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2006 Honda CR125

Honda CR125R

Honda's 125cc class two-stroke racer sets the standard for quality and performance with its class-leading technology, progressive Works-class suspension systems for a winning combination of blistering performance and crisp, confident handling. The CR125R also has a strong reputation for being easy to ride for novices and professionals alike.

Colours;

  • Extreme Red (with White number plate and sidecovers)
  • Features and Benefits;

    Engine/Drivetrain;

  • Liquid-cooled two-stroke single-cylinder engine with 54 54.5mm bore and stroke and 8.6 : 1 compression ratio.
  • NiCaSil-plated cylinder reduces friction and heat to improve overall performance.
  • Piston features single keystone piston ring for improved sealing.
  • Piston ring groove is anodised for added durability.
  • Crankcase intake tract and six-petal reed valve ensure efficient air flow and superb driveability.
  • Reed valve's thicker reed plates deliver better off-idle response.
  • Air intake boot shaped for more direct airflow and better low-speed engine performance.
  • Foam gasket between airbox and air boot for better sealing and airflow management.
  • 38mm Mikuni TMX carburettor with Throttle Position Sensor (TPS).
  • Carbon fibre six-petal reed valve with sub-reeds is designed for better top-end and low-end power.
  • Exhaust port shaped to improve top-end and over-rev power delivery.
  • RC-style exhaust valve features an NSR road racing-inspired rotary flap design with mechanical governor control that provides a smooth power transition between low- and midrange engine speeds. Exhaust valve flap features optimised overlap to minimise exhaust gas leakage between flap and cylinder.
  • Exhaust header designed to improve low-end and over-rev power delivery.
  • Expansion chamber design enhances the engine's power output and delivery.
  • Four-pole ACG design produces a high-voltage spark throughout the rpm range with low magnetic drag, thus permitting a freer-revving engine.
  • Digital ignition CPU features 16-bit processor for instantaneous data calculation and extremely accurate ignition timing.
  • Durable 5-speed close-ratio transmission offers consistent performance in demanding racetrack conditions.
  • Eight-plate clutch provides significant surface area to handle the engine's torque. Clutch springs provide a light feel at the lever.
  • Shift fork shaft, shift forks and shift drum ensure smooth and precise shifting performance.
  • Dual radiators permit forward engine placement while providing significant cooling capacity.
  • 28mm radiator core maintains optimal cooling capacity for the engine's extra power.
  • Steel water-pump gear and steel kickstarter-shaft collar enhance reliability.
  • Primary kickstarting system allows starting in any gear.
  • Chassis/Suspension;

  • CR125R's third-generation twin-spar aluminium frame features taller swingarm pivot plates and thinner frame spars than its second-generation configuration to create a narrower overall frame cross-section that is also lighter.
  • 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 aluminium steering head provides a compact and extremely durable mount for the frame spars and engine downtube.
  • Inverted Kayaba fork features a twin-chamber 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.
  • Swingarm features a dual-axis, double-taper design with a large cast aluminium cross member that is lighter weight and stronger.
  • Pro-Link rear suspension system features a single, fully adjustable Kayaba rear damper with 320mm of wheel travel, separate low-speed (18-step) and high-speed (2 turns) compression damping adjusters, and 30-step adjustable rebound damping. The adjusters are located together in a concentric design, with a screw inside a nut.
  • Large, 240mm front and rear brake rotors stopped by a compact and highly responsive dual-piston front brake calliper and lightweight single-piston rear calliper for optimum braking control.
  • Front and rear wheels feature lightweight aluminium spoke nipples to help reduce unsprung weight.
  • Additional Features;

  • Seat follows the shape of the fuel tank, providing a smooth transition to increase rider mobility and comfort.
  • Non-slip seat cover enhances rider control.
  • Wide, cleated stainless steel footpegs are self-cleaning, resist corrosion, provide excellent grip and fold for extra ground clearance.
  • Cleated rear brake pedal, shift lever and folding shift lever tip are made of lightweight aluminium.
  • Adjustable front brake lever for optimum control.
  • Quick-adjust clutch perch.
  • Aluminium Renthal 971 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 offset 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 calliper from damage.
  • Removable rear sub-frame allows easy maintenance.
  • Dunlop D742 front and D756 rear tyres provide 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.
  • New Honda Racing-inspired graphics.
  • Technical Specifications CR125R (ED-type);

  • Engine Type - Liquid-cooled 2-stroke single with RC exhaust valve
  • Displacement - 124.8cm3
  • Bore x Stroke - 54 x 54.5mm
  • Compression Ratio - 8.6 : 1
  • Max. Power Output - 31.3kW/11,500min-1 (95/1/EC)
  • Max. Torque - 21.2Nm/10,000min-1 (95/1/EC)
  • Fuel System;

  • Carburation - 38mm Mikuni TMXX flat slide carburettor with Throttle Position Sensor (TPS)
  • Fuel Tank Capacity - 7.7 litres
  • Electrical System;

  • Ignition System - Digital electronic with 3-D mapping and electronic advance
  • Starter - Primary kick
  • Drivetrain;

  • Transmission - 5-speed
  • Primary Reduction - 3.150 (63/20)
  • Gear Ratios - 1; 2.357 (33/14), 2; 1.867 (28/15), 3; 1.579 (30/19), 4; 1.294 (22/17), 5 1.333 (28/21)
  • Final Reduction - 4.000 (52/13)
  • Final Drive - #520 roller chain
  • Frame Type - Semi-double cradle; aluminium twin-spar
  • Chassis;

  • Dimensions - (LxWxH) 2,163 x 821 x 1,282mm
  • Wheelbase - 1,470mm
  • Caster Angle 25 45'
  • Trail - 100mm
  • Seat Height - 954mm
  • Ground Clearance - 352mm
  • Dry Weight - 87.5kg
  • Kerb Weight - 97.1kg
  • Suspension;

  • Type - Front, 46mm Kayaba inverted leading-axle twin-chamber cartridgetype telescopic fork with 20-step adjustable compression and 18-step rebound damping; 275mm axle travel
  • Rear - Pro-Link with Kayaba single damper, adjustable low-speed (18- step) and high-speed (2-turn) compression and 30-step rebound damping; 320mm axle travel
  • Wheels;

  • Type - Front, Aluminium rim/wire spoke
  • Rear - Aluminium rim/wire spoke
  • Rim Size - Front, 21 x 1.60
  • Rear - 19 x 1.85
  • Tyres - Front, 80/100-21 51M
  • Rear - 100/90-19 57M
  • Brakes;

  • Type - Front, 240 x 3mm hydraulic disc with dual-piston calliper and sintered metal pads
  • Rear - 240 x 4mm hydraulic disc with single-piston calliper and sintered metal pads
  • All specifications are provisional and subject to change without notice.