Yokomo GT1 Setups

On-road•Touring/GT•1/12 scale•2WD

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Gearing

Stock gearing for the Yokomo GT1, with common pinions and their ratios.

Stock spur

74T

Internal ratio

1:1

Typical pinion

32–36T

1/12 2WD touring/gt setups. For your motor and track →

Pinion	Spur ÷ pinion	FDR	Rollout
30T	2.47	2.47	54.8 mm
31T	2.39	2.39	56.6 mm
32T	2.31	2.31	58.4 mm
33T	2.24	2.24	60.2 mm
34T	2.18	2.18	62.1 mm
35T	2.11	2.11	63.9 mm
36T	2.06	2.06	65.7 mm
37T	2.00	2.00	67.5 mm
38T	1.95	1.95	69.4 mm

Shaded rows are the pinions most 1/12 2WD touring/gt setups run on the stock spur. Rollout at a 43 mm tire.

What pinion should I run?

Tell us your motor and track and get a starting pinion for the Yokomo GT1, with the range racers in the class run.

Get a recommendation →Shop pinion gears at AMain →

What pinion gear should I use on the Yokomo GT1?

It depends on your motor and the track. Racers in the 1/12 2WD touring/gt class run a 32–36 tooth pinion in most setups, usually on a 66T spur for a final drive ratio near 1.96. Hotter motors (lower turns, higher KV) take a smaller pinion; tight tracks gear down, open tracks gear up. For a starting pinion matched to your motor, use the So Dialed Pinion Recommender with the GT1 selected.

What is the internal ratio (transmission ratio) of the Yokomo GT1?

The GT1 has an internal ratio of 1:1. Final drive ratio = spur ÷ pinion × 1. With the stock 74T spur, a 30T pinion gives an FDR of 2.47 and a 38T gives 1.95.