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The 70 teeth clutch crown DD2 2021 is an essential transmission piece for engines Rotax Dd2 used in karting. Designed to meet the requirements of the competition, it provides the connection between the box output and the rear wheel shaft, ensuring reliable power transmission, efficient and adapted to the characteristics of the DD2 motorcropper group.
This clutch crown is specifically developed for engines Rotax DD2 vintage 2021with 70 teeth Adapted to the standard transmission of this motorization. It mises directly on the DD2 clutch system and is an essential element for ensuring a good transmission ratio between the engine and the wheels.
Made in a robust material, it is sized to withstand the high torque generated by the engine Rotax DD2, while ensuring high longevity and constant performance, whether training or competing.
The clutch crown plays a central role in the Kart power transmission :
It is positioned on the transmission case DD2 engine.
When a driver opens the accelerator, the engine clutch is progressively committed.
The crown then receives the rotational movement transmitted by the clutch.
This rotation is then transmitted to the chain that connects the crown to rear sprocket, causing the wheel.
The Crown size (number of teeth) determines the transmission report With the pinion, influencing directly:
the acceleration of the kart,
the advanced speed,
The engine response in some diet ranges.
Within the framework of Rotax Dd2The clutch system is integrated and does not require a string between the motor and an external box: the crown engages directly with the rear transmission. This allows better mechanical efficiency and a more direct engine response.
Engines Rotax Dd2 version 2021
Crown adapted to the integrated transmission system DD2
Use Competition, Performance or Advanced Leisure
Number of teeth: 70
Compatibility: Rotax DD2 2021
Function: Transmission of movement to the rear chain via the clutch
Quality: Designed to withstand race and performance constraints
Effective and reliable power transmission
Report studied for the DD2 2021 configuration
Robust design for intensive use
Optimize acceleration and speed depending on the rear pinion used
When changing the crown, systematically check the status of the rear sprocket as well as the chain to ensure homogeneous wear and optimal transmission.
It is recommended to regularly check the string of the chain and wear of the ring for the crown to ensure constant safety and performance.
If you are not familiar with the assembly or transmission settings, entrust this job to a karting professional to ensure proper and safe assembly.
Offer a new heart to your factory mechanics through TM KART official cylinder for KZ-R3 engine in standard version. Central part of the Italian brand's 6-speed block 125cc, this original replacement cylinder guarantees perfect manufacturing tolerances and strict compliance with the official certification sheet.
Molded in an aluminum alloy with high thermal conductivity and coated with a surface treatment at Ultra-resistant nicaSilThis standard cylinder offers scanning and admission diagrams / exhaust developed by the TM Course service. It ensures exceptional volumetric yield, a massive couple from the mid-diets and an incomparable length at the end of straight line. Whether to replace a used, damaged cylinder or simply to have a new backup high-engine with factory standards, this part is the guarantee of optimal reliability and performance
Go to the upper level of the competition with the TM Kart KZ-R3 Official Cylinder in Full Black Version Prepared. Designed for the most demanding pilots and preparers, this exceptional cylinder combines the aesthetic finish "Full Black" factory with a pushed preparation work of intake and exhaust ducts.
In addition to its aggressive look resolutely "Factory", the finish Full Black Provides specific thermal surface treatment that promotes calorie evacuation to the cooling circuit. Side performance, the version Prepared Enjoys a careful retouching of the opening diagrams, a perfect alignment of the transfers and optimized polishing of the exhaust light. The result? An increased scanning speed, maximum filling of the high engine, more torque to mid-speed and a turning tricks at high speed to make the difference in qualification and final.
Guarantee a perfect lock and surgical disengagement on your high-engine thanks to the Official TM Kart Clutch Press Tray Designed for KZ-R3 Engine. Mistress transmission part, this pressure plate applies the radial strength of the springs on the stack of the stacked discs and smooth to transmit the entire power of the block R3 to the gearbox.
Machined in a high rigidity aluminum alloy, this presser tray benefits from a geometry reworked by the TM KART race service exclusively dedicated to the KZ-R3 generation. It avoids any deflection under stolen departures or on the fly passages, ensuring instant biting without residual skating. Its perfectly flat friction surface and anti-friction treatment extend the lifetime of your clutch discs and ensure absolute constancy, handle after handle.
Equip your kart with the summum of group braking technology OTK. This original BWD rear caliper is the new standard set in series on all chassis of the group OTK (Tony Kart, Kosmic, Exprit, Redspeed, EOS, GILLARD) from the 2025 season.
The Mychron 6 2T is the new reference of data acquisition systems for karting. More powerful, faster and more connected than his predecessor, The Mychron 6 is designed for drivers that require the best. This "2T" version allows the management of two temperatures motor simultaneously.
Optimize the transmission of your engine with the Clutch wreath 70 teeth TM R3. Specific original room (Caution: Not compatible with TM KZ R2 and previous models).
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