YZ250f 2024 WBR spec

By March 26, 2024 No Comments

2024 WBR YZ250f spec

Chassis/ controls –

Ground clearance 350mm, weight full fluids 104.7kg, caster angle 26.9, EZE clamps, Pro Taper handle bars, Zeta top clamp, Zeta aluminum bolt kit, Cycra plastics, MX Ink Graphics, Strike seat foam and seat covers, Zeta pivot perch and front brake lever, Zeta rotator shifter

Brakes –

OEM calipers, 270mm front and 240mm rear braking rotors, OEM pads, 74 works coatings, Yamalube brake fluid

Suspension –

Ohlin’s RX48 fork and Ohlin’s TTX shock

Wheels –

EZE wheel set, Dunlop MX34 tyres, Dunlop Mousse rear and heavy duty tube front

Drive Train –

JT sprockets, DID ERT3 chain 114 link, 60mm slack, gearing 49 – 51 rear and 13 front depending condition and rider

Internal gear ratio –

1st – 2.143 (30/14), 2nd – 1.750 (28/16), 3rd – 1.444 (26/18), 4th – 1.222 (22/18), 5th – 1.042 (25/24)

Engine –

Bore and stroke – 77.0 x 53.6 mm, comp ratio 14.2:1, VP Roo 100 fuel, Yamalube RS4GP oil, GYTR engine, in house cylinder head work, 74 works REM finish transmission and crank, GYTR clutch, GYTR engine covers, intake mods to enhance bottom end power and Slater skins intake cap, Pro Circuit Ti6 Pro

Electrical –

GET SX1 ECU, second start button under tank

Some of the finer bits –

Zeta holeshot button, Zeta brake master cylinder caps, Pro Taper grips, Zeta rear brake clevis, Unifilter o2 Rush air filters, Zeta case saver, Zeta axle blocks,


The goal – take the stock YZ250f and enhance it for the rider, give them good useable power and a platform that can give them an advantage on race day to help them achieve their best result.