| Specification | Technical details |
| Product type | Special screw M7 flat head machined / bell reinforcement screw |
| Mark | Tm kart (Original TM Racing Genuine Parts) |
| Dimensions / Thread | M7 x 1.00 x 12.5 mm |
| Exploded view | Detail n ° 12 (View 2 - TM KZ Clutch Technical Diagram) |
| Main application | Fixing the reinforcement disc (shock absorber) on the bell / clutch hub |
| Motor compatibility |
Standard factory: KZ10B, KZ10C, KZ-R1, KZ-R2, Kz-r3 Adaptable (if new hub): K8, K9, K9B, K9C, KZ10 |
Secure the dropping system lock from your clutch bell thanks to the special screw M7x1x12.5 mm of origin TM Kart. High strength fastening element, this m7 end-stalk screw is designed to firmly assemble the reinforcing disc (detail 11) and rubbers shock absorber on the clutch bell body.
Identified under the Detail # 12 on the exploded view n ° 2 (TM KZ clutch diagram), this mechanical screw withstands the shear and extreme vibration stresses generated by the 125cc gears motor climbs. It's a specific thread of 1.00 mm and its 12.5 mm useful length ensure perfect anchorage in the hub without risking the pink or internal parts.
Proposed in standard original monte on generations KZ10B, KZ10C, KZ-R1, KZ-R2 and KZ-R3, it is also adaptable on older models (k8 at KZ10) equipped with the update with the new cushion clutch hub.
* "Hi the 2-stroke gold! The screw M7x1x12.5 of the reinforcing disc, it is typically the screw never to neglect or replace with a standard BTR screw of DIY! The step of M7 x 1,00 and the head imprint are very specific.
My stand trick for replacing and mounting these M7 screws (detail 12): absolute degreasing, strong net brake and torque tightening !
When you disassemble the bell shock disc, these screws are subject to huge shear stresses at each gas stroke. If only one screw loosens on the track, it rides against the housing or destroy the rubber shock absorbers !
When reassembling:
Clean the M7 tapping in the bell with brake cleaner and a blow gun (there must be no drop of oil).
Systematically apply a drop of forty brake (red) on each new M7 screw.
Tighten the cross screws at the torque wrench. If a screw head is marked during disassembly, change it directly, do not wait for it to be at the next interview! "*
Extract the motor clutch bell and remove the assembly to access the fastening face of the reinforcement disc (detail 11).
Unscrew the old M7 screws. Massing meticulously internal brake cleaner threads and dry compressed air.
Follow the tip in Michel: Put a strong fly-fillet drop on the new M7x1x12.5 NEIGHT TM KART (detail 12).
Engage the hardware and gradually tighten the cross to apply the reinforcing disc in a perfectly homogeneous manner to the rubbers. It's locked !
Q: Why does the TM Kart clutch reinforcement screw use an M7 thread (7 mm) ?
A: The diameter of 7 mm (M7x1.00) offers the perfect compromise between the shear strength of an 8 mm screw and the reduced footprint of a 6 mm screw. This is the standard chosen by TM KART to secure the shock disc to the competition bells.
Q: How many screws M7x1x12.5 should be for a complete TM clutch bell ?
A: The assembly of the reinforcement disc usually requires a complete set of these screws (depending on the number of holes in your bell / reinforcing disk model). It is advisable to replace all the screws when refurbishing the bell.
Q: Is this screw compatible with my TM K9B or KZ10 engine ?
A: Yes, provided your engine K9, K9B, K9C or KZ10 has been updated with the new cushioned hub / clutch bell. It is originated on the KZ10B, KZ10C, KZ-R1, KZ-R2 and KZ-R3 blocks.
Opt for excellence and durability with the Seal 40 x 52 x 5 Teflon TM Kart. Designed with technical material to provide increased resistance at extreme temperatures and friction on KZ competitive engines.
(2) TM Kart 8x12 Pin – Essential part for TM Racing engine casing , ensuring precise alignment of internal components . MagicKart recommends professional installation. No warranty will be covered in case of incorrect installation. Available on MagicKart.eu with expert customer service and competitive rates.
Guarantee the lock and security of your transmission with the Circlips Ø35 mm for secondary gear TM Kart. An indispensable security piece to keep the box elements in position.
Offer a surgical mordant at the start and an endurance foolproof for your transmission thanks to the TM Kart Garnished Clutch Disk Specially Developed For KZ-R3 Engine. Key element of the friction package of your transmission 125cc high-engine, this stacking disc ensures the direct connection between the bell and the smooth steel disks.
Designed with a generation-specific generation of generation generation friction material, this stained disc resists the extreme temperatures generated during skating on departure and during load passages under full load. It guarantees a clear, constant and without fading handle after handle.
Guarantee optimal torque transfer without skating and keep a perfect control flexibility thanks to the Original clutch spring TM KART. The key element of the transmission mechanism of your 125cc gear motor, this spring ensures the constant axial pressure required to tackle the pressure tray against the stack of clutch discs.
On the Official Exploded View (Tavola 6 - Motor Clutch KZ-R3 Total Black), this spring bears the Landmark n ° 4. Manufactured according to the strict specifications of the Italian manufacture, its special steel resists perfectly with the intense heating of the bottom-engine and retains its original stiffness even after hundreds of lap-offs. It offers the ideal compromise between a frank biting during the lever and a progressive progressivity to avoid any untimely skating on the blocks TM KZ-R1, KZ-R2 and KZ-R3.
Restore the accuracy and guidance of your transmission thanks to the Naked Naked TM Kart Clutch Bell Specially designed for KZ-R3 Engine. Mistress external part of the clutch assembly, this aluminum bell cut into the mass receives the lugs of the discs stocked to transmit the force of the primary crown to the gearbox.
Machined according to the very strict tolerances of the TM Kart race service, this naked bell has a reworked geometry exclusively dedicated to the KZ-R3 block. Its reinforced structure is the inquiry and mattage resistant caused by record lugs during stolen departures and free accelerations. It guarantees a perfect sliding of the friction package, avoiding any untimely or residual skating.
The SPI seal 26x37x7 mm is a critical component for the proper operation of the 2-time cycle of TMKART engines. Generally placed at the crankshaft, its role is to ensure a perfect seal between the interior of the housing (under pressure / depression) and the outside.
Prevention of air intakes: Prevents outside air from entering the bottom-motor, which would distort the carburation and might cause tightening.
Confinement of lubrication: Retains the air / oil mixture inside the engine to ensure the lubrication of crankshaft bearings.
Fluoré Material (Viton / FKM): Designed to withstand high temperatures generated by the crankshaft rotation and chemical aggressions of competition fuels.
Make a perfect guidance and without playing to your clutch sandy thanks to the NEIGHT NEIGHT NEIGHBORHONE NEIGHT TM KART. This stamped sleeve bearing (type HK 20/12) is an essential high-precision guidance element of the primary transmission on the Italian brand 125cc gear motors.
Manufactured according to very strict tolerances to support high rotational speeds and heavy radial loads, this HK 2012 roller cage allows the pinion or clutch bell to rotate freely on the transmission shaft with a coefficient of Minimal friction. Its processed steel structure guarantees excellent heating of the box oil, preventing premature wear of the shaft reach on all blocks TM KZ10, KZ-R1, KZ-R2 and KZ-R3.
Protect your transmission against jersey and extend the life of your clutch bell thanks to TM Kart (new version Puck F.8). Calibration and rigidification piece essential, this shock absorber plate is attached to the clutch bell body to absorb the torque shocks to the gases.
Identified under the Detail 11 on the exploded view n ° 2 (TM KZ clutch diagram), this reinforcing disc in its "puck f.8" modernized version has an ultra-precise machined cut and reinforced heat treatment. It ensures excellent cohesion with primary sandy and limits the parasitic friction, ensuring a fluid transmission of power over all generations of TM engines with gearbox, From mythical K8 to the latest KZ-R3
Guarantee optimal power transfer and preserve the biting of your transmission through Smooth steel clutch disc 1.5 mm original TM KART. Fundamental element of the clutch stack of your 125cc gearbox engine TM KZ-R3This smooth disc is exactly interposed between each disc gnaw to constitute the friction package.
Cut with micrometric precision in a high quality steel, this disc strictly responds to the original dimensions factory: a External diameter of 122.8 mma Inner diameter at 92.9 mm notches and a calibrated teeth to 3.5 mm wide by 4.0 mm deep. Its dimensional precision guarantees a perfect sliding along the clutch nut / tambourine without creating friction or resistance. It offers a perfectly flat friction surface that prevents untimely skating and guarantees high-speed frank reports.
On gelling karting engines (category kz) like the famous TM R1 TM R2 and TM R3, internal tightness management is a key factor in performance and reliability. This microphone 5x9x2 mm spi seal Ensures a critical function at the heart of the crankcase.
Guarantee a fluid clutch control, smoothly and surgical precision thanks to the TM KART Original Clutch Needle Radial Cage. Central rotary element of the thrust stop, this thumbnail bearing allows the presser tray to turn more than 15,000 rpm without opposing resistance when the driver pulls on the lapping lever.
On the Official Exploded View (Tavola 6 - Motor Clutch KZ-R3 Total Black), this piece bears the Landmark n ° 6. Designed by the Italian factory to cash extreme rotation speeds and intense axial pressures, the radial cage ensures the junction between the fixed thrust mechanism (fungus mark 7) and the rotating part of the clutch (Presser tray Land 2). Its machining quality avoids any seizure, prevents residual skating and guarantees a direct pick on the blocks TM KZ10, KZ-R1, KZ-R2 and KZ-R3.
Keep an optimal internal pressure in your transmission housing with Oil plug with original TM Kart sniffing specially designed for the KZ-R3 engine. The key element of the gearbox of the gearbox, this machined plug makes it possible to evacuate the air and oil vapor overpressures generated by the high speed brewing, thus protecting all of your seals.
Made of ultra-resistant anodized aluminum alloy, this plug integrates a specific breather system Exclusive to the architecture of the KZ-R3 block crankcase. It allows the connection of an air hose to your fluid recuperator, while avoiding the intrusion of dust, water or impurities inside the bottom motor.
Guarantee an irreproachable seal at the heart of your transmission thanks to O-ring (O'Ring) Original TM Kart Clutch Support. Essential sealing room When disassembling or revising your clutch tray / support, this seal prevents box oil from selling to sensitive areas or escape from the housing.
Molded by TM Kart In a high-performance elastomer, this seal resists perfectly to the chemical degradation caused by 2T competition box oils and supports the strong thermal stresses generated by clutch friction. Its shape memory ensures constant compression, guaranteeing a perfect seal session after session on the entire 125cc gears line range TM KZ10, KZ-R1, KZ-R2 and KZ-R3.
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.
The Set of 4 Komet K3H tires is the official choice of competitions Iame Series France Since 2024 for categories X30 Junior and KA100. Direct evolution of the famous K2H, the K3H repels the limits of the performance by offering a wider range of use and constant thermal stability even in the longest finals. This complete train (2 front tires + 2 rear tires) is designed for demanding drivers who do not want any compromises between Grip and durability.
The Candle NGK R7282-11 is a bougie High performance specially designed for karting engines subject to intense stresses. With its central iridium electrode and platinum mass electrode, this bougie offers exceptional electrical conductivity, ensuring optimal recovery and responsiveness of the engine.
BENGIO Bumper V2020 is an essential part for all karting drivers, whether in competition or at leisure. More colorful and modern, this model has been redesigned to offer optimal protection while remaining comfortable and adjustable.
Iame piston for X30, Sudam, Leopard and Easykart 125 cc engines. Supplied with ring and 2 clips.
Discover Würth Brake Cleaner 12x500 ml at Magickart. Made by Würth, this acetone-free cleaner is ideal for brake systems and guarantees safe, effective use.
The Set of 4 Tires Kart VEGA SL4 (Red) 2024 is the latest innovation of VEGA, designed to offer exceptional performance in national categories. Whether you're using a direct drive or a 125-speed transmission engine, these tires are the ultimate reference for balanced and efficient driving.
The Rotax Max Complete Starter is essential equipment for all karting drivers using Rotax Max. This starter is designed to offer reliable and fast starts, ensuring that you are always ready to take the track.
The engine TM KZ R3 – Full Black represents the latest developments of the TM Racing, certified for competition and designed to offer maximum performanceflawless reliability and one exclusive design. This engine is complete delivered and ready to use, including all necessary components for a immediate installation and one optimal driving experience.
With his version "Total Black", this engine is distinguished by its black Edition componentsoptimized cylinder preparation, 1 new high performance clutchenhanced gearbox and one robust engine housing, ensuring increased powerexceptional durability and one high-end aesthetics
Secure the dropping system lock from your clutch bell thanks to the Special screw M7x1x12.5 mm of origin TM Kart. High strength fastening element, this m7 end-stalk screw is designed to firmly assemble the reinforcing disc (detail 11) and rubbers shock absorber on the clutch bell body.
Identified under the Detail # 12 on the exploded view n ° 2 (TM KZ clutch diagram), this mechanical screw withstands the shear and extreme vibration stresses generated by the 125cc gears motor climbs. It's a specific thread of 1.00 mm and its 12.5 mm useful length ensure perfect anchorage in the hub without risking the pink or internal parts.
Proposed in standard original monte on generations KZ10B, KZ10C, KZ-R1, KZ-R2 and KZ-R3, it is also adaptable on older models (K8 at KZ10) equipped with the update with the new cushion clutch hub.
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