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2009 Honda CRF150R / RB

2009 Honda CRF150R / RB


With its powerful and responsive Unicam four-stroke engines, race-ready suspension and track-designed chassis components, the CRF150R and big-wheel CRF150RB have revolutionised the small-displacement class and become familiar faces on podiums around the world. Seasoned riders will appreciate the thrilling performance of a true Honda CRF ride. Aspiring young riders will revel in its big-bike, but manageable performance and handling attributes. The CRF150R/CRF150RB is the ideal tool for inspiring fun-filled exhilaration, confidence and a lifelong taste for fun and winning!

Key Features

  • Lightweight plastic body components (radiator shrouds, sidecovers, rear fender, seat base, fuel tank, front fender and front number plate) feature a slim, aggressive style
  • Seat cushion foam 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
  • Large-capacity airbox and reusable two-stage foam air filter
  • Handlebar bend optimises rider position and comfort
  • Adjustable front brake lever and compact master-cylinder assembly
  • HRC works-type rear brake system integrates the rear master cylinder and fluid reservoir, eliminating the separate rear master-cylinder reservoir and hose
  • Works-type handlebar grips add to rider comfort
  • Stainless steel clutch cable for long life and improved feel and action


  • Powerful 149cm3 liquid-cooled 4-stroke 4-valve Unicam engine produces impressive power across a wide rev range for easy-to-control operation
  • Compact, lightweight engine assembly weighs only 19.8 kilograms
  • Unicam valve train features a single camshaft directly actuating two 26mm steel intake valves combined with twin, low-friction rocker arms actuating two 22.5mm steel exhaust valves. This compact design provides the light weight of a single-cam drive and an optimum combustion chamber shape for maximum power at all engine speeds
  • Crankshaft made of high-strength, low-carbon steel with carburized main journals for maximum durability at sustained high-rev operation
  • Forged slipper piston and rings are lighter than conventional designs, feature high 11.7:1 compression, and rev quickly while maintaining excellent cylinder sealing and high-rpm power
  • Double-carburized connecting rod utilises big-end needle bearing for maximum high-rpm performance and durability
  • Lightweight NiCaSil cylinder lining ensures cooler operation for extended engine life.
  • Press-fitted aluminium spark plug pipe fits between the two exhaust rocker arms, further contributing to compact cylinder-head design
  • Gear-driven balancer reduces vibration and drives the water pump
  • Lightweight, compact, internal auto decompression and handlebar-mounted hot-start system ensure easy starting, hot or cold
  • 32mm Keihin FCR flat-slide carburettor features four rollers on the slide for light throttle effort, smooth operation, crisp throttle response and excellent rideability
  • Carburettor features throttle position sensor (TPS) that helps maintain linear response throughout the rev range
  • Vertically split crankcase features a built-in oil pump, reducing weight compared to conventional designs
  • Twin-sump lubrication system separates the oil supply for the crankshaft, piston and valve train from the clutch and transmission. This ensures a cool supply of oil to the clutch, eliminates potential clutch and transmission material contamination of the engine oil, reduces the amount of circulating oil and permits the use of a smaller oil pump
  • Rugged six-plate clutch has ample surface area to handle the engine's impressive torque, while carefully matched clutch springs provide a light feel at the lever
  • Durable close-ratio five-speed transmission
  • Exhaust system uses lightweight stainless exhaust header and repackable aluminium muffler.
  • Dual radiators feature a refined core area for improved heat dissipation compared to conventional dual-radiator designs


  • Lightweight, high-tensile steel frame with large-diameter frame tubing and cross-member provides excellent turning performance and straight-line tracking
  • Removable sub-frame is strong and durable
  • Wide-section aluminium top and bottom triple-clamps position fork tubes far apart for excellent turning and control
  • Tapered-roller steering-head bearings enhance durability
  • 37mm inverted leading-axle Showa cartridge-type front fork features friction-reducing design to improve compression and rebound control
  • Front fork offers adjustable compression and rebound settings
  • Lightweight and rigid box-section aluminium swingarm
  • Pro-Link rear suspension system features fully adjustable Showa damper for superb compliance and wheel control
  • Unique CRF150R front and rear suspension settings deliver ideal bump absorption characteristics.
  • Strong, lightweight wheels are durable and minimise unsprung weight
  • Lightweight front and rear disc brakes with high-performance pads offer powerful, precise braking control
  • Stout 15mm front and 17mm rear axles incorporate a surface treatment for added strength and durability


  • CRF150RB: Black
  • CRF150R ’07: Extreme Red (with white number plate and sidecovers)

Availability & Model Changes For 2009


  • CRF150RB: January 2009
  • CRF150R ‘07: Now

Changes for 2009:

  • CRF150RB: New colour
  • CRF150R ‘07: No changes

Technical Specification


  • Type - Liquid-cooled 4-stroke 4-valve SOHC single
  • Displacement - 149cm3
  • Bore x Stroke - 66 x 43.7mm
  • Compression Ratio - 11.7: 1
  • Max. Power Output -* 16.6kW/12,500min-1 (95/1/EC)
  • Max. Torque - 13.6kW/10,000min-1 (95/1/EC)

Fuel System

  • Carburetion - 32mm Keihin FCR flat slide carburettor with throttle position sensor (TPS)
  • Fuel Tank Capacity - 4.3 litres

Electrical System

  • Ignition System - Solid-state Capacitor Discharge (CDI) with electronic
  • Starter - Primary kick


  • Transmission - 5-speed
  • Primary Reduction - 4.117 (70/17)
  • Gear Ratios - 1; 2.214 (31/14), 2; 1.647 (28/17), 3; 1.318 (29/22), 4; 1.105 (21/19), 5; 0.956 (22/23)
  • Final Reduction - 3.333 (50/15) *3.733 (56/15)
  • Final Drive - #420 roller chain


  • Type - Semi-double cradle; steel tube


  • Dimensions (LxWxH) - 1,832 x 770 x 1,133mm, *1,900 x 770 x 1,171mm
  • Wheelbase - 1,260mm, *1,285mm
  • Caster Angle - 27° 02', *27° 48'
  • Trail - 78mm, *96mm
  • Seat Height - 833mm, *866mm
  • Ground Clearance - 302mm, *335.2mm
  • Kerb Weight - 83kg, *84.8kg


  • Type - Front; 37mm inverted Showa leading-axle telescopic fork with adjustable compression and rebound damping; 274.3mm (*274.3mm) axle travel
  • Rear; Pro-Link with single Showa damper, adjustable compression and rebound damping; 274.3mm (*292.1mm) axle travel


  • Type - Front; Aluminium rim/wire spoke
  • Rear; Aluminium rim/wire spoke
  • Rim Size - Front; 17 x 1.40 *19 x 1.40
  • Rear; 14 x 1.60 *16 x 1.85
  • Tyre Size - Front; 70/100–17 40M *70/100–19 42M
  • Rear; 90/100–14 49M *90/100–16 52M


  • Type - Front; 220 x 3mm hydraulic disc with single-piston calliper and sintered metal pads
  • Rear - 190 x 3.5mm hydraulic disc with single-piston calliper and sintered metal pads

* CRF150RB

All specifications are provisional and subject to change without notice