fits model: T120, Tr6, Bonneville, Tiger. make: Triumph. year: 1969–1970.

( Manufacturer Part Number: E4494 ), ( Part Type: Crankshaft Crank ), ( Country/region Of Manufacture: United Kingdom )
The E4494 1969-1970 Triumph T120 TR6 Lightened Crankshaft is a high-performance upgrade for your classic Bonneville Tiger 650cc. This crankshaft is meticulously crafted to reduce weight, thereby enhancing engine performance and overall bike handling.
The lightened crankshaft features precision-machined journals for improved crankshaft end float, ensuring smoother operation and less vibration. This results in a more balanced, quieter engine that delivers improved power and torque. The crankshaft is also carefully balanced to minimize rotational forces, reducing wear on bearings and extending the life of your engine.
The E4494 crankshaft is designed to fit 1969-1970 Triumph T120 TR6 models, as well as later Bonneville Tiger 650cc models from 1970 to 1997. It is a direct replacement for the original crankshaft, making installation straightforward and hassle-free.
This lightened crankshaft is not just an engine upgrade, but also a visual enhancement. The polished finish gives it a sleek, modern look that complements the classic styling of your Bonneville Tiger. It's a great way to boost your bike's performance while maintaining its original charm.
In summary, the E4494 1969-1970 Triumph T120 TR6 Lightened Crankshaft is a high-quality, performance-enhancing upgrade for your Bonneville Tiger. It's precision-machined, balanced for smooth operation, and designed to fit a wide range of T120 TR6 and Bonneville Tiger 650cc models. Its polished finish adds a touch of modern elegance to your classic bike, making it a worthy investment for any Triumph enthusiast.
Pros of buying a 1969-1970 Triumph T120 TR6 with a lightened crankshaft:1. Improved engine performance: The lightened crankshaft reduces the rotational mass of the engine, resulting in quicker acceleration and smoother operation.
2. Enhanced reliability: The lightened crankshaft can help reduce engine wear and tear, potentially extending the lifespan of the motorcycle.
3. Increased power output: While not a significant increase, the lightened crankshaft can provide a small boost in power, making the bike feel more responsive.
4. Retro appeal: The Triumph Bonneville Tiger 650cc E4494 is a classic motorcycle with a timeless design, making it a popular choice for collectors and enthusiasts.
Cons of buying a 1969-1970 Triumph T120 TR6 with a lightened crankshaft:1. Cost: The installation of a lightened crankshaft can be expensive, and it may require additional modifications to the engine to ensure proper operation.
2. Availability: Lightened crankshafts for older models may be difficult to find, and sourcing one may require specialized knowledge or resources.
3. Potential compatibility issues: Depending on the specific make and model of the lightened crankshaft, there may be compatibility issues with other components of the engine, such as the connecting rods or the camshaft.
4. Maintenance: The installation of a lightened crankshaft may require more frequent maintenance, as the increased power output can put additional stress on the engine components.
Conclusion: While a 1969-1970 Triumph T120 TR6 with a lightened crankshaft can provide improved engine performance, increased reliability, and enhanced retro appeal, the cost and potential compatibility issues should be carefully considered before making a purchase. If a buyer is willing to invest the time and resources required for installation and maintenance, the benefits can be significant.
Recommendation: Before purchasing a 1969-1970 Triumph T120 TR6 with a lightened crankshaft, it is recommended to thoroughly research the availability and compatibility of the crankshaft and to seek the advice of a knowledgeable mechanic or specialist. Additionally, the buyer should consider their budget and intended use of the motorcycle to ensure that the benefits of the lightened crankshaft outweigh the costs and potential challenges.
650cc twins. Flywheel part. Good steerable condition. Triumph T120 TR6 lightened crankshaft.