TMP75237 Universal Titanium Main Shaft for Kyosho Inferno MP 7.5 - Technical Spec by GPM  [TMP75237]

Kyosho Inferno MP 7.5 Option Titanium Universal Main Shaft With Screws For Middle Gear Box - 1pr set - GPM TMP75237
Price:
USD$39.60
Brand:
GPM
Model:
TMP75237
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Technical overview of the titanium universal main shaft

Designed as a precision RC spare, this titanium universal main shaft is intended for use in the middle gear box of the Kyosho Inferno MP 7.5. The kit includes the matched shaft pair and the mounting screws required for direct installation into the specified gearbox assembly.

Material choice and manufacturing focus on stiffness-to-mass ratio to lower rotating inertia while maintaining concentricity and dimensional stability. In service the component aids consistent gear alignment between spur and pinion when bearings and shims are within specification. Use measured gearbox setup to realise the part's benefits rather than expecting standalone power gains.

Installation requires standard middle gear box disassembly, removal of the existing shaft and hardware, and reassembly using the supplied screws. Inspect bearing fit, spline condition and housing faces prior to final torqueing to ensure minimal runout and extended service life. The part is released as an aftermarket spare compatible with the MP7.5 drivetrain geometry referenced by the model number TMP75237.

Specifications

  • Item: Universal main shaft with screws, 1 pr set
  • Material: Titanium
  • Model Number: TMP75237
  • Compatibility: Kyosho Inferno MP 7.5, middle gear box

For technical maintenance and chassis optimisation on MP7.5 vehicles, TMP75237 delivers a durable, low-inertia shaft solution focused on alignment and consistent gearbox behaviour.

Bearing bore runout and spline concentricity are the primary tolerances to check. Ensure housings are free of burrs and that bearings seat evenly to maintain alignment.
Material processing is selected to achieve a balance between strength and fatigue resistance suitable for RC drivetrain cycles; follow safe operating limits for loads and RPM.
Check for visible wear on spline interfaces, confirm straightness by rotating in bearings, and replace if any fretting or deformation is present.
Use correct torque values, ensure bearing lubrication is appropriate, and verify gear mesh after assembly to minimise side loading on the shaft.