Motorcycle Segment:
High-performance motocross motorcycle.
Key Competitors:
Yamaha YZ250F, Honda CRF250R, Suzuki RM-Z250, KTM 250 SX-F.
Engine Type:
Liquid-cooled, four-stroke, single-cylinder.
Suspension Technology:
Showa SFF (Single Function Fork) front suspension and Showa BFRC (Balance Free Rear Cushion) rear shock absorber.
Fuel Delivery:
Digital fuel injection (DFI).
Frame Design:
Lightweight aluminum perimeter frame.
Engine Components:
Cylinder, piston, crankshaft, connecting rod, valves, camshaft, timing chain, oil pump.
Fuel System Components:
Fuel injection system (throttle body, injectors, fuel pump), fuel tank, fuel lines.
Cooling System Components:
Radiators, coolant hoses, water pump.
Transmission Components:
Gearbox, clutch assembly, shift drum, shift forks, sprockets, chain.
Chassis Components:
Frame, subframe, swingarm, linkage.
Suspension Components:
Front forks (showa SFF - Single Function Fork design), rear shock absorber (BFRC - Balance Free Rear Cushion type), springs, seals, bushings.
Braking System Components:
Front and rear brake calipers, master cylinders, brake discs, brake pads, brake lines.
Wheel And Tire Components:
Rims, spokes, hubs, bearings, tires.
Electrical System Components:
Ignition system, stator, flywheel, wiring harness, ECU (Engine Control Unit), battery (if applicable to model variant), starter motor (if electric start model).
Bodywork And Plastics:
Fairings, shrouds, fenders, seat, fuel tank cover.
Controls And Levers:
Handlebars, levers (clutch, brake), throttle assembly, footpegs, shifter.
Disassembly Guidance:
Provides exploded diagrams for systematic component removal.
Assembly Guidance:
Facilitates reassembly by illustrating component order and relationships.
Part Identification:
Lists all OEM part numbers for ordering replacements.
Depth Of Coverage:
Component-level identification and visualization for maintenance and repair planning.
Digital Format:
Likely a PDF or similar digital document if sold electronically.
Illustration Quality:
High-quality, clear exploded views crucial for accurate assembly/disassembly.
Binding:
N/A (if digital) / Professional binding (if printed).
Paper Quality:
N/A (if digital) / Durable paper stock recommended for shop use (if printed).
Engine Type:
Liquid-cooled, four-stroke single cylinder.
Displacement:
249 cc (15.2 cu. in.)
Bore X Stroke:
77.0 x 53.1 mm (3.0 x 2.1 in.)
Valve Train:
DOHC, 4 valves.
Compression Ratio:
12.8:1
Horsepower Estimate:
Approx. 37-39 HP (at crankshaft, varies by dyno and conditions).
Torque Estimate:
Approx. 19-20 lb-ft (at crankshaft).
Fuel Delivery System:
Digital Fuel Injection (DFI) with 43mm Keihin throttle body.
Fuel Type:
Unleaded premium gasoline (91 octane or higher recommended).
Oil Type:
SAE 10W-40 motorcycle specific, JASO MA certified (e.g., Kawasaki K-PURE SAE 10W-40, Yamalube 4, Motul 5100).
Oil Capacity With Filter:
1.0 L (1.06 US qt).
Oil Capacity Without Filter:
0.9 L (0.95 US qt).
Coolant Type:
High-quality ethylene glycol-based coolant with demineralized water (50/50 mix) (e.g., Kawasaki Coolant).
Coolant Capacity:
0.6 L (0.63 US qt).
Transmission Type:
Constant-mesh, 5-speed.
Clutch Type:
Wet, multi-disc.
Final Drive:
O-ring sealed chain.
Gear Ratios:
1st: 2.571 (36/14), 2nd: 1.941 (33/17), 3rd: 1.556 (28/18), 4th: 1.333 (24/18), 5th: 1.182 (26/22).
Sprocket Sizes:
Front: 13T, Rear: 48T (stock configuration may vary, consult manual for exact specifications).
Transmission Oil Type:
Same as engine oil (SAE 10W-40, JASO MA).
Transmission Oil Capacity:
1.0 L (1.06 US qt).
Infotainment System:
N/A (Motocross bikes do not feature infotainment systems.)
Traction Control:
N/A (Motocross bikes typically do not have traction control.)
Launch Control:
N/A (Some modern motocross bikes have this, but not typically on the 2010 KX250F.)
Connectivity Features:
N/A (No Bluetooth, Wi-Fi, or smartphone integration.)
ECU Type:
Digital Fuel Injection (DFI) control unit.
Ignition System:
Digital CDI (Capacitor Discharge Ignition).
Oil Change Interval:
Every 10-15 hours of riding, or as recommended by Kawasaki based on usage severity.
Air Filter Cleaning:
Clean after every few rides, especially in dusty conditions. Replace filter element as needed.
Spark Plug Inspection:
Inspect every 10-15 hours of riding. Replace as needed.
Chain Lubrication Adjustment:
Lubricate chain every 3-5 rides. Check and adjust tension every 5-10 hours of riding.
Valve Clearance Check:
Inspect every 20-30 hours of riding. Adjust if necessary.
Engine Oil:
SAE 10W-40, JASO MA certified.
Coolant:
50/50 mix of ethylene glycol and demineralized water.
Brake Fluid:
DOT 4 (check manual for specific recommendation).
Clutch Wear:
Clutch plates can wear out relatively quickly with aggressive riding; regular inspection and replacement are advised.
Suspension Seals:
Fork and shock seals can degrade over time, leading to leaks. Regular maintenance is key.
Fuel Injector Clogging:
Using contaminated fuel or poor quality fuel can lead to injector clogging, affecting performance.
Throttle Cable Adjustment:
Ensure proper free play in the throttle cable to prevent unintended acceleration or sluggish response.
Kawasaki Motorsport History:
Kawasaki has a long and successful history in motorcycle racing, particularly in motocross and supercross, with numerous championships.
Kx250F Development:
The KX250F has consistently evolved, focusing on engine performance, suspension technology, and chassis refinement to remain competitive in the 250cc four-stroke motocross class.
2010 Model Highlights:
The 2010 model featured the introduction of the Showa Separate Function Fork (SFF) and the Showa Balance Free Rear Cushion (BFRC) shock absorber, significant advancements in suspension technology.
Manufacturing Location:
Typically manufactured in Japan.
Model Year Awards:
The 2010 KX250F, with its advanced suspension, was generally well-received and competitive, often lauded for its handling and agility in reviews of its time.
Suspension Performance Rating:
Highly praised for its performance and adjustability.
Emissions Compliance:
Designed for closed-course competition use; not street legal and not subject to road emissions regulations.
