LAISAYZ 125 2025 - Mud
Tuned for Circuit de la Viere - Saint-Thibery - adds: hardpack, jumps, technical
Yamaha YZ 125 2025 - 75 kg, Intermediate, Neutral, Mud - Circuit de la Viere - Saint-Thibery
Set this first
Shock: High-speed compression
- Stock value
- 1.5 turns
- Recommended
- 1 turn
- Change
- 0.5 turns harder than stock
clicks out from fully closed
How to test it: Change High-speed compression 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.
- Shock: High-speed compression1 turn0.5 turns harder than stockcomputed
- Shock: Low-speed compression9 clicks1 click harder than stockcomputed
- Shock: Rebound9 clicks1 click harder than stockcomputed
- Tire: Front tire pressure0.9 bar0.1 bar less than stockcomputed
- Tire: Rear tire pressure0.9 bar0.1 bar less than stockcomputed
18 confirmed settings available.
Computed from factory specs and your factors
Last reviewed: no release date - this starting value was computed, not measured.
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.
- Shock: High-speed compression0.5 turns harder than stock
1.5 turns1 turnclicks out from fully closed
How to test it
Change High-speed compression 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.
- Shock: Low-speed compression1 click harder than stock
10 clicks9 clicksclicks out from fully closed
Reason: condition Mud - Circuit de la Viere - Saint-Thibery
How to test it
Change Low-speed compression 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.
- Shock: Rebound1 click harder than stock
10 clicks9 clicksclicks out from fully closed
Reason: condition Mud - Circuit de la Viere - Saint-Thibery
How to test it
Change Rebound 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 pressure0.1 bar less than stock
1 bar0.9 bar
Reason: condition Mud - Circuit de la Viere - Saint-Thibery
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.
- Tire: Rear tire pressure0.1 bar less than stock
1 bar0.9 bar
Reason: condition Mud - Circuit de la Viere - Saint-Thibery
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.
- Fork: Compression1 click harder than stock
11 clicks10 clicksclicks out from fully closed
Reason: condition Mud - Circuit de la Viere - Saint-Thibery
How to test it
Change Compression 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.
- Fork: Rebound1 click harder than stock
11 clicks10 clicksclicks out from fully closed
Reason: condition Mud - Circuit de la Viere - Saint-Thibery
How to test it
Change Rebound 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.
- Shock: Sag2 mm more than stock
95 mm97 mmloaded, rider in gear
Reason: condition Mud - Circuit de la Viere - Saint-Thibery
How to test it
Change Sag 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 | 5 ring | OEM |
| ClutchOEM Wet Multiplate Clutch | ||
| ForkKYB SSS 48 mm Coil Fork | ||
| Compressionclicks out from fully closed | 10 clicks▼ -1 | computed |
| Oil heightfrom top, fully compressed, no spring | 90 mm | OEM |
| Reboundclicks out from fully closed | 10 clicks▼ -1 | computed |
| Spring rate | 4.2 N/mm | OEM |
| HandlebarOEM Handlebar | ||
| ShockKYB Piggyback Monoshock | ||
| Sagloaded, rider in gear | 97 mm▲ +2 | computed |
| High-speed compressionclicks out from fully closed | 1 turn▼ -0.5 | computed |
| Low-speed compressionclicks out from fully closed | 9 clicks▼ -1 | computed |
| Preload | 8 mm | OEM |
| Reboundclicks out from fully closed | 9 clicks▼ -1 | computed |
| Spring rate | 48 N/mm | OEM |
| SwingarmOEM Aluminium Swingarm | ||
| TireDunlop Geomax MX33 | ||
| Compound | medium | OEM |
| Front tire pressure | 0.9 bar (13.05 psi)▼ -0.1 | computed |
| Rear tire pressure | 0.9 bar (13.05 psi)▼ -0.1 | 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 Mud baseline for the Yamaha YZ 125 2025 at Circuit de la Viere - Saint-Thibery shifts 8 of 18 computed settings away from the OEM standard. The biggest shifts: High-speed compression 1 turn (-0,5 vs OEM), Low-speed compression 9 clicks (-1 vs OEM). All values are computed from OEM defaults and your rider and condition factors.
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 Mud setup for the Yamaha YZ 125 2025?
For a 75 kg Intermediate rider with a Neutral style, the Mud baseline for the Yamaha YZ 125 2025 at Circuit de la Viere - Saint-Thibery shifts 8 of 18 computed settings away from the OEM standard. The biggest shifts: High-speed compression 1 turn (-0,5 vs OEM), Low-speed compression 9 clicks (-1 vs OEM).
How much race sag for the Yamaha YZ 125 2025?
As a starting point, 97 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 Mud conditions?
As a starting point: 0.9 bar front, 0.9 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.