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2006 Honda CR125R
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2006 Honda CR125R
2006 Honda CR125R


– 2006 Honda CR125R


Honda’s two-stroke racer sets the standard for quality and performance with its class-leading technology, and has a reputation for being easy to ride for novices and professionals alike.

Features & Benefits


– Crankcase intake tract and six-petal reed valve for more efficient air flow and improved drivability.

– Reed valve features thicker reed plates for better off-idle response.

– Piston features single keystone piston ring for improved sealing.

– 28mm radiator core improves cooling capacity.

– Shift fork shaft, shift forks and shift drum designed for precise shifting performance.

– Liquid-cooled two-stroke single-cylinder engine with 54mm x 54.5mm bore and stroke and 8.6:1 compression ratio.

– Nikasil-plated cylinder reduces friction and heat to improve overall performance.

– Piston ring groove is anodized for added durability.

– Air-intake boot is shaped for direct air flow and better low-speed engine performance.

– Foam gasket between airbox and air boot for better sealing and air flow management.

– 38mm Mikuni TMX carburetor with throttle position sensor (TPS).

– Carbon-fiber six-petal reed valve with sub reeds is designed for better top-end and low-end power.

– Exhaust port is shaped to improve top-end and over-rev power delivery.

– RC-style exhaust valve features an NSR road racing-inspired rotary flap design with governor control that provides a smooth power transition between low- and mid-range engine speeds. Redesigned exhaust valve flap features more overlap to minimize exhaust gas leakage between flap and cylinder.

– Exhaust header is designed to improve low-end and over-rev power delivery. The expansion chamber design enhances the engine’s power output and delivery.

– A four-pole ACG design produces a high-voltage spark throughout the rpm range with low magnetic drag, thus permitting a freer-revving engine.

– A 16-bit processor in the ignition CPU produces immediate data calculation and extremely accurate ignition timing for the digital ignition.

– Eight clutch plates provide significant surface area to handle the engine’s torque. Clutch springs provide a light feel at the lever.

– Dual radiators permit forward engine placement and provide significant cooling capacity.

– Steel water-pump gear and steel kickstarter-shaft collar enhance reliability.

– Primary kickstarting system allows starting in any gear.


– Swingarm features a dual-axis, double-taper design with a large cast-aluminum cross member that is lighter weight and stronger.

– CR®125R’s third-generation twin-spar aluminum frame features taller swingarm pivot plates and thinner frame spars to create a narrower overall frame cross-section, and is also lighter than the second-generation frame.

– Semi-double-cradle design features a single, large-diameter tapered downtube. Two rugged box-section rails attach to the base of the downtube and support the engine. A forged-aluminum steering head provides a compact and extremely durable mount for the frame spars and engine downtube.

– Optional 20-inch front wheel improves cornering traction and rider comfort.

– Rear hub design maximizes strength and lightness.

– Rear-axle diameter of 25mm and large-diameter bearings provide significant rigidity to withstand torturous track conditions.

– Inverted Kayaba fork features a cartridge design that separates air and oil for reduced contamination and more consistent fork action. Inner surface of fork’s outer tubes is honed to retain a thin coating of lubricating oil to reduce friction with fork bushings.

– Pro-Link® single-shock rear suspension system features a fully adjustable Kayaba rear shock with 12.5 inches of travel, separate low-speed (18 positions) and high-speed (two turns) compression damping adjusters, and 30-position rebound damping. The adjusters are located together in a concentric fashion, with a screw inside a nut.

– Compact twin-piston front brake caliper, anodized aluminum brake pistons and lightweight front brake disc reduce unsprung weight for improved turning and handling.

– Large 240mm front and rear brake rotors to provide optimum braking control.

Additional Features

– Seat follows the shape of the fuel tank, providing a smooth transition to increase rider mobility and comfort.

– “Non-slip” seat cover for increased rider control.

– Wide, cleated stainless steel footpegs are improved for self-cleaning and corrosion resistance, and provide excellent grip and fold for extra ground clearance.

– Cleated rear brake pedal, shift lever and folding shift lever tip are made of lightweight aluminum.

– Adjustable front brake lever for optimum control.

– Quick-adjust clutch perch.

– Aluminum Renthal 971 bend handlebar is rubber-mounted to reduce rider fatigue and improve comfort.

– CR handlebar holders provide three different mounting positions: Standard CR125R holder provides a 3mm rearward set and can be rotated 180 degrees to position handlebar 6mm forward. Optional holders (CR250R-type) provide neutral position to match rider preference.

– Works-type handlebar grips add to rider comfort.

– Front disc brake cover helps protect rotor and caliper from damage.

– Removable rear subframe allows easy maintenance.

– Dunlop D742 front and D756 rear tires for optimum traction and cornering.

– Washable, two-stage foam air filter for optimal engine protection and easy maintenance.

– Repackable silencer for maximum performance and minimal noise.

– Stainless steel clutch cable for long life.

– Ownership includes one-year complimentary membership for an individual in the Honda Rider’s Club of America™ (HRCA®). Benefits include: discounts, travel benefits, roadside assistance, one year of Honda Red Rider™ magazine, access to HRCA Clubhouse Web site ( and access online to Honda Common Service Manual. For HRCA details, call 1-800-847-HRCA. For dealers only, please call (310) 783-3958.


Model: CR125R

Engine Type: 125cc liquid-cooled single-cylinder two-stroke with RC valve

Bore and Stroke: 54mm x 54.5mm

Compression Ratio: 8.6:1

Induction: Six-petal crankcase reed-valve

Carburetion: 38mm Mikuni TMX with throttle position sensor (TPS)

Ignition: Digital ignition with three-dimensional mapping and electronic advance

Transmission: Close-ratio five-speed

Final Drive: #520 chain; 13T/52T

Front: 46mm inverted Kayaba cartridge fork with 18-position rebound and 20-position compression damping adjustability; 12.0 inches travel
Rear: Pro-Link Kayaba single shock with spring preload, 30-position rebound damping adjustability, and compression damping adjustment separated into low-speed (18 positions) and high-speed (two turns); 12.5 inches travel

Front: Single 240mm disc with twin-piston caliper
Rear: Single 240mm disc

Front: 80/100-21
Rear: 100/90-19

Wheelbase: 57.9 inches

Rake (Caster Angle): 25.75°

Trail: 100mm (3.94 inches)

Seat Height: 37.3 inches

Ground Clearance: 13.8 inches

Dry Weight: 197 pounds

Fuel Capacity: 2.0 gallons

Color: Red

Consult owner’s manual for optional racing parts.


Suggested Retail Price: $5,299.00

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