LAISAYZ 125 2025 - Race
Tuned for Tandragee Motocross Park - adds: hardpack, jumps
Yamaha YZ 125 2025 - 75 kg, Intermediate, Neutral, Race - Tandragee Motocross Park
Set this first
Tire: Rear tire pressure
- Stock value
- 1 bar
- Recommended
- 1.15 bar
- Change
- 0.15 bar more than stock
Reason: condition Race - Tandragee Motocross Park
How to test it: Change Rear tire pressure only, nothing else. Then ride the same section or the same number of laps as before and watch whether exactly the behaviour that bothers you changes. If it gets worse or less settled, put the value back.
- Tire: Rear tire pressure1.15 bar0.15 bar more than stockcomputed
- Tire: Front tire pressure1.05 bar0.05 bar more than stockcomputed
- Shock: Sag100 mmno stock value on record to compare againstverified
- Shock: Low-speed compression11 clicksno stock value on record to compare againstverified
- Shock: Rebound11 clicksno stock value on record to compare againstverified
18 confirmed settings available.
Released reference setup, confirmed by an expert
One released reference records no document.
Last reviewed: 29 Jul 2026
A starting point to verify on the bike - not a safety guarantee. Change one thing at a time and check on track. How LAISA derives this →
All recommended changes
In order, biggest deviation from the stock value first. Take them one at a time.
- Tire: Rear tire pressure0.15 bar more than stock
1 bar1.15 bar
Reason: condition Race - Tandragee Motocross Park
How to test it
Change Rear tire pressure only, nothing else. Then ride the same section or the same number of laps as before and watch whether exactly the behaviour that bothers you changes. If it gets worse or less settled, put the value back.
- Tire: Front tire pressure0.05 bar more than stock
1 bar1.05 bar
Reason: condition Race - Tandragee Motocross Park
How to test it
Change Front tire pressure only, nothing else. Then ride the same section or the same number of laps as before and watch whether exactly the behaviour that bothers you changes. If it gets worse or less settled, put the value back.
All technical values
Complete settings, technical data, components, gearing and geometry - including the adjusters that exist on the bike but do not carry a confirmed value yet.
| BrakeNissin Hydraulic Disc Brakes | ||
| ChainOEM Chain | ||
| Chain length | 114 links | OEM |
| ChassisOEM Aluminium Bilateral Beam Frame | ||
| Fork height in clampstube protrusion above top clamp | 3 ring | verified |
| ClutchOEM Wet Multiplate Clutch | ||
| ForkKYB SSS 48 mm Coil Fork | ||
| Compressionclicks out from fully closed | 8 clicks | verified |
| Oil heightfrom top, fully compressed, no spring | 90 mm | OEM |
| Reboundclicks out from fully closed | 10 clicks | verified |
| Spring rate | 4.2 N/mm | verified |
| HandlebarOEM Handlebar | ||
| ShockKYB Piggyback Monoshock | ||
| Sagloaded, rider in gear | 100 mm | verified |
| High-speed compressionclicks out from fully closed | 1.25 turns | verified |
| Low-speed compressionclicks out from fully closed | 11 clicks | verified |
| Preload | 8 mm | OEM |
| Reboundclicks out from fully closed | 11 clicks | verified |
| Spring rate | 48 N/mm | verified |
| SwingarmOEM Aluminium Swingarm | ||
| TireDunlop Geomax MX33 | ||
| Compound | medium | OEM |
| Front tire pressure | 1.05 bar (15.23 psi)▲ +0.05 | computed |
| Rear tire pressure | 1.15 bar (16.68 psi)▲ +0.15 | computed |
| TransmissionOEM Final Drive | ||
| Front sprocket | 13 teeth | OEM |
| Rear sprocket | 49 teeth | OEM |
| Triple ClampOEM Triple Clamp | ||
| Offset | 25 mm | OEM |
After the ride
Tested a change? Record what happened. LAISA stores it against this bike and this condition. The recommendation above does not adapt to it automatically yet.
About this baseline
For a 75 kg Intermediate rider with a Neutral style, the Race baseline for the Yamaha YZ 125 2025 at Tandragee Motocross Park shifts 2 of 18 computed settings away from the OEM standard. The biggest shifts: Rear tire pressure 1.15 bar (+0,15 vs OEM), Front tire pressure 1.05 bar (+0,05 vs OEM). Values come from OEM defaults, your rider and condition factors and 9 verified reference setups.
Value provenance: OEM = manufacturer specification · verified = confirmed by an expert · reviewed = editorially reviewed reference · community = confirmed by the community (median of at least three public setups) · computed = automatically derived by the LAISA engine. Automatically extracted and unconfirmed values never appear on public pages.
No public community setups yet for this bike and condition.
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Frequently asked questions
What is a good Race setup for the Yamaha YZ 125 2025?
For a 75 kg Intermediate rider with a Neutral style, the Race baseline for the Yamaha YZ 125 2025 at Tandragee Motocross Park shifts 2 of 18 computed settings away from the OEM standard. The biggest shifts: Rear tire pressure 1.15 bar (+0,15 vs OEM), Front tire pressure 1.05 bar (+0,05 vs OEM).
How much race sag for the Yamaha YZ 125 2025?
As a starting point, 100 mm of race sag at 75 kg rider weight. Measure with a helper and set it via spring preload.
What tire pressure for the Yamaha YZ 125 2025 in Race conditions?
As a starting point: 1.05 bar front, 1.15 bar rear - computed for a 75 kg Intermediate rider. Check cold and adjust in small steps by feel.
What gearing (sprockets) does the Yamaha YZ 125 2025 run?
As a starting point, 13 teeth front / 49 teeth rear. For more acceleration go larger at the rear (or smaller at the front); for more top speed, the reverse.
Are these values safe to ride?
Baseline values are starting points generated from OEM defaults, rider weight, skill, style and conditions - not safety guarantees. Verify on the bike, adjust step by step and ride within your limits.
Baseline values are starting points generated from OEM defaults, rider weight, skill, style, and condition - or lifted from an expert/verified setup where one exists (see the provenance badge). They are not safety guarantees. Verify on the bike and ride within your limits.