Although there has been no official UK announcement, these pics and details have come from Suzuki USA which suggests the 2022 RM-450 and RM-Z250 are unchanged from last year’s models. It also includes the two-stroke RM85 which doesn’t come to the UK. The info says:

Suzuki is thrilled to announce an additional group of dynamic and stylish 2022 Suzuki models. These returning 2022 Suzuki products add to an exciting range of premium Suzuki motorcycles, scooters and ATVs.

The 2022 RM-Z450 remains the champion’s choice, with its competition pedigree, proven rider ergonomics, compact yet strong engine, and nimble, proven chassis design continue Suzuki’s tradition of extraordinarily precise handling and all-around excellent performance.

The RM-Z450 epitomizes Suzuki’s Winning Balance philosophy of “RUN, TURN, and STOP” with strong brakes for controlled stopping power, a wide spread of engine muscle combined with high peak power, and a strong, light, and more nimble chassis that remains the class standard for cornering and handling performance.

Tuning the electronic fuel injection and ignition systems for maximum performance has never been easier, thanks to Suzuki’s smartphone-based MX-Tuner 2.0 app and proven fuel-coupler system that is included with each 2022 RM-Z450.

ENGINE
–Engine: 449cc, 4-stroke, liquid-cooled, single cylinder, DOHC
–Bore x Stroke: 96.0 mm x 62.1 mm (3.78 in. x 2.40 in.)
–Compression Ratio: 12.5:1
–Fuel System: Fuel injection, 44mm throttle body
-Starter: Primary kickstarter with automatic decompressor
-Lubrication: Semi-dry sump

DRIVETRAIN
Clutch: Wet, multi-plate type
Transmission: 5-speed constant mesh
Final Drive: Chain, DID 520DMA2K, 114 links

CHASSIS
Suspension, Front: Inverted telescopic, coil spring, oil damped, adjustable damping
Suspension, Rear: BFRC-link type, coil spring, oil damped, adjustable spring preload, and damping force
Brake, Front: Disc brake, single rotor
Brake, Rear: Disc brake, single rotor
Tire, Front: 80/100-21 M/C 51M, tube type
Tire, Rear: 110/90-19 M/C 62M, tube type
Fuel Tank Capacity: 6.3 L (1.7 US gal.)

ELECTRICAL
Ignition: Electronic ignition (CDI)
Spark plugs: NGK DIMR8C10

DIMENSIONS
Overall Length: 2175 mm (85.6 in.)
Overall Width: 835 mm (32.9 in.)
Overall Height: 1260 mm (49.6 in.)
Wheelbase: 1480 mm (58.3 in.)
Ground Clearance: 330 mm (13.0 in.)
Seat Height: 960 mm (37.8 in.)
Curb Weight: 112 kg (247 lb.)

The choice of discerning competitors everywhere, the 2022 RM-Z250 is ready for battle. The agile RM-Z250 combines the sleek, appearance and excellent ergonomics of the RM-Z450 with a versatile engine and responsive chassis that deliver superior on-track performance. Delivering on Suzuki’s “RUN, TURN, and STOP” philosophy, factory engineers have made the RM-Z250 a formidable competitor.

The RM-Z250 has continually set the standard as the best handling 250 on the track. Fed by a dual injector EFI system, a center-port cylinder head and an AMA-compliant exhaust, the RM-Z250’s engine delivers strong, usable power through the entire rev-range, furthering Suzuki’s performance heritage.

The twin-spar aluminum frame and hydro-formed swingarm utilize a KYB-supplied suspension that includes a coil spring fork and a rear shock with four-way damping force adjustment. Strong brakes and ergonomically shaped yet stylish bodywork help the rider maximize control as the RM-Z250 carves up the racetrack, looking great all the while.

Tuning the fuel injection and ignition for maximum performance remains very easy thanks to Suzuki’s smartphone-based MX-Tuner 2.0 app and proven fuel-coupler system. Suzuki’s Winning Balance is on display with the 2022 RM-Z250 while delivering on its own high standard for excellent performance.

ENGINE
Engine: 249cc, 4-stroke, liquid-cooled, single cylinder, DOHC
Bore x Stroke: 77.0 mm x 53.6 mm (3.0 in. x 2.1 in.)
Compression Ratio: 13.75:1
Fuel System: Fuel injection, dual-injector type
Starter: Primary kickstarter with automatic decompressor
Lubrication: Semi-dry sump

DRIVETRAIN
Clutch: Wet, multi-plate type
Transmission: 5-speed constant mesh
Final Drive: Chain, DID 520DMA4K, 114 links

CHASSIS
Suspension, Front: Inverted telescopic, coil spring, oil damped, adjustable damping force
Suspension, Rear: Single unit, link type, coil spring, oil damped, adjustable spring preload and damping force
Brake, Front: Disc brake, single rotor
Brake, Rear: Disc brake, single rotor
Tire, Front: 80/100-21 M/C 51M, tube type
Tire, Rear: 100/90-19 M/C 57M, tube type
Fuel Tank Capacity: 6.3 L (1.7 US gal.)

ELECTRICAL
Ignition: Electronic ignition (CDI)
Spark plugs: NGK CR8EIB-10

DIMENSIONS
Overall Length: 2185 mm (86.02 in.)
Overall Width: 835 mm (32.9 in.)
Overall Height: 1255 mm (49.4 in.)
Wheelbase: 1485 mm (58.46 in.)
Ground Clearance: 330 mm (13.0 in.)
Seat Height: 955 mm (37.5 in.)
Curb Weight: 106 kg (233 lb.)

The 2022 RM85 continues to carry on Suzuki’s powerful tradition of motocross racing excellence. The reliable and powerful two-stroke engine produces smooth power delivery at any speed with an emphasis on low- to mid-range performance. Just like its larger RM-Z cousins, the RM85 delivers class-leading handling for both experienced racers and rookie riders alike. With its great power characteristics and lightweight and consistent handling, the RM85 is the perfect motocross bike for anyone learning to race—and striving to win every moto.