Setups
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Gearing
Stock gearing for the Yokomo YZ-2 DTM3.1, with common pinions and their ratios.
| Pinion | Spur ÷ pinion | FDR |
|---|---|---|
| 18T | 4.44 | 11.56 |
| 19T | 4.21 | 10.95 |
| 20T | 4.00 | 10.40 |
| 21T | 3.81 | 9.90 |
| 22T | 3.64 | 9.45 |
| 23T | 3.48 | 9.04 |
| 24T | 3.33 | 8.67 |
| 25T | 3.20 | 8.32 |
| 26T | 3.08 | 8.00 |
| 27T | 2.96 | 7.70 |
| 28T | 2.86 | 7.43 |
| 29T | 2.76 | 7.17 |
| 30T | 2.67 | 6.93 |
| 31T | 2.58 | 6.71 |
| 32T | 2.50 | 6.50 |
Shaded rows are the pinions most 1/10 2WD buggy setups run on the stock spur.
What pinion should I run?
Tell us your motor and track and get a starting pinion for the Yokomo YZ-2 DTM3.1, 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 YZ-2 DTM3.1?
It depends on your motor and the track. In the 1/10 2WD buggy class, racers gear by final drive ratio: 6T and below near 9.40, 7.5–8.5T near 9.22, 17.5T near 6.48. On the YZ-2 DTM3.1's stock 80T spur that is about 22T for 6T and below, 23T for 7.5–8.5T, 32T for 17.5T. Tight tracks gear down, open tracks gear up. For a starting pinion matched to your motor, use the So Dialed Pinion Recommender with the YZ-2 DTM3.1 selected.
What is the internal ratio (transmission ratio) of the Yokomo YZ-2 DTM3.1?
The YZ-2 DTM3.1 has an internal ratio of 2.6:1. Final drive ratio = spur ÷ pinion × 2.6. With the stock 80T spur, a 18T pinion gives an FDR of 11.56 and a 32T gives 6.50.
How many teeth is the stock spur gear on the Yokomo YZ-2 DTM3.1?
80 teeth. Changing the spur moves every pinion's ratio at once; most racers leave the spur and tune with the pinion.
Kit setup
Kit shock setup. Part numbers link to AMain.
- Front
- 450 cst
- Rear
- 400 cst
- Front
- Green #A775 →
- Rear
- Green (#YOKYS-A1200) - lightest
What shock oil does the Yokomo YZ-2 DTM3.1 come with?
Out of the box the YZ-2 DTM3.1 runs 450 cst front, 400 cst rear (Yokomo oil), on 2 x 1.6mm, 2.2mm thick black (#S1622) front, 2 x 1.7mm, 2.2mm thick black (#S1722) rear pistons. That is the kit setup; you will need to adjust it for your track conditions. The RC Setup App can help dial it in.
What springs does the Yokomo YZ-2 DTM3.1 come with?
The kit springs are Green (#A775) front, Green (#YOKYS-A1200) - lightest rear. Stiffer springs suit high grip and big jumps; softer springs add grip on slick or bumpy tracks.
Setup Help
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