FIRST LOOK! ALL-NEW 2022 HONDA CRF250

The first Honda CRF250 was introduced in 2004. With the release of each subsequent generation, Honda has brought forth new technologies. Racing successes have steadily accumulated, with the most recent platform earning the 2019 and ’20 AMA Supercross 250SX East crowns at the hands of Chase Sexton, as well as the 2019-2021 AMA Arenacross titles with Jace Owen and Kyle Peters, plus 2021 AMA Pro Motocross 250MX overall wins by Jett and Hunter Lawrence.

That said, it should be no surprise that, rather than resting on its laurels, the 2022 Honda CRF250R is an all-new machine that raises the bar for improved acceleration on corner exits, better endurance over race distance and reduced weight for increased agility.

HONDA CRF250 HISTORY

The first generation Honda CRF250. 

Just two years after the debut of the CRF450R—Honda’s first four-stroke motocrosser—the original CRF250 was introduced for the 2004 model year. Generation 2 followed in 2006, with a focus on achieving balance through careful vehicle packaging. That bike won the AMA Supercross 250SX East crown at the hands of Davi Millsaps, and two years later Trey Canard took that title aboard the same platform.

Davi Millsaps aboard the first-gen CRF250.

The 2010 iteration introduced fuel injection, which Canard employed to good effect in earning that year’s AMA 250 Motocross Championship. Justin Barcia won the following year’s 250SX East crown, and in 2012 Barcia and Eli Tomac dominated AMA Supercross, winning the East and West titles, respectively. In the generation’s final year, Tomac earned the AMA 250 Motocross Championship, with Wil Hahn taking the 250SX East crown.

The model’s 2014 update was noted for its suspension updates, and Justin Bogle rode it to that year’s 250 East Regional Championship.


Justin Bogle winning the 250 East Coast Supercros title in 2014 on the CRF250. 

The 2018 model featured a new dual-overhead-cam engine, and Sexton’s aforementioned twin East Region titles proved its effectiveness.

Chase Sexton won on the CRF250 in 2019 and 2020. 

OBJECTIVES | 2022 HONDA CRF250

The goal for the 2022 CRF250R design team was ambitious, and to achieve the latest racing evolution, Honda’s engineers focused their efforts on making the model quicker, stronger and lighter, by boosting engine performance, increasing toughness and cutting weight.

The updated CRF250 engine. 

Specifically, the redesigned engine produces more low-rpm torque without sacrificing usable top-end power, resulting in a broader powerband.

Significant weight savings was achieved through updates to the chassis, which also boasts improved ergonomics while preserving the handling prowess of its predecessor. That, along with the redesigned exhaust system and additional weight savings on numerous individual components, results in a substantial reduction of 8 pounds for the 2022 CRF250R to 229 pounds.

Much of the weight saving on the 2022 CRF250 was due to the fact Honda got rid of the twice mufflers going back to one. 

Finally, improved durability was accomplished by thoroughly reexamining the engine, its cooling system and the drive components, while notable enhancements were also made to the clutch.

ENGINE / DRIVETRAIN | 2022 HONDA CRF250

Improvements to the CRF250’s 249cc liquid-cooled, single-cylinder, double-overhead camshaft four-valve engine design achieve even greater performance and durability. Significantly, low rpm torque is improved through modification of the air intake, revisions to the valve timing and a straightened exhaust port. The changes result in a 20% increase in power at 6500 rpm, while strong top-end power is retained.

INTAKE
Changing the shape of the airbox has increased its capacity by 78%, primarily on the clean side of the air filter. The fuel injector’s lean angle is increased from 30 to 60 degrees, enabling the spray to reach all the way to the back of the butterfly, and the throttle bore is 44mm. Together these changes better cool the intake charge, improving air-intake efficiency and torque at low revs. An added benefit of the airbox redesign is improved serviceability of the air filter, with a spring-loaded clip replacing the previous threaded design.

The CRF250’s updated intake track. 

HEAD
Changes to the four-valve cylinder head are numerous. Titanium 33 mm intake and 26 mm exhaust valves are once again utilized, but now the intake valves feature dual springs (one inside the other) to ensure precise movement at higher revs. The intake camshaft sprocket is now press-fit, which improves valve-timing accuracy while reducing weight.

Inside the updated CRF250 engine. 

The camshaft holder has a more rigid design that maintains camshaft-journal roundness, contributing to timing accuracy and reduced friction at higher rpm. Valve action at higher revs has been further improved through redesign of the rocker-arm shaft’s alignment. Also, durability at higher engine speeds was enhanced by revising the camshaft’s oil supply journal, increasing flow by 80%. Oil volume to the cylinder head has also been increased, through a change to the ratio of the oil pump’s driven gear.

Updated valve system. 

Carrying over from 2021, the bore and stroke are 79.0mm and 50.9mm, respectively, and the compression ratio is 13.9:1 To take advantage of the numerous cylinder-head improvements, the shapes of the piston and connecting rod have been modified to improve durability at high revs. Also, the water pump gear is thicker to increase strength.

EXHAUST
The exhaust system now utilizes a single straight exhaust port, which improves torque and low-rpm drivability. The single muffler has internal baffling that is optimized for torque delivery, and it contributes to a weight reduction from the previous dual-muffler design. The single exhaust header is now routed 74mm closer to the engine on the right side, while the left header and muffler have been eliminated, resulting in a narrower cross-section and improved rider mobility.

The single-side exhaust is a big step in the right direction.

ELECTRONICS
In order to fully realize the engine’s performance potential, the ECU provides all-new mapping to supply the optimum air/fuel mixture and ignition timing at all throttle positions and engine speeds. HRC-inspired launch control facilitates consistent holeshots.

CLUTCH
Getting all the power to the rear wheel reliably required a redesign of the clutch assembly. The clutch pack now has nine discs instead of eight, which increases the amount of disc friction material and lowers the load on the individual discs. The clutch basket is made more rigid for added durability, an additional friction spring reduces spring load, and lubrication is optimized to reduce wear. The primary ratio is now lower (3.047 vs. 3.473), and lubrication is optimized, improving clutch endurance by 21%. In addition, clutch-engagement feel is enhanced, and lever pull is 4% lighter.

The clutch pack now has nine discs instead of eight. 

TRANSMISSION
Inside the five-speed gearbox, changes were made to reduce friction and improve feel when making up- and downshifts between second and third gears—a very common operation on a 250 motocrosser. Only one shift fork is operated to execute this gear-change (rather than two, as before), the countershaft has improved rigidity, and the shift drum is now 17 percent lighter thanks to a larger through hole and reduction of the number of lead grooves, from three to two.

The improvement results in better gear-shifting feel for the rider, and gear ratios are changed to better utilize the newfound engine power in the low and middle rpm ranges, with first and third being useable across broader speed ranges.

CHASSIS / SUSPENSION | 2022 HONDA CRF250

For Honda’s engineers, improving upon the previous CRF250R generation’s exemplary handling was a significant task, as the frame was already known for delivering reliable tracking, precise turning, exemplary straight-line stability and overall rideability. The goals were to ensure that the engine’s newfound power would not upset these traits, and to reduce the overall weight of the machine to facilitate increased maneuverability.

Wheelbase is now 10mm shorter (at 58.1 inches), rake is relaxed by .02º (to 27.32º), trail remains at 115mm, the seat height is unchanged at 37.8 inches, and ground clearance is increased by 3mm (now 13.1 inches).

FRAME / SUBFRAME
The aluminum frame is 1.5 pounds lighter for 2022, drawing heavily from the CRF450R. Updates include widely curved main spars with smaller cross-sections, plus optimized rib placement in the backs of the pivot plates. Longitudinal rigidity is maintained for straight-line stability, while lateral rigidity is reduced by 20 percent to enhance handling feel when cornering.

The subframe features a simplified design that enabled the elimination of a separate seat support, achieving a weight reduction of 0.7 pounds.

SUSPENSION
The coil-spring Showa fork is a 49mm fully adjustable leading-axle, inverted telescopic design with 12.2 inches of stroke. The upper and lower triple clamps have been redesigned, with rigidity rebalanced via updated reinforcement ribs, delivering increased flex for improved handling and feel through a corner. Traction and bump-impact performance are better as well, and the bike has an agile corner approach, with sharp handling characteristics.

The Pro-Link rear-suspension system has a revised ratio and uses a Showa shock absorber whose shape has been adapted to work with the new frame, with adjusters moved from the left side to the right. Rear travel is 12.3 inches. An ultra-light steel shock spring contributes to the shock being .24 pounds lighter than last year’s component. The swingarm is also narrower, providing increased clearance in ruts, with rebalanced rigidity tuned to match the frame and improve rear traction and cornering.

WHEELS
The black D.I.D rims (21-inch front, 19-inch rear) deliver durable performance and good looks. Petal-style brake rotors (260 mm front, 240 mm rear) disperse heat.

The 2022 CRF250R comes with Pirelli Scorpion MX32 tires, which are ideal for soft and intermediate terrain, and which offer an appropriate amount of sidewall flex for a 250 motocrosser.

DESIGN
Rider-active design is a key feature of the 2022 CRF250, which inherits many of the design features of the CRF450. The right and left side panels are 20mm and 50mm more inboard, respectively, for a 70mm narrower cross section at the rear, and the rear portion of the seat is 10mm lower for a flatter layout. The radiator shroud-side panel junction is smoother as well. These user-friendly ergonomic changes permit the rider to more easily adjust body position when cornering, accelerating, jumping and braking.

The radiator shrouds are new, and each is produced in a single piece instead of two separate parts. Cooling the 2022 CRF250R engine is crucial to maintaining its increased performance and overall durability. Computational Fluid Dynamics (CFD) were used to design air-outlet vents in the shrouds, and the radiator grills were redesigned, optimizing the number of fins, as well as their angle. The radiators’ area of heat radiation was also increased by 6%.

Whereas the seat was previously installed by sliding it forward onto the subframe and then securing it at the rear, the new seat base has rearward-facing tongues and front-located mounting tabs. This arrangement eases installation, and acceleration forces keep the seat securely in place. The 1.7-gallon fuel tank is once again made of lightweight titanium but has a new design, and the plastic tank cover has been eliminated.

Engineers looked for and capitalized on every opportunity to cut weight for improved handling. For example, only eight fasteners are used to secure all of the main bodywork components—both radiator shrouds, both side plates and the seat—instead of 12 as before. In addition, all of the bolts for the main bodywork parts now have 8 mm heads, simplifying maintenance.

As before, the Renthal Fatbar handlebar is held by a clamp that can be turned 180º; because the clamp itself has two mounting locations, there are four possible mounting positions for the handlebar, through a range of 26mm.

2022 HONDA CRF250 SPECS

ENGINE
Type 249.43cc liquid-cooled single-cylinder four-stroke; 9º inclined from vertical
Valve Train DOHC, four-valve; 33 mm intake, titanium; 26 mm exhaust, titanium
Bore x Stroke 79.0mm x 50. mm
Compression Ratio 13.9:1
Induction Programmed fuel-injection system (PGM-FI); 44 mm throttle bore
Ignition DC-CDI
Starter Push-button electric starter
Transmission Constant-mesh 5-speed return; manual
Clutch Multiplate wet; 9 plates, 5 springs
Final Drive #520 chain; 13T/50T
SUSPENSION
Front 49 mm fully adjustable leading-axle inverted telescopic Showa coil-spring fork; 10.8 in. travel, 12.2 in. stroke
Rear Pro-Link system; fully adjustable Showa single shock; 12.3 in. travel
BRAKES
Front 2-piston caliper (30mm, 27mm) hydraulic; single 260mm disc
Rear 1-piston caliper hydraulic; single 240 mm disc
TIRES
Front Pirelli Scorpion MX32 80/100-21 w/ tube
Rear Pirelli Scorpion MX32 100/90-19 w/ tube
MEASUREMENTS
Rake (Caster Angle) 27.3º
Trail 115mm (4.5 in.)
Length 85.7 in.
Width 32.6 in.
Height 49.8 in.
Ground Clearance 13.1 in.
Seat Height 37.8 in.
Wheelbase 58.1 in.
Fuel Capacity 1.7 gal.
Color Red
Curb Weight* 229 lbs.

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