Lazer ZX7.5 Replacement Center Shaft LA406 64.5mm 7075 for Kyosho  [KY-LA406]

Kyosho LA406 - Aluminum Center Shaft (64.5/7075/ZX7.5)
Price:
NZD$26.57
Brand:
Kyosho
Model:
KY-LA406
GTIN:
4548565524075
Condition:
Brand New
Quantity Discount
Unit Price You Save
2 $21.42 each $10.28 or 19%
3+ $20.36 each $18.61 or 23%
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Installation guidance for the Lazer ZX7.5 center shaft

This RC center shaft is produced for the Lazer ZX7.5 platform and is catalogued as Kyosho part LA406. The component measures 64.5 and is CNC-machined from 7075 aluminum to provide higher stiffness than the factory shaft while maintaining chassis fitment.

The shaft serves as the main center drivetrain axle inside the transmission assembly, matching the bearing bores and gearbox spacing on Lazer ZX7.5 vehicles. During replacement, confirm that bearing seats and the center distance align correctly to maintain smooth gear engagement and reduce end play.

For installation, use proper tools and follow step-by-step replacement checks: inspect bearing condition, measure runout, and confirm gear mesh before final tightening. Regular maintenance will help preserve drivetrain accuracy after installation of LA406.
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 is the basic fit procedure for LA406?

Remove the transmission cover, extract the old shaft, check bearings for wear, then slide the LA406 into place ensuring proper seating before reassembly.

Which measurements should I verify before tightening?

Verify center-to-center spacing, bearing inner diameters, and minimal axial play. Measure shaft runout and adjust shims if gear mesh is too tight or loose.

Are special tools needed to install this shaft?

Standard RC tools suffice: screwdrivers, hex drivers, calipers for measuring, and a bearing press or gentle bearing driver. No specialty tooling is required for LA406.

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