Kyosho LAW79B Aluminium Center Shaft (88/7075) for LAZER ZX7.5  [KY-LAW79B]

Kyosho LAW79B - Aluminum Center Shaft (88/7075/ZX7.5)
Price:
AUD$0.00
Brand:
Kyosho
Model:
KY-LAW79B
GTIN:
4548565524525
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Machined centre shaft for LAZER ZX7.5 setups

Identified as Kyosho part LAW79B, this aluminium centre shaft is specified for the LAZER ZX7.5 family and related ZX-series configurations. The 88/7075 aluminium reference highlights the alloy used for machining a direct-fit replacement in the ZX7.5 centre driveline assembly.

The centre shaft transfers torque between gearbox outputs and differential or intermediary gears while keeping components aligned through bearings and housings. When fitting LAW79B, inspect bearing clearance and retention hardware, confirm free rotation during assembly trials, and ensure gear or coupler engagement is free of binding. Fine adjustments to bearing preload and shaft seating will help lower noise and improve driveline performance.

7075-series aluminium provides a blend of rigidity and machinability suited to RC drivetrain parts, but durability depends on applied loads and maintenance routines. Regularly inspect the shaft surface, keyways and set-screw interfaces, and replace the shaft if scoring, burrs or recurrent vibration are evident after servicing.
Remark :
Due to limited stock availability, please notice that some Kyosho items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

What fitting sequence should I follow?

Begin by cleaning bearings and housings, fit the shaft gently through bearings, check alignment and gear mesh, then progressively tighten retention hardware while rechecking rotation and engagement.

How do I reduce driveline noise after installation?

Verify correct bearing preload and shaft seating, confirm that gears mesh without axial load, and replace worn bearings or couplers. Small seating tweaks often cut noise more effectively than harder hardware fixes.

Should I be concerned about the 88/7075 marking?

The 88/7075 marking indicates the aluminium alloy family used for machining; it offers useful stiffness for driveline parts but does not remove the need for routine checks and proper lubrication under load.

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