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Yamaha

YZ450F 2025 - Race

Tuned for Alberni Valley Motocross Track - adds: hardpack, technical, jumps, off_camber

Yamaha YZ450F 2025 - 75 kg, Intermediate, Neutral, Race - Alberni Valley Motocross Track

Set this first

There is nothing to change here: the values below come from a released reference and are used as they are - so there is no factory value for them to deviate from.

Key values

17 confirmed settings available.

Source

Released reference setup, confirmed by an expert · Moderately documented

Referenced (not linked):
  • 2025 Yamaha YZ450F owner's manual standard settings, cross-checked vs Yamaha 2025 spec + PulpMX (stock HSC 1-1/4) + JBI/Keefer/MXA 2025 baselines (2025)

One released reference records no document.

Last reviewed: 30 Jul 2026

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.

17 confirmed values
BrakeNissin Hydraulic Disc Brakes
ChainOEM Chain
Chain length114 linksreviewed
ChassisOEM Aluminium Bilateral Beam Frame
Fork height in clampstube protrusion above top clamp2 ringverified
ClutchOEM Wet Multiplate Clutch
ECUOEM Engine Management
ForkKYB SSS 48 mm Coil Fork
Compressionclicks out from fully closed12 clicksverified
Reboundclicks out from fully closed9 clicksverified
Static sagwithout load8 mmOEM
Spring rate5 N/mmverified
HandlebarOEM Handlebar
ShockKYB Piggyback Monoshock
Sagloaded, rider in gear105 mmverified
Static sagwithout load38 mmreviewed
High-speed compressionclicks out from fully closed1.25 turns - 1.5verified
Low-speed compressionclicks out from fully closed11 clicksverified
Preload8 mmOEM
Reboundclicks out from fully closed10 clicksverified
Spring rate56 N/mmverified
SwingarmOEM Aluminium Swingarm
TireDunlop Geomax MX33
Front tire pressure1 bar (14.5 psi)reviewed
Rear tire pressure1 bar (14.5 psi)reviewed
TransmissionOEM Final Drive
Front sprocket13 teethreviewed
Rear sprocket49 teethreviewed

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 YZ450F 2025 at Alberni Valley Motocross Track shifts none of the 17 computed settings away from the OEM standard. Values come from OEM defaults, your rider and condition factors and 15 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.

Doesn't feel right on track?

Pick the symptom and we'll show the likely setup causes - and whether it is really a technique thing.

Troubleshoot a handling problem
Riding technique
Vision and line in ruts - corneringControlling the bike off jump faces - jumpingThrottle control on corner exit (MX) - throttle

Matching protective gear

The right setup is half the job - the other half is protective gear matched to the discipline and conditions.

Acerbis Motocross-Helm Airstrike-C
HelmetFits the discipline
Acerbis Motocross-Helm Airstrike-C
ECE 22.06
Acerbis Handschuhe Carbon G 5.0
GlovesFits the discipline
Acerbis Handschuhe Carbon G 5.0
Level 2Level 1
Alpinestars Tech 10 Air Gold Stiefel Limited Edition Earth Brown Gold
BootsFits the discipline
Alpinestars Tech 10 Air Gold Stiefel Limited Edition Earth Brown Gold
EN 13634CE

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Gear for these conditions

Frequently asked questions

What is a good Race setup for the Yamaha YZ450F 2025?

For a 75 kg Intermediate rider with a Neutral style, the Race baseline for the Yamaha YZ450F 2025 at Alberni Valley Motocross Track shifts none of the 17 computed settings away from the OEM standard.

How much race sag for the Yamaha YZ450F 2025?

As a starting point, 105 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 YZ450F 2025 in Race conditions?

As a starting point: 1 bar front, 1 bar rear - computed for a 75 kg Intermediate rider. Check cold and adjust in small steps by feel.

What gearing (sprockets) does the Yamaha YZ450F 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.