2012 Honda Crf450x Dirt Bike on 2040-motos
Honda CRF tech info
Honda CRF description
2012 HONDA CRF450X, Renthal Handlebar: Aluminum Renthal handlebar (971 bend) is rubber-mounted to help reduce rider fatigue and improve comfort. Electric Starter: Electric starter drives the clutch side of the crankshaft to provide superior lubrication of starter gears and produce a narrow engine with a short, strong crankshaft. Works-Style Front Brakes: Compact twin-piston front brake caliper, anodized-aluminum brake pistons and lightweight 240mm front disc increases stopping power while minimizing unsprung weight for improved turning and handling. HRC works-type rear brake system adds a 240mm brake rotor to its integrated rear master-cylinder and fluid reservoir, a set-up that eliminates the separate reservoir and hose. Works-Style Rear Brakes: Compact twin-piston front brake caliper, anodized-aluminum brake pistons and lightweight 240mm front disc increases stopping power while minimizing unsprung weight for improved turning and handling. HRC works-type rear brake system adds a 240mm brake rotor to its integrated rear master-cylinder and fluid reservoir, a set-up that eliminates the separate reservoir and hose. 18-Inch Rear Wheel: 18-inch rear wheel features same lightweight rear hub and HRC works-type lightweight-aluminum spoke nipples as used on CRF450R. LED Taillight: LED taillight integrated into rear fender. It's light, compact, and bulletproof. Dual Radiators: Dual radiators feature a refined core area for improved heat dissipation compared with conventional dual-radiator designs. Coolant recovery tank is located in front of the engine between the frame downtubes for improved center of gravity. Coolant tank is protected by a plastic skidplate. 449cc Unicam Engine: Honda's Unicam cylinder heads combine the best of single— and double-overhead-cam designs. The configuration contributes to a compact engine that saves weight over a comparable dual-overhead-camshaft motor and also permits a narrow included valve angle. This flattens the combustion chamber to facilitate ignition flame propagation, allowing a high compression ratio. Since less space is taken up in the cylinder head, the camshaft sits lower in the head for a more compact engine and a lower center of gravity. Titanium Intake Valves: Lightweight titanium intake valves permit use of smaller valve springs, reducing overall engine height. Gear-Driven Counterbalancer: Gear-Driven Counterbalancer reduces vibration and drives the water p
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Moto blog
Stoner Tops Day One of Sepang Test – Video
Tue, 28 Feb 2012It’s been about a month since Casey Stoner last tested the Honda RC213V racebike at Malaysia’s Sepang circuit but the defending World Champion remains the man to beat, setting the fastest lap at the first day of MotoGP’s February Sepang test. Heavy rain limited teams’ testing and Stoner only completed 16 laps but still managed to set a time of 2:01.761. Stoner was the only rider to lap under 2:02, though his Repsol Honda teammate Dani Pedrosa came close with a time of 2:02.005 while completing 36 laps.
Mystic Mac's 2014 MotoGP predictions
Thu, 06 Feb 2014There is no real off season in Moto GP. Although we complain about being starved of racing, for those at the sharp end, in little more than two months they have new bikes to assemble, team staff to put in place and sponsors to nail down that will pay for it all. This time frame is also tight for riders, as it seems more every year go straight under the surgeon’s knife after the last round and spend the short winter recuperating for the season ahead. The 2014 Moto GP championship looks like a cracker as apart from the ten full factory riders we now have at least eight non factory riders with properly competitive machinery. We also have five Brits on the grid, two with podium potential. Whatever happens though (providing you have BT Sport) you can just sit back and enjoy watching the incredible Marc Marquez do things that shouldn’t be possible. Speaking of whom, I didn’t believe a Rossi replacement would come this soon. And when I say replacement, I mean a rider that is the full package. Although in some ways quite different to Vale, he’s an equally phenomenal talent plus a very likeable character that appeals to the masses and although respectful to his rivals off track, deadly competitive in the heat of battle. Being young and good looking he’s obviously a dream for sponsors and the sport in general. Marquez has evolved in his own way but thankfully into a perfect replacement for our sport when the VR steps down.
Mental Monkey video
Wed, 01 Jun 2011Words fail me. Presumably, if your pockets are deep enough to buy all the engine parts from Kitaco (how about a DOHC four-valve head?), this sort of performance is within the reach of every C90 Honda owner. All those cabbies doing their 'knowledge' would make mincemeat of London traffic with this sort of acceleration.
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