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MXB Setups · Community projectv0.1

General · Not track specific·Loamy·MX1⚙ Tune

2023 Yamaha YZ450F

MX1OEM_2023_Yamaha_YZ450F·SPX_SX__YZ450F__Loamy_v1.stp

Tuned from base SPX setup for loamy conditions
— Noma

Key telemetry

Full spec sheet ↓

Spring (Front)4.8 N/mm

Spring (Rear)47 N/mm

Compression (Front)8 clicks

LSC (Rear)10 clicks

Rebound (Front)16 clicks

Rebound (Rear)3 clicks

No detailed notes

The author kept it short. See the spec sheet below for the full configuration.

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Shared5/11/2026

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Full spec sheet

All 50 params

Suspension

Spring (Front)#05

4.8 N/mm

4.0 N/mm6.0 N/mm

Compression (Front)#06

8 clicks

0 clicks20 clicks

Rebound (Front)#08

16 clicks

0 clicks25 clicks

Preload (Front)#09

8 mm

0 mm20 mm

Oil (Front)#11

100 mm

75 mm155 mm

Spring (Rear)#12

47 N/mm

30.0 N/mm60.0 N/mm

LSC (Rear)#13

10 clicks

0 clicks19 clicks

HSC (Rear)#14

4 turns

0 turns4.0 turns

Rebound (Rear)#15

3 clicks

0 clicks20 clicks

Preload (Rear)#16

4 mm

0 mm25 mm

Geometry

Fork Offset#02

22 mm

20 mm26 mm

Swingarm Length#04

4

08

Fork Height#10

2 mm

0 mm20 mm

Rod Length#18

146 mm

144 mm156 mm

Drivetrain

Gear 1#20

3

Gear 2#21

10

Gear 3#22

16

Gear 4#23

25

Gear 5#24

29

Front Sprocket#25

13 T

11T16T

Rear Sprocket#26

49 T

47T54T

Tyres

Tyre (front)?#28

0

Tyre (rear)?#30

0

Front Pressure#31

0.85 bar

0.55 bar1.25 bar

Rear Pressure#32

0.83 bar

0.55 bar1.25 bar

Brakes

Front Brake Leverage#36

18 mm

16 mm20 mm

Rear Disc#41

Galfer 240mm

Galfer 220mmGalfer 240mm

Engine

Engine Mapping#43

Green (Race)

White (Standard)Green (Race)

General

Fuel Level#33

5 L

1.0 L12.0 L