Did You Know?

• The piston wrist pin should be replaced after 6 races or 15 hours of use.
• The fork oil in the damper chamber should be changed every 9 races or 22.5 hours of use.
• The transmission and engine have separate oil compartments.
• Not Properly maintaining a modern four-stroke can create an extremely expensive repair bill.

The Cyclepedia.com Honda CRF250R online motorcycle service manual features detailed full-color photographs and color wiring diagrams, complete specifications with step-by-step procedures performed and written by a veteran Honda dealer trained motorcycle technician.

This manual covers 2010, 2011, 2012 and 2013 Honda CRF250R motocross bikes.

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Quick Reference

Specifications
Torque Specs
VIN and Engine Number

Periodic Maintenance

Periodic Maintenance Chart
Air Filter Servicing
Brake Fluid
Brake Inspection
Clutch Cable Adjustment
Compression Check
Cooling System Inspection
Crankcase Breather
Drive Chain Adjustment
Engine Idle Speed
Engine Oil
Fuel Line
Spark Plug
Steering Head Inspection
Suspension Inspection
Throttle Free Play
Tires
Transmission Oil
Valve Clearance

External Components

Drive Chain Guard
Engine Guard
Exhaust System
Footpegs
Front Fender
Front Number Plate
Fuel Tank
Handlebars
Radiator Shrouds
Rear Fender
Seat
Side Covers
Sub Frame

Cooling System

Coolant
Radiator / Radiator Cap
Water Pump

Fuel System

Airbox
Fuel Injector
Fuel Pump
Throttle Body
Troubleshooting
FI System Self-Diagnostics
Fuel Injection DTC Tables (Fault Codes)
DTC Troubleshooting

Engine

Right Side Engine Components
Cylinder Head Cover
Camshaft
Cylinder Head
Piston and Cylinder
Valves
Valve Lapping
Valve Guide Replacement
Clutch Installation
Clutch Removal
Crankcase Assembly
Crankcase Bearings
Crankcase Splitting
Crankshaft and Rod
Engine Removal
Engine Installation
Gearshift
Left Side Engine Components
Oil Pump
Primary Drive Gear
Transmission Shafts
Transmission

Final Drive

Chain Guide And Rollers
Drive Chain
Engine Sprocket/Counter Shaft Seal
Rear Wheel Sprocket

Steering

Steering Bearing Service
Steering Damper

Front Suspension

Fork Assembly
Fork Disassembly
Front Fork Removal and Installation

Rear Suspension

Shock Absorber Removal/Installation
Shock Absorber Service
Suspension Linkage
Swing Arm

Front Brake

Front Brake Caliper
Front Brake Master Cylinder
Front Brake Rotor

Rear Brake

Rear Brake Caliper
Rear Brake Master Cylinder
Rear Brake Rotor

Wheels

Bearing Replacement
Front Wheel
Rear Wheel

Electrical Systems

Alternator
Condenser
ECM
Ignition System
Sensors
Wiring Diagrams