Brand | Naraku |
The primary benefit is a significant increase in torque and acceleration, making the scooter more responsive for daily riding.
This kit is designed to be adapted to the original D50B cylinder and is generally a direct replacement, but always refer to specific installation instructions for your model.
It is recommended to increase the carburettor jetting by approximately 7-10% if using the original carburettor, or to use a sports carburettor (e.g., 19mm).
The focus of this kit is on torque and acceleration rather than high revs and noise, so it should not significantly increase noise levels compared to a high-revving kit.
No, this kit is specifically designed for D50B engines built from 2018 onwards (Euro4).
Yes, this Naraku cylinder kit is suitable for use with both standard and sports exhaust systems.
Yes, Naraku exclusively offers this kit with a matched 70cc cylinder head.
Verify carburettor jetting has been increased or a suitable sports carburettor is installed. Check for air leaks in the intake system. Ensure the exhaust system is not overly restrictive.
Confirm correct oil-to-fuel mixture if applicable. Check for proper coolant circulation (if liquid-cooled). Ensure the carburettor is jetted correctly to prevent a lean condition. Consider a larger radiator if experiencing persistent overheating under load.
Check spark plug condition and gap. Inspect the air filter for cleanliness. Verify the carburettor is properly adjusted and free of debris. Ensure all electrical connections are secure.
Ensure fuel delivery is adequate. Check spark plug for spark. Verify compression is within expected range. Make sure the engine is timed correctly.
Compatibility: This kit is specifically designed for D50B engines manufactured from 2018 onwards (Euro4) in models like the Gilera RCR 50. Ensure your engine meets these specifications before installation.
Setup Recommendations:
Care: As with any engine component, regular maintenance is crucial. Ensure proper oil levels and a clean air filter to maintain optimal performance. Due to the increased displacement, monitor engine temperature closely, especially under heavy load. Regularly check for any signs of wear or leaks.
