| Specification | Technical details |
| Product type | Centering ring / machined guidance sleeve |
| Mark | Tm kart (Original TM Racing Genuine Parts) |
| Dimensions | 10.5 x 14 mm (Micrometric mechanical adjustment) |
| Exploded view | Part 22 (Tavola 1 / Table 1 - Cylinder and Head) |
| Main application | Perfect alignment of transfers cylinder on housings |
| Motor compatibility | TM KART KZ-R3, , Kz-r2, Kz-r1, kz10c, kz10b, kz10, ok ... |
| Security function | Avoids any shift in the cylinder and protects the base studs |
Guarantee a surgical alignment of your high-engine on the bas-engine thanks to the cylinder centering sleeve 10.5 x 14 mm original TM KART. Small by size but capital for the efficiency and reliability of your 125cc gear motorization, this rectified steel ring ensures the absolute position of your cylinder compared to the housings.
On the official Exploded View (Tavola 1 - Cylinder and Engine Head KZ-R3 / R2), this centering is the landmark n ° 22. Slipdled around the base studs (marker 21) to the junction between the low-engine crankcase and the cylinder base (marker 12), it neutralizes the mechanical games at the editing. It guarantees the perfect continuity between the transfer ducts of the housing and those of the cylinder, thus maximizing the scanning of the gases while eliminating any shear stress on the studs during the tightening of the nuts (marker 20).
* "Hi the artists of the preparation! The centering center 22 of the exploded view, it is typically the tiny piece that we quickly made falling into the sawdust of the workshop or gaming to disassembly. Yet, up a cylinder TM R2 or R3 without Its centering sockets 10,5x14, it is the guarantee of offending the transfers and to have a 'walk' that breaks the vein of air !
My stand trick for controlling and installing your centering rings: inspection without burrs and mounting oil !
When you remove your cylinder, these rings sometimes tend to spindle slightly under the effect of condensation. Never pull them out of the climb to the risk of ovalizing them or marking them! If they stay on the housing, clean them gently with a cloth soaked in brake cleaner.
Before threading the cylinder over (marker 12), check that the new 10,5x14 sockets (marker 22) are perfectly round and slide softly in their housing. Remove a drop of 2T competition oil on the outside of the ring: your cylinder will come to bend on the bottom-engine with a precision of Swiss clockwork without ever forcing or trailing the base seal (marker 16)! "*
After removing the cylinder and the base joint (marker 16), clean the range of low-engine housings and the studs of the studs (marker 21) to the brake cleaner.
Follow the Tip in Michel: Insert the 10.5x14 mm centering sleeves (marker 22) on the base studs provided for this purpose until stopped in their housing housing.
Position your new base gasket (marker 16) over the centering. Then slide the cylinder (marker 12) along the studs. The cylinder must fit without any effort on the centering rings.
Screw and tighten the M8 CH12 nuts (marker 20) to the factory torque. Your high engine is perfectly aligned and admitted to deliver all its cavalry !
Q: What exactly serves this 10.5 x 14 mm centering socket (n ° 22 on the exploded view) ?
A: The cylinder base hole has a slightly higher diameter than the m8 stud to allow the passage. The centering sleeve (n ° 22) brings exactly this space (diameter 10.5 x 14 mm) to center the cylinder to the tenth of a millimeter on the housings, ensuring the perfect alignment of the sweeping ducts.
Q: How many centering sockets are needed by engine ?
A: Depending on the configurations and generations of TM KART low engines, 2 centering rings (generally diagonally positioned on the base studs) are required to lock the cylinder alignment.
Q: Does this centering ring adapt on TM KZ10, KZ10B, KZ10C and KZ-R1 engines ?
A: Yes, cylinder base guide (10.5 x 14 mm) guidance ratings are identical on most TM Kart brand competition blocks, ensuring total compatibility of KZ10 models at the last KZ-R3.
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Guarantee a surgical alignment of your high-engine on the bas-engine thanks to the Cylinder centering sleeve 10.5 x 14 mm original TM KART. Small by size but capital for the efficiency and reliability of your 125cc gear motorization, this rectified steel ring ensures the absolute position of your cylinder compared to the housings.
On the Official Exploded View (Tavola 1 - Cylinder and Engine Head KZ-R3 / R2), this centering is the Landmark n ° 22. Slipdled around the base studs (marker 21) to the junction between the low-engine crankcase and the cylinder base (marker 12), it neutralizes the mechanical games at the editing. It guarantees the perfect continuity between the transfer ducts of the housing and those of the cylinder, thus maximizing the scanning of the gases while eliminating any shear stress on the studs during the tightening of the nuts (marker 20).
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