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Everything Dirt Bike
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Kawasaki
2012 kx250f
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<blockquote data-quote="James" data-source="post: 59971" data-attributes="member: 2"><p>[ATTACH]3930[/ATTACH]</p><p></p><p></p><p>[ATTACH]3931[/ATTACH]</p><p></p><p></p><p>[ATTACH]3933[/ATTACH]</p><p></p><p></p><p>[ATTACH]3926[/ATTACH]</p><p></p><p></p><p>[ATTACH]3927[/ATTACH]</p><p></p><p></p><p>[ATTACH]3928[/ATTACH]</p><p></p><p><strong>Optional DFI Calibration Kit</strong></p><p>[ATTACH]3929[/ATTACH]</p><p></p><p><strong>New “upstream” injector which is located closer to the airbox.</strong></p><p>[ATTACH]3932[/ATTACH]</p><p></p><p></p><p></p><p><strong>At a glance… </strong></p><p>• New dual injector Digital Fuel Injection system</p><p>• More robust high-rpm engine output extends deep into the overrev</p><p>• Revised transmission offers improved shifting action and durability</p><p>• Thicker, stronger engine components improve reliability</p><p>• Revised Showa Separate Function Fork (SFF) offers more supple initial hit, and improved action during corner entry</p><p>• Increased spring rates on front and rear suspension enhance traction and offer a more solid feel</p><p><strong></strong></p><p><strong>High-Revving, High Performance Engine </strong></p><p>• 249cc, liquid-cooled, four-stroke, four-valve, single-cylinder DOHC engine delivers hard-hitting power across the rpm range</p><p>• Improved decompressor spring action for easier starting</p><p>• New nickel plating on cylinder walls has a higher adhesion factor for increased durability</p><p>• New connecting rod has a thicker stem for improved reliability</p><p>• New more rigid crankshaft is re-balanced for better performance and higher durability</p><p>• Thicker crank web design features a balance factor on par with the factory racers for reduced engine vibration, smoother power delivery and increased performance in the mid-high rpm range</p><p>• Revised ACG stator and rotor inertia complements the changes made to the crankshaft</p><p><strong></strong></p><p><strong>Digital Fuel Injection (DFI) System </strong></p><p>• Upgraded system adds a new “upstream” injector located closer to the airbox</p><p>• All-new second injector features different body size, but same capacity as primary injector</p><p>• Added seal between air inlet port and throttle position sensor unit on the 43mm throttle body protects <strong></strong></p><p><strong></strong></p><p><strong>TPS sensor from fuel penetration</strong></p><p>• Progressive throttle linkage opens more quickly after 3/8 open position</p><p>• Simple and efficient system: No battery, fuses or relays</p><p>• Sharp and precise engine response across entire rpm range</p><p>• Offers easy engine starting</p><p>• Helps prevent engine hesitation after landing from jumps and other high-impact situations</p><p>• Optional accessory calibration Kit features new 6-pin connector type allows easy tunability</p><p>• Optional accessory FI Indicator Light allows the DFI system to communicate diagnostic information</p><p><strong></strong></p><p><strong>Bridged Box-Bottom Piston </strong></p><p>• Light and strong piston shares same design as the factory racers, with a new tin plating to optimize its interface with the new nickel plating on the cylinder wall</p><p>• Changed shape of streak finish improves lubrication and wear resistance</p><p>• Short piston pin reduces reciprocating weight</p><p><strong></strong></p><p><strong>Lightweight and Efficient Top End </strong></p><p>• Lightweight, highly rigid, titanium 31mm intake and 25mm exhaust valves reduce reciprocating weight and offer high-rpm reliability</p><p>• Ultra-light valves have extremely thin valve stems on par with those found in supersport machines; intake valves feature thick heads for increased strength</p><p>• Intake ports designed for peak performance at all rpm, especially in the high-rpm range</p><p>• Special casting method leaves the intake port surfaces extremely smooth for optimum intake efficiency across the rev range</p><p>• Silicon-coated head gasket provides excellent sealing</p><p></p><p><strong>Stainless Steel Exhaust System</strong> </p><p>• Stainless steel construction offers extra durability</p><p>• High-volume muffler assembly keeps noise levels at 94 dB while retaining power production</p><p>• Joint between pipe and muffler offers excellent sealing, while a rubber damper collar on the rear silencer mount equals serious durability</p><p><strong></strong></p><p><strong>Efficient Cooling System </strong> </p><p>• Thick and wide radiators are strong and offer excellent resistance to mud buildup while providing superb cooling performance</p><p>• Cylinder head water jacket routes coolant to the front of the cylinder head for even cooling</p><p><strong></strong></p><p><strong>Transmission and Shifting </strong> </p><p>• Shorter shift fork stroke and more smooth solid shift forks (not hollow) offer improved shifting action</p><p>• Strong, beefy crankcases feature additional material around the engine mounts to help increase long-term durability</p><p>• Clutch cable holder is integrated with the crankcase for accurate feel at the clutch lever</p><p>• Scavenge oil filter screen can be accessed without splitting the crankcases, facilitating easier maintenance</p><p><strong></strong></p><p><strong>Quick-turning Chassis </strong></p><p>• Utilizes a low-rigidity steering stem for lighter handling</p><p>• The KX250F’s slim and lightweight aluminum perimeter frame is composed of forged, extruded and cast parts</p><p>• Center of gravity and key dimensions such as swingarm pivot, output sprocket and rear axle locations designed to increase forward drive with minimal rear-end squat</p><p>• Upper engine mounts on head cover sides increase overall rigidity</p><p><strong></strong></p><p><strong>Race-oriented Suspension </strong></p><p>• Revised race-oriented suspension features heavier spring rates and revised damping settings both front and rear</p><p>• Separate Function Fork (SFF) separates springing and damping functions for less weight, better performance, less stiction and easier adjustability</p><p>• Fork features the only external spring preload adjustability in its class</p><p>• Super-hard titanium coating on the outer surface of the inner fork tubes reduces stiction and improves suspension action while also helping prevent scratches and tube damage</p><p>• Friction-reducing Kashima Coat treatment on the inside of the outer fork tubes contributes to smoother suspension action</p><p>• Wrap-around fork tube guards provide greater protection for the inner tubes</p><p>• Altered piston rod specs improve shock setting flexibility and offer better rear wheel traction</p><p>• Features Kashima Coat on the inside of the shock reservoir for reduced friction and smoother suspension action</p><p>• Rear shock features dual compression adjustability, allowing high-speed and low-speed damping to be tuned separately</p><p><strong></strong></p><p><strong>Superior Rear-wheel Traction </strong> </p><p>• Swingarm features optimum internal bracing and flex characteristics for superb cornering performance</p><p>• Alloy swingarm uses a cast front section, tapered hydroformed spars and forged chain adjusters</p><p>• Uni-Trak® rear suspension linkage system mounts the suspension arm below the swingarm, allowing more rear suspension stroke and precise tuning</p><p>• Linkage system receives upgraded tie-rod which has less rigidity for smoother suspension action and improved traction</p><p>• Linkage ratios for the Uni-Trak rear suspension match rear shock damping settings to achieve maximum rear wheel traction</p><p><strong></strong></p><p><strong>Rider Interface </strong></p><p>• Bodywork components offer the rider a slim interface, making it easy for racers to feel comfortable and go fast</p><p>• Formed using a double-injection molding process, the two-tone shrouds offer a slim design</p><p>• Side number plates also two-toned and contribute to the slim package</p><p>• Right side panel has an added passageway to help cool the silencer</p><p>• Frame is wider at the ankles to offer better grip and narrows near the bend below the seat to allow a slim riding position</p><p>• Slim seat features upgraded polyurethane, designed for greater durability</p><p>• Seat has a slip-resistant top and side surface for good grip when seated and while standing</p><p>• 50mm wide (front-to-rear) footpegs offer superb grip and feel at the pegs</p><p>• Clutch cable boot features a large quick adjuster, making it easy for riders to adjust play in the clutch cable while on the fly</p><p>• Throttle grip has a one-piece collar that provides additional stability during throttle operation</p><p>• Lightweight short-length grips feature a pattern designed to provide excellent grip</p><p><strong></strong></p><p><strong>Factory-style Components </strong></p><p>• Black alumite-coated rims, just like the factory racers</p><p>• Titanium coated inner fork tubes to minimize stiction</p><p>• Lightweight rims offer maximum strength and weight savings</p><p>• Thick and rigid front fender</p><p>• Rear brake pad material offers powerful braking performance</p><p>• Front and rear petal brake discs help reduce unsprung weight, and the wave shape helps clean the brake pads for more efficient stopping performance</p><p>• Rear caliper guard protects caliper from damage</p><p>• Ribless rear hub and butted spokes further reduce unsprung weight</p><p>• Renthal aluminum handlebar is standard equipment</p><p>• Blue ignition cover plugs and oil filler cap match the blue accents on the factory race bikes</p><p>• Factory-style graphics complement the KX250F’s highly tuned performance</p><p><strong></strong></p><p><strong>Additional Features </strong></p><p>• New countershaft sprocket cover improves look</p><p>• New polyurethane resin drive chain roller reduces weight</p><p>• Redesigned air boot allows room for second fuel injector</p><p>• Large resin skid plate offers great protection with minimum weight</p><p><strong></strong></p><p><strong>Optional Accessories </strong> </p><p>• Optional DFI Calibration Kit allows custom tuning</p><p>• Optional FI Indicator Light allows the DFI system to communicate diagnostic information</p><p>• Optional engine parts include magneto rotors with different inertias and a 12-tooth output sprocket</p><p>• Optional chassis parts include handlebar holder for a 1 1/8-inch handlebar</p><p>• 46 to 50-tooth aluminum and steel rear sprockets, solid petal brake rotors, different fork and shock springs and manual decompression lever and cable</p></blockquote><p></p>
[QUOTE="James, post: 59971, member: 2"] [ATTACH]3930.vB[/ATTACH] [ATTACH]3931.vB[/ATTACH] [ATTACH]3933.vB[/ATTACH] [ATTACH]3926.vB[/ATTACH] [ATTACH]3927.vB[/ATTACH] [ATTACH]3928.vB[/ATTACH] [B]Optional DFI Calibration Kit[/B] [ATTACH]3929.vB[/ATTACH] [B]New “upstream” injector which is located closer to the airbox.[/B] [ATTACH]3932.vB[/ATTACH] [B]At a glance… [/B] • New dual injector Digital Fuel Injection system • More robust high-rpm engine output extends deep into the overrev • Revised transmission offers improved shifting action and durability • Thicker, stronger engine components improve reliability • Revised Showa Separate Function Fork (SFF) offers more supple initial hit, and improved action during corner entry • Increased spring rates on front and rear suspension enhance traction and offer a more solid feel [B] High-Revving, High Performance Engine [/B] • 249cc, liquid-cooled, four-stroke, four-valve, single-cylinder DOHC engine delivers hard-hitting power across the rpm range • Improved decompressor spring action for easier starting • New nickel plating on cylinder walls has a higher adhesion factor for increased durability • New connecting rod has a thicker stem for improved reliability • New more rigid crankshaft is re-balanced for better performance and higher durability • Thicker crank web design features a balance factor on par with the factory racers for reduced engine vibration, smoother power delivery and increased performance in the mid-high rpm range • Revised ACG stator and rotor inertia complements the changes made to the crankshaft [B] Digital Fuel Injection (DFI) System [/B] • Upgraded system adds a new “upstream” injector located closer to the airbox • All-new second injector features different body size, but same capacity as primary injector • Added seal between air inlet port and throttle position sensor unit on the 43mm throttle body protects [B] TPS sensor from fuel penetration[/B] • Progressive throttle linkage opens more quickly after 3/8 open position • Simple and efficient system: No battery, fuses or relays • Sharp and precise engine response across entire rpm range • Offers easy engine starting • Helps prevent engine hesitation after landing from jumps and other high-impact situations • Optional accessory calibration Kit features new 6-pin connector type allows easy tunability • Optional accessory FI Indicator Light allows the DFI system to communicate diagnostic information [B] Bridged Box-Bottom Piston [/B] • Light and strong piston shares same design as the factory racers, with a new tin plating to optimize its interface with the new nickel plating on the cylinder wall • Changed shape of streak finish improves lubrication and wear resistance • Short piston pin reduces reciprocating weight [B] Lightweight and Efficient Top End [/B] • Lightweight, highly rigid, titanium 31mm intake and 25mm exhaust valves reduce reciprocating weight and offer high-rpm reliability • Ultra-light valves have extremely thin valve stems on par with those found in supersport machines; intake valves feature thick heads for increased strength • Intake ports designed for peak performance at all rpm, especially in the high-rpm range • Special casting method leaves the intake port surfaces extremely smooth for optimum intake efficiency across the rev range • Silicon-coated head gasket provides excellent sealing [B]Stainless Steel Exhaust System[/B] • Stainless steel construction offers extra durability • High-volume muffler assembly keeps noise levels at 94 dB while retaining power production • Joint between pipe and muffler offers excellent sealing, while a rubber damper collar on the rear silencer mount equals serious durability [B] Efficient Cooling System [/B] • Thick and wide radiators are strong and offer excellent resistance to mud buildup while providing superb cooling performance • Cylinder head water jacket routes coolant to the front of the cylinder head for even cooling [B] Transmission and Shifting [/B] • Shorter shift fork stroke and more smooth solid shift forks (not hollow) offer improved shifting action • Strong, beefy crankcases feature additional material around the engine mounts to help increase long-term durability • Clutch cable holder is integrated with the crankcase for accurate feel at the clutch lever • Scavenge oil filter screen can be accessed without splitting the crankcases, facilitating easier maintenance [B] Quick-turning Chassis [/B] • Utilizes a low-rigidity steering stem for lighter handling • The KX250F’s slim and lightweight aluminum perimeter frame is composed of forged, extruded and cast parts • Center of gravity and key dimensions such as swingarm pivot, output sprocket and rear axle locations designed to increase forward drive with minimal rear-end squat • Upper engine mounts on head cover sides increase overall rigidity [B] Race-oriented Suspension [/B] • Revised race-oriented suspension features heavier spring rates and revised damping settings both front and rear • Separate Function Fork (SFF) separates springing and damping functions for less weight, better performance, less stiction and easier adjustability • Fork features the only external spring preload adjustability in its class • Super-hard titanium coating on the outer surface of the inner fork tubes reduces stiction and improves suspension action while also helping prevent scratches and tube damage • Friction-reducing Kashima Coat treatment on the inside of the outer fork tubes contributes to smoother suspension action • Wrap-around fork tube guards provide greater protection for the inner tubes • Altered piston rod specs improve shock setting flexibility and offer better rear wheel traction • Features Kashima Coat on the inside of the shock reservoir for reduced friction and smoother suspension action • Rear shock features dual compression adjustability, allowing high-speed and low-speed damping to be tuned separately [B] Superior Rear-wheel Traction [/B] • Swingarm features optimum internal bracing and flex characteristics for superb cornering performance • Alloy swingarm uses a cast front section, tapered hydroformed spars and forged chain adjusters • Uni-Trak® rear suspension linkage system mounts the suspension arm below the swingarm, allowing more rear suspension stroke and precise tuning • Linkage system receives upgraded tie-rod which has less rigidity for smoother suspension action and improved traction • Linkage ratios for the Uni-Trak rear suspension match rear shock damping settings to achieve maximum rear wheel traction [B] Rider Interface [/B] • Bodywork components offer the rider a slim interface, making it easy for racers to feel comfortable and go fast • Formed using a double-injection molding process, the two-tone shrouds offer a slim design • Side number plates also two-toned and contribute to the slim package • Right side panel has an added passageway to help cool the silencer • Frame is wider at the ankles to offer better grip and narrows near the bend below the seat to allow a slim riding position • Slim seat features upgraded polyurethane, designed for greater durability • Seat has a slip-resistant top and side surface for good grip when seated and while standing • 50mm wide (front-to-rear) footpegs offer superb grip and feel at the pegs • Clutch cable boot features a large quick adjuster, making it easy for riders to adjust play in the clutch cable while on the fly • Throttle grip has a one-piece collar that provides additional stability during throttle operation • Lightweight short-length grips feature a pattern designed to provide excellent grip [B] Factory-style Components [/B] • Black alumite-coated rims, just like the factory racers • Titanium coated inner fork tubes to minimize stiction • Lightweight rims offer maximum strength and weight savings • Thick and rigid front fender • Rear brake pad material offers powerful braking performance • Front and rear petal brake discs help reduce unsprung weight, and the wave shape helps clean the brake pads for more efficient stopping performance • Rear caliper guard protects caliper from damage • Ribless rear hub and butted spokes further reduce unsprung weight • Renthal aluminum handlebar is standard equipment • Blue ignition cover plugs and oil filler cap match the blue accents on the factory race bikes • Factory-style graphics complement the KX250F’s highly tuned performance [B] Additional Features [/B] • New countershaft sprocket cover improves look • New polyurethane resin drive chain roller reduces weight • Redesigned air boot allows room for second fuel injector • Large resin skid plate offers great protection with minimum weight [B] Optional Accessories [/B] • Optional DFI Calibration Kit allows custom tuning • Optional FI Indicator Light allows the DFI system to communicate diagnostic information • Optional engine parts include magneto rotors with different inertias and a 12-tooth output sprocket • Optional chassis parts include handlebar holder for a 1 1/8-inch handlebar • 46 to 50-tooth aluminum and steel rear sprockets, solid petal brake rotors, different fork and shock springs and manual decompression lever and cable [/QUOTE]
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