Tamiya 51230 F103GT 70T Spur Gear Track-Tuned Unit [51230]

Tamiya 51230 - F103GT Spur Gear 70T SP-1230

Price:

AUD$7.86

Brand:

Tamiya

Model:

51230

GTIN:

4950344512300

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Spares / Hop-ups - Tamiya - F103

Power Transfer Upgrade for F103GT

The Tamiya 51230 70T Spur Gear is aimed at F103GT owners wanting refined drivetrain behaviour. It helps maintain steady tooth contact under load, promoting smoother throttle control and reliable performance during race runs.

Does changing to this spur alter my gearing ratio?

The 70T tooth count defines the spur side of the ratio. Swapping spur or pinion sizes will change the final drive; keep your pinion if you want to retain current gearing.

How do I check for correct alignment?

With the motor mounted, rotate the drivetrain and observe engagement. Adjust motor position or shims until teeth run smoothly without binding or excessive play.

Will this improve lap time consistency?

A consistent spur helps deliver repeatable throttle response, which can contribute to steadier lap times when combined with good setup and driver inputs.

Is there special maintenance after wet runs?

After wet or dirty sessions, rinse and dry drivetrain parts, check for grit in the gear teeth, and relubricate bearings if needed to prevent corrosion and wear.

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