Honda CRF 150RB - User Manual

Your CRF can provide many years of pleasure...read this manual carefully.

Your child's safety is very important to Honda... teach them about safe riding.

Installing non-Honda accessories... may change or decrease your CRF's handling, stability, and braking.

Read this label carefully and don't remove it... information about the location of safety labels.

This section presents the location of the basic controls on your CRF.

Before each ride, it's important to make sure you and your CRF are both ready to ride.

Competitive riding can be tough on a motorcycle... check the following items.

Check the following before each ride: Engine, oil level, air cleaner, spark plug, tires, brakes, chain, etc.

Before riding your CRF for the first time, review the Important Safety Precautions.

Always follow the proper starting procedure described below.

Normal Engine Stop: Shift transmission into neutral, turn fuel valve OFF.

Improper shifting may damage the engine, transmission, and drive train.

Help assure your CRF's future reliability and performance by paying extra attention to how you ride.

Keeping your CRF well-maintained is absolutely essential to your safety.

The Maintenance Schedule lists items that can be performed with basic mechanical skills and hand tools.

When tightening bolts, nuts or screws, start with the larger diameter or inner fasteners.

Between Heats & Practice Maintenance: Clean accumulated dirt from under the fenders and of the wheels.

Clean, inspect and lubricate all suspension components...

Refer to the Shop Manual for service/maintenance.

Contamination will affect performance.

Periodically clean and regrease the steering head bearings.

Tighten the specified torque.

Always check air pressure when your tyres are cold.

This section shows the location of major maintenance components.

Remove the seat mounting bolts (1).

Turn the fuel valve OFF.

Remove the muffler.

Fuel Recommendation: Use unleaded fuel because it produces fewer engine deposits.

Using the proper oil, and regularly checking, adding, and changing oil will help extend the service life.

Using the proper oil, and regularly checking, adding, and changing oil will help extend the service life.

Your CRF's liquid cooling system dissipates engine heat.

The air cleaner uses polyurethane inner and outer pieces which can't be separated.

Service more frequently if your CRF is ridden in the rain or often at full throttle.

Throttle Freeplay: Check throttle freeplay.

Idle Speed Adjustment: Adjusting the idle will not compensate for a fault.

Clutch Lever Freeplay: Check clutch lever freeplay.

Hot Start Lever Freeplay: Check freeplay: 2-3 mm (0.08-0.12 in).

Spark Plug Recommendation: The standard spark plug is satisfactory for most racing conditions.

Excessive valve clearance will cause noise and eventual engine damage.

Cylinder Head Cover Removal.

Front Suspension Inspection.

Recommended Fork Oil: viscosity (weight) 5W.

Front Brake Lever Adjustment.

Spilled brake fluid will severely damage instrument lenses and painted surfaces.

Maintenance of spoke tension and wheel trueness is critical to safe motorcycle operation.

The service life of the drive chain depends on proper lubrication and adjustment.

Check the mounting bolts and joint nuts for tightness.

Steering Head Bearings Inspection.

Frequent cleaning and polishing will keep your Honda looking newer longer.

The front suspension can be adjusted for the rider's weight and riding conditions.

Optional springs are available for softer and stiffer types than the standard range.

The rear suspension can be adjusted for rider's weight and riding conditions.

Setting the proper race sag (ride height) is very important for competition.

You may want a bit stiffer front suspension for sand tracks to help keep the front end up.

Follow the procedures described below to accurately adjust your CRF.

The carburetor used on your CRF should perform suitably with the standard recommended settings.

The following suggestions may improve your ride.

You can adjust the power delivery of the engine to suit different riding conditions.

These following suggestions may make your ride both more comfortable and more responsive to your input.

If you use a truck or motorcycle trailer to transport your Honda, we recommend that you follow these steps.

If you won't be riding for an extended period, such as during the winter, thoroughly inspect and protect your Honda.

Completely clean all parts of your CRF.

Owning and riding a motorcycle can be enjoyable, but you must do your part to protect nature.

The items that are serviceable using this Manual are followed by the page number reference.

The VIN and engine serial number are required when you register your CRF.

This section contains dimensions, capacities, and other technical data.

Check and tighten nuts, bolts, and fasteners before every outing.

There are two types of alcohol. One contains ethanol.

Your logbook can also tell you when your CRF was maintained.

There are numerous spare parts you can take to an event.

This section shows the wiring diagram for the motorcycle.