Naked Primary Tree Z13 TM (R1 - R2 - R3)

Optimize the transmission of your gearbox with thenu Z13 Primary Tree, specially designed for competition karting engines TM RACING (versions R1, R2 and R3).

Central and critical component of transmission, this tree collects the torsion and extremely violent load forces characteristic of gearing-box karting engines. Proposed here in naked version with a profile of 13 teeth (Z13), it guarantees maximum mingling accuracy and outstanding reliability in competition.

Description and technical characteristics

• Product Type: Primary gearbox tree (sold nude).

• Number of teeth: 13 teeth (Z13).

• Engine compatibility: Engines TM RACING types R1, , R2 and R3.

• Material: High resistance steel with mechanical resistance, thermally treated for maximum wear and shear resistance under strong load.

• Origin: High precision spare part for 2-stroke karting transmission.

📖 The importance of the primary tree in KZ competition

In the gearbox categories (KZ / Superkart), the primary shaft is the element through which the entire gross power transits before being distributed to the different reports via the clutch and the secondary shaft. During densified downsides and flew outlets at the outlet of pin, sanding and splines of the primary shaft undergo formidable shock stresses.

A worn tree, having marked grooves or metal fatigue, can cause speed breaks, poor report lock, or even a destructive case in the low engine. Replace this element with a new and rigorously machined part is essential for preserving the integrity of your TM gearbox.

🔧 Michel's trick

"Michel, our technical expert, recommends you: when replacing your Z13 primary shaft on a Motor TM R1, R2 or R3, thoroughly inspect the state of each pinion player and fixed that comes to lodge there, as well as the needle cages. Never climb a pinion whose crabts are rounded on a new tree, under pain of prematurely use the splines. Also remember to clean and lubricate the set with quality box oil before the first assembly. "

⚠️ Security Council: The assembly of a gearbox transmission requires pointed mechanical skills and compliance with operating games. If in doubt about the storage tolerances, entrust the assembly of your lower motor to a qualified technician.

Order your naked primary shaft Z13 TM R1-R2-R3 now Magickart.fr to restore the performance and reliability of your transmission. Fast shipping.

❓ FAQ: your frequent questions

Q: Is this primary tree comes with gears or bearings ? A: NOT. This is a naked primary tree. It is supplied without gear, without needle cages and without wedding washers, which must be recovered from your original mounting or ordered separately.

Q: Is it compatible with all TM Racing engines ? A: It is specifically calibrated and machined for generation TM engines R1, R2 and R3. Always check the official nomenclature (Parts Manual) of your exact engine model before purchase.

Q: What are the signs of wear of a primary box of box ?

A: The main signs are difficulties to engage speeds, repeated reporting jumps, or visible brands of wear, piting or twisting on grooves and spanners.

📋 Product Information (GPSR) & Technical Summary