Need help?Do you have a question about the Yamaha YZ 2017 Series and is the answer not in the manual?
General| Year | 2017 |
|---|---|
| Model | YZ250F |
| Engine Type | Liquid-cooled, 4-stroke, DOHC, 4-valve |
| Bore x Stroke | 77.0mm x 53.6mm |
| Compression Ratio | 13.5:1 |
| Fuel System | Fuel Injection |
| Final Drive | Chain |
| Front Brake | Hydraulic single disc brake, 270mm |
| Rear Brake | Hydraulic single disc brake, 245mm |
| Seat Height | 38.0 in |
| Fuel Capacity | 1.6 gal |
| Tire Front | 80/100-21 |
| Width | 32.5 in |
| Valves | 4 |
| Displacement | 249 cc |
| Fuel Delivery | Keihin 44mm throttle body |
| Ignition | TCI |
| Transmission | 5-speed |
| Front Suspension | KYB® spring-type fork with speed sensitive damping; 12.2-in travel |
| Rear Suspension | KYB® single shock; 12.4-in travel |
Identifies critical labels on the vehicle for safety and operation.
Provides an overview of the motorcycle's components and their locations.
Explains vehicle and engine serial number locations for identification purposes.
Lists and illustrates the tools and accessories included with the vehicle.
Details essential precautions for disassembly, cleaning, and part replacement.
Covers fundamental procedures for electrical system handling and checks.
Lists required specialized tools with part numbers and illustrations for accurate maintenance.
Explains the operation of various controls like lights, switches, levers, and pedals.
Provides instructions for starting the engine, break-in procedures, and maintenance.
Outlines major maintenance checks for the engine and chassis after the break-in period.
Lists critical torque specifications for fasteners across various vehicle components.
Offers guidance on cleaning, maintenance, and proper storage of the motorcycle.
Provides dimensions, weight, and model variations of the vehicle.
Details engine type, displacement, fuel, oil, and cooling system specifications.
Lists specifications for wheels, tires, brakes, steering, and suspension systems.
Covers system voltage, ignition, engine control unit, battery, and starter motor specifications.
Provides detailed torque values for engine and chassis fasteners.
Identifies lubrication points and specifies appropriate lubricant types for engine and chassis.
Illustrates the engine's lubrication system with diagrams and component labels.
Shows the correct routing paths for various electrical cables and hoses on the vehicle.
Schedules recommended maintenance tasks based on time or usage intervals.
Lists essential checks to perform before operating the vehicle for safety and performance.
Details checks and adjustments for engine components like coolant, oil, and throttle.
Covers periodic checks and adjustments for chassis components like brakes, drive chain, and suspension.
Describes the removal and installation of major chassis components like seat and side covers.
Explains procedures for removing, checking, disassembling, assembling, and installing the front wheel.
Details the removal, checking, disassembling, and installation of the rear wheel and sprocket.
Covers procedures for removing, disassembling, checking, and installing front brake components.
Provides steps for removing, disassembling, checking, and installing rear brake components.
Explains the removal, checking, and installation procedures for the handlebar and its controls.
Details the removal, disassembly, checking, assembly, and installation of front fork legs.
Covers the removal, checking, and installation procedures for the steering head components.
Explains handling, disposal, removal, checking, and installation of the rear shock absorber.
Details the removal, checking, and installation procedures for the swingarm and its related parts.
Explains the removal, checking, cleaning, and installation of the drive chain and sprockets.
Describes the process of removing the exhaust system, engine, and electronic parts.
Covers removal, checking, and installation procedures for the camshaft and related components.
Details the removal, checking, and installation of the cylinder head and its components.
Explains removal, checking, and installation of valves, springs, guides, and seats.
Provides procedures for removing, checking, and installing the cylinder, piston, and rings.
Covers removal, disassembly, checking, and assembly of the starter motor.
Details removal, checking, and installation procedures for clutch components.
Explains removal, checking, and installation of the shift shaft, forks, and related parts.
Covers removal, checking, and assembly procedures for the oil pump and balancer gears.
Details removal, checking, and installation procedures for the generator and starter clutch.
Explains separating, removing bearings, checking, and assembling the crankcase.
Covers removal, checking, and installation of the crankshaft and balancer shaft assemblies.
Details removal, checking, and installation procedures for the transmission, shift drum, and forks.
Covers radiator removal, handling notes, and checking procedures.
Details water pump removal, oil seal replacement, checking, and assembly.
Explains fuel tank removal, fuel pump procedures, fuel sender checks, and fuel tank installation.
Covers throttle body and injector removal, checking, and adjustments.
Provides the circuit diagram and troubleshooting guide for the ignition system.
Details the circuit diagram, operation, and troubleshooting for the electric starting system.
Includes the circuit diagram and troubleshooting steps for the charging system.
Presents the circuit diagram and troubleshooting for the signaling system, including warning lights.
Provides the circuit diagram and troubleshooting for the cooling system specifically for JPN models.
Covers the circuit diagram, ECU self-diagnostic function, and troubleshooting for the fuel injection system.
Includes the circuit diagram and troubleshooting steps for the fuel pump system.
Identifies and illustrates various electrical components and provides checking procedures.
Offers general guidance for troubleshooting and refers to specific procedures for checks and adjustments.
Lists potential causes for engine, fuel system, and electrical system starting failures.
Details potential causes for incorrect engine idling speed in the engine, fuel, and electrical systems.
Lists possible causes for poor performance at medium and high speeds related to engine, fuel, and ECU.
Refers to clutch-related issues for difficulties in shifting gears.
Identifies potential causes for a non-moving shift pedal related to the engine and transmission.
Lists engine and transmission related issues that can cause the vehicle to jump out of gear.
Details engine-related causes for clutch slippage, including assembly and oil issues.
Lists engine-related causes for clutch drag, such as spring tension, warped plates, and oil issues.
Identifies engine-related causes for overheating, including carbon buildup and oil quality.
Points to potential issues with the coolant temperature sensor for overcooling problems.
Lists chassis and electrical system causes for poor braking performance.
Identifies chassis-related causes for front fork oil leaks, including worn seals and damaged tubes.
Lists chassis-related causes for faulty front fork legs, such as bent components or incorrect oil levels.
Details chassis-related causes for unstable handling, including handlebar, steering head, and suspension issues.
Covers chassis-related tuning aspects like sprocket selection, tire pressure, and fork/suspension settings.
Describes the parts location, setup, engine starting, and maintenance for the optional kickstarter kit.
To Next Page
