Katalog: Honda CRF 450R | |
and supermoto riders everywhere honda s race-winning crf450r receives a host ... | |
nearly 90kw per litre while maintaining honda s legendary simplicity and ... | |
steel exhaust valves via a forked low-friction roller rocker arm a separate cam holder contributes to the compact design which allows a remarkable 21.5° included valve angle while saving weight over comparable dohc systems · lightweight titanium intake valves permit use of smaller valve springs reducing overall engine height and saving 15.2g per valve compared to conventional steel valve designs · unique internal pin-rotation-type auto decompressor realises a compact and lightweight system that provides superb cold-starting and hot-restarting operation · high-strength low-carbon steel crankshaft ... | |
· eight-plate clutch provides ample surface area to handle the engine s massive torque while carefully matched clutch springs provide a light feel at the lever · exhaust system features lightweight titanium exhaust header and heat shield repackable aluminium silencer features stainless steel pipe and long-lasting silencer packing · narrow dual radiators provide significantly more surface area and more effective heat dissipation compared to single-radiator designs chassis/suspension · fourth-generation twin-spar aluminium frame features forged aluminium steering head and tapered downtube section ... | |
· large 50mm rear damper piston diameter provides consistent performance under demanding riding conditions · large 240mm front and rear brake discs · compact dual-piston front brake calliper designed for over 30g in weight savings over conventional types anodised aluminium brake pistons and lightweight front brake rotor further minimise unsprung weight for improved turning and handling · hrc works-type rear brake system integrates the rear master cylinder and fluid reservoir eliminating conventional external reservoir and hose additional features · frame design allows sidecovers to have larger ... | |
clutch cable for long-life operation · honda racing-inspired colours and graphics ... | |
specifications engine type displacement bore x stroke compression ratio carburation ignition system crf450r ed-type liquid-cooled 4-stroke 4-valve sohc single 449cm3 96 x 62.1mm 12 1 40mm keihin fcr flat-slide carburettor computer-controlled digital capacitor discharge with electronic advance starter drivetrain transmission primary reduction gear ratios primary kick 5-speed 2.739 63/23 1 1.800 27/15 2 1.470 25/17 3 1.235 21/17 4 1.050 21/20 5 0.909 20/22 final reduction final drive chassis frame dimensions wheelbase caster trail seat height ground clearance fuel tank capacity 3.692 48/13 #520 ... | |
suspension type front 47mm showa inverted leading-axle twin-chamber cartridge-type telescopic fork with 16-step adjustable compression and rebound damping 315mm axle travel rear pro-link with showa damper adjustable low-speed 13-step high-speed 3.5-turn compression and 17-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 2.15 tyres front 80/10021 51m rear 110/9019 62m brakes type front 240mm hydraulic disc with dual-piston calliper and sintered metal pads rear 240mm hydraulic disc with single-piston ... | |
