The R-Series Pedigree: YZF-R15 Model Evolution A record of all major model changes to the YZF-R15 2008 2011 2017 2022 Liquid-cooled SOHC 4-valve single-cylinder engine Forged piston and DiASil Cylinder Roller rocker arm and offset cylinder design Single-axis balancer Deltabox frame ECU map revised for improved acceleration and high-speed performance Long aluminum swingarm Separate seats Mudguard and sari guard linked to the swingarm Rear radial tire 5-spoke-styled cast wheels Newly designed middle fairing (improved aerodynamics) LED taillight to emphasize the styling Stronger styling links to the YZR-M1 and incorporating DNA from the latest YZF-R1/R6 models 155cc engine with Variable Valve Actuation (VVA) Bigger intake and exhaust valves Smaller crankpin design (26 mm) Assist & Slipper clutch and 6-speed transmission Aluminum Deltabox frame with greater rigidity R1-styled cast aluminum upper triple clamp (handlebar crown) Clip-on handlebars New fairing with excellent aerodynamic characteristics Traction control system, quickshifter, and full LCD instruments with selectable display modes (all available on deluxe models only) Bifunctional LED headlight Y-Connect app compatibility Overall length 1995mm 1970 mm 1990mm ← Overall width 670mm ← 725mm ← Overall height 1070mm ← 1135mm ← Seat height 790mm 800mm 815mm ← Wheelbase 1290mm 1345mm 1325mm ← Wet(with oil and a full fuel tank) 131kg 136kg 137kg 140kg Engine type Liquid cooled,4-stroke,SOHC,4-valve ← ← ← Cylinder arrangement Single cylinder ← ← ← Displacement 149.8 cm³ 150cm³ 155cm³ ← Bore & stroke 57 × 58.7 mm ← 58.0 × 58.7mm ← Compression ratio 10.4:1 ← 11.6:1 ← Maximum horse power 11.1kw/8500rpm 12.2kw(16.6PS)/8500r/min 14.2kW(19.3PS)/10000r/min ← Maximum torque 13.4Nm/7500rpm 14.6N・m(1.5kgf・m)/7500r/min 14.7N・m(1.5kgf・m)/8500r/min ← Lubrication system Wet sump Force-feed lubrication,wet sump Wet sump ← Engine oil capacity 1.15L - 1.05L/1.10usqt/0.92Imp.qt ← Fuel tank capacity 12L ← 11L / 2.9usgal / 2.4Imp.gal ← Frame type Diamond ← ← ← Caster angle 26° ← 25°30′ ← Trail 100mm 98mm 88mm ← Steering Angle - - Left:33°, Right:33° ← Tire size(Front) 80/90-17 M/C 44P 90/80-17M/C 46P Tubeless 100/80-17M/C 52P Tubeless ← Tire size(Rear) 100/80-17 M/C 52P 130/70-R17M/C 62P Tubeless 140/70-17M/C 66S Tubeless ← Rim size(Front) - - 17M/C x MT2.5 ← Rim size(Rear) - - 17M/C x MT4.0 ← Brake type(Front) Disk Hydraulic disc brake Hydraulic single disc brake ← Brake type(Rear) Disk Hydraulic disc brake Hydraulic single disc brake ← Diameter of brake disk(Front) - 267mm 282mm ← Diameter of brake disk(Rear) - 220mm 220mm ← Inside diameter of drum / Effective diameter of disc(Front) 267mm 242mm 257mm ← Inside diameter of drum / Effective diameter of disc(Rear) 203mm 185mm 191mm ← Suspension type(Front) Telescopic fork ← ← ← Suspension type(Rear) Swing arm (link suspension) ← ← ← Shock absorber assembly type(Front) Coil Spring + Oil Damper ← Coil spring/Hydraulic damper ← Shock absorber assembly type(Rear) Coil Spring + Oil Damper ← Coil spring/Hydraulic damper ← Wheel travel(Front) 130mm ← ← ← Wheel travel(Rear) 105mm ← 97mm ← Inner tube diameter of front fork - 33mm 37.0mm ← Headlight bulb type HS1 Halogen bulb LED ← Headlight Lo beam35/35Wx1,Hi beam35/35Wx2 Lo beam12V/35W X1, Hi beam12V/35W X2 LED ← Auxiliary light 5W x 2 12V,5W X2 LED ← Brake/tail light 21/5W x 1 12V, 21W/5W × 1 LED ← Turn signal light(Front) 10W 12V, 10W X2 ← ← Turn signal light(Rear) 10W 12V, 10W X2 ← ← Speedometer LCD Digtal Digital ← ← The R-Series Pedigree